Journal of hazardous materials advances最新文献_第5页

Integrative data-driven analytics for assessing ecological and human health risks of soil heavy metal contamination

IF 5.4 Q2 ENGINEERING, ENVIRONMENTAL

Journal of hazardous materials advances

Pub Date : 2025-02-01 DOI: 10.1016/j.hazadv.2025.100596

Ujala Ejaz , Shujaul Mulk Khan , Shah Fahad Ali Shah , Noreen Khalid , Sadia Jehangir , Zarrin Fatima Rizvi , Jens-Christian Svenning

Heavy Metals (HM) in soil pose a serious threat to environmental and public health, particularly in regions with extensive human activities. This study provides a comprehensive approach to evaluate the ecological and human health risks associated with eight key HM: copper (Cu), lead (Pb), nickel (Ni), chromium (Cr), zinc (Zn), cadmium (Cd), arsenic (As), and mercury (Hg). By utilizing advanced self-organizing maps (SOMs), this study identifies complex spatial patterns of HM contamination, pinpointing critical areas for targeted management interventions. The potential ecological risk index (PERI) highlights risks ranging from moderate to very high, with Cd, Pb, and Cr identified as the key contributors to ecological hazards due to their acute toxicity and extensive distribution. In addition, Monte Carlo simulations offer a comprehensive analysis of human health impacts, revealing significantly elevated non-carcinogenic and carcinogenic risks, particularly for children. The hazard indices (HI) and total cancer risk (TCR) values for Pb and As frequently exceed safety thresholds, indicating the need for protective measures for vulnerable groups. Structural equation modeling (SEM) further indicates that anthropogenic pressure and industrial activity significantly elevated soil concentrations of Cu and Cr, whereas agricultural activity was associated with increased Zn levels. By integrating advanced risk assessment methods, this study provided a practical, adaptable model for managing soil contamination risks, equipping policymakers and environmental managers with actionable insights to address the challenges of HM pollution and safeguard both ecosystems and public health.

{"title":"Integrative data-driven analytics for assessing ecological and human health risks of soil heavy metal contamination","authors":"Ujala Ejaz , Shujaul Mulk Khan , Shah Fahad Ali Shah , Noreen Khalid , Sadia Jehangir , Zarrin Fatima Rizvi , Jens-Christian Svenning","doi":"10.1016/j.hazadv.2025.100596","DOIUrl":"10.1016/j.hazadv.2025.100596","url":null,"abstract":"<div><div>Heavy Metals (HM) in soil pose a serious threat to environmental and public health, particularly in regions with extensive human activities. This study provides a comprehensive approach to evaluate the ecological and human health risks associated with eight key HM: copper (Cu), lead (Pb), nickel (Ni), chromium (Cr), zinc (Zn), cadmium (Cd), arsenic (As), and mercury (Hg). By utilizing advanced self-organizing maps (SOMs), this study identifies complex spatial patterns of HM contamination, pinpointing critical areas for targeted management interventions. The potential ecological risk index (PERI) highlights risks ranging from moderate to very high, with Cd, Pb, and Cr identified as the key contributors to ecological hazards due to their acute toxicity and extensive distribution. In addition, Monte Carlo simulations offer a comprehensive analysis of human health impacts, revealing significantly elevated non-carcinogenic and carcinogenic risks, particularly for children. The hazard indices (HI) and total cancer risk (TCR) values for Pb and As frequently exceed safety thresholds, indicating the need for protective measures for vulnerable groups. Structural equation modeling (SEM) further indicates that anthropogenic pressure and industrial activity significantly elevated soil concentrations of Cu and Cr, whereas agricultural activity was associated with increased Zn levels. By integrating advanced risk assessment methods, this study provided a practical, adaptable model for managing soil contamination risks, equipping policymakers and environmental managers with actionable insights to address the challenges of HM pollution and safeguard both ecosystems and public health.</div></div>","PeriodicalId":73763,"journal":{"name":"Journal of hazardous materials advances","volume":"17 ","pages":"Article 100596"},"PeriodicalIF":5.4,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143177328","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Seasonality of environmental health risks and soil pollution from an unsanitary landfill in Nigeria: Implications for water security, agriculture, and climate adaptation

IF 5.4 Q2 ENGINEERING, ENVIRONMENTAL

Journal of hazardous materials advances

Pub Date : 2025-02-01 DOI: 10.1016/j.hazadv.2025.100597

C.C. Aralu , P.A.C. Okoye , V.C. Eze , H.O. Abugu , S.I. Abba , J.C. Egbueri

The increasing global waste crisis, coupled with inadequate landfill management in developing regions, poses significant environmental and public health risks, especially in areas with seasonal climate variations. While previous studies examined landfill contamination, limited research has investigated the seasonal dynamics of soil-environmental health risks and their implications for regional development and climate resilience. This study adopted a multi-parameter approach to assess the seasonal variations in contamination patterns and their impacts on environmental and human health, water security, and agricultural sustainability in Awka, Nigeria. It examined the implications of pollution from an unsanitary landfill, revealing substantial seasonal variations in soil contamination patterns. Analyses of potentially toxic elements (PTEs) showed that cadmium levels (1.23–4.42 ppm) exceeded WHO criteria, with higher levels reported in the wet season compared to the dry season. The pollution load indices indicated moderate to heavy pollution in study samples (1.69–2.54) and moderate pollution in control samples (1.06–1.69). Health risk assessments revealed high cancer risks for children through ingestion pathways (HI > 10^–4), while adults had lower risks (HI ∼ 10^–5). The research unveiled critical implications for regional water security, agricultural productivity, sustainable landfill construction, and climate adaptation strategies. It also demonstrated that leachate migration patterns intensified during wet seasons, threatening groundwater resources. The findings illuminated the interconnections between waste management practices and climate resilience while providing a practical framework for assessing the seasonal variations in environmental health risks. The evidence-based recommendations for sustainable landfill management hinted on the need for seasonal monitoring and climate-adaptive waste management strategies in similar geological/environmental settings.

{"title":"Seasonality of environmental health risks and soil pollution from an unsanitary landfill in Nigeria: Implications for water security, agriculture, and climate adaptation","authors":"C.C. Aralu , P.A.C. Okoye , V.C. Eze , H.O. Abugu , S.I. Abba , J.C. Egbueri","doi":"10.1016/j.hazadv.2025.100597","DOIUrl":"10.1016/j.hazadv.2025.100597","url":null,"abstract":"<div><div>The increasing global waste crisis, coupled with inadequate landfill management in developing regions, poses significant environmental and public health risks, especially in areas with seasonal climate variations. While previous studies examined landfill contamination, limited research has investigated the seasonal dynamics of soil-environmental health risks and their implications for regional development and climate resilience. This study adopted a multi-parameter approach to assess the seasonal variations in contamination patterns and their impacts on environmental and human health, water security, and agricultural sustainability in Awka, Nigeria. It examined the implications of pollution from an unsanitary landfill, revealing substantial seasonal variations in soil contamination patterns. Analyses of potentially toxic elements (PTEs) showed that cadmium levels (1.23–4.42 ppm) exceeded WHO criteria, with higher levels reported in the wet season compared to the dry season. The pollution load indices indicated moderate to heavy pollution in study samples (1.69–2.54) and moderate pollution in control samples (1.06–1.69). Health risk assessments revealed high cancer risks for children through ingestion pathways (HI > 10<sup>–4</sup>), while adults had lower risks (HI ∼ 10<sup>–5</sup>). The research unveiled critical implications for regional water security, agricultural productivity, sustainable landfill construction, and climate adaptation strategies. It also demonstrated that leachate migration patterns intensified during wet seasons, threatening groundwater resources. The findings illuminated the interconnections between waste management practices and climate resilience while providing a practical framework for assessing the seasonal variations in environmental health risks. The evidence-based recommendations for sustainable landfill management hinted on the need for seasonal monitoring and climate-adaptive waste management strategies in similar geological/environmental settings.</div></div>","PeriodicalId":73763,"journal":{"name":"Journal of hazardous materials advances","volume":"17 ","pages":"Article 100597"},"PeriodicalIF":5.4,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143177329","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Spatio-temporal variations of air pollutants and human health exposure impacts during 2023 haze through respiratory deposition analysis in Delhi-NCR, India

IF 5.4 Q2 ENGINEERING, ENVIRONMENTAL

Journal of hazardous materials advances

Pub Date : 2025-02-01 DOI: 10.1016/j.hazadv.2024.100575

Mudit Yadav , Sailesh N. Behera , Raghu Betha

This study investigated the impacts of the 2023 haze episode on air quality and respiratory health in the Delhi-National Capital Region (Delhi-NCR), India. Monitoring data for PM_2.5, PM₁₀, NO₂, NH₃, SO₂, O₃, and CO were collected at four representative sites (Delhi, Gurugram, Greater Noida, and Ghaziabad) and analyzed for spatiotemporal variations. Fire hotspot analysis, meteorological data, and backward trajectory analysis modeling revealed the elevated pollution levels during the haze episode were attributable to increased local emissions coupled with the transport of pollutants from biomass burning in neighboring states. To assess health risks, the International Commission on Radiological Protection (ICRP) modeling was used to estimate respiratory deposition dose (RDD) of PM_2.5 and PM₁₀ in the head airway (HA), tracheobronchial (TB), and alveolar (AL) regions for both males and females under three modes of metabolic activities of seated, walking and exercise. The results indicated a substantial increase in the total RDD (sum of HA, TB, and AL regions) across all sites, genders, and activity levels. For instance, PM_2.5 RDD in Delhi increased from 1.03 to 2.44 µg/min during the haze period for males under seated activity and from 0.72 to 1.69 µg/min for females. Overall, the study estimated a 130 % increase in health risk during the haze period across all activity levels and genders.

{"title":"Spatio-temporal variations of air pollutants and human health exposure impacts during 2023 haze through respiratory deposition analysis in Delhi-NCR, India","authors":"Mudit Yadav , Sailesh N. Behera , Raghu Betha","doi":"10.1016/j.hazadv.2024.100575","DOIUrl":"10.1016/j.hazadv.2024.100575","url":null,"abstract":"<div><div>This study investigated the impacts of the 2023 haze episode on air quality and respiratory health in the Delhi-National Capital Region (Delhi-NCR), India. Monitoring data for PM<sub>2.5</sub>, PM<sub>10</sub>, NO<sub>2</sub>, NH<sub>3</sub>, SO<sub>2</sub>, O<sub>3</sub>, and CO were collected at four representative sites (Delhi, Gurugram, Greater Noida, and Ghaziabad) and analyzed for spatiotemporal variations. Fire hotspot analysis, meteorological data, and backward trajectory analysis modeling revealed the elevated pollution levels during the haze episode were attributable to increased local emissions coupled with the transport of pollutants from biomass burning in neighboring states. To assess health risks, the International Commission on Radiological Protection (ICRP) modeling was used to estimate respiratory deposition dose (RDD) of PM<sub>2.5</sub> and PM<sub>10</sub> in the head airway (HA), tracheobronchial (TB), and alveolar (AL) regions for both males and females under three modes of metabolic activities of seated, walking and exercise. The results indicated a substantial increase in the total RDD (sum of HA, TB, and AL regions) across all sites, genders, and activity levels. For instance, PM<sub>2.5</sub> RDD in Delhi increased from 1.03 to 2.44 µg/min during the haze period for males under seated activity and from 0.72 to 1.69 µg/min for females. Overall, the study estimated a 130 % increase in health risk during the haze period across all activity levels and genders.</div></div>","PeriodicalId":73763,"journal":{"name":"Journal of hazardous materials advances","volume":"17 ","pages":"Article 100575"},"PeriodicalIF":5.4,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143177646","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Experimental investigation to analyze the electromagnetic radiation exposure from wireless communication devices

IF 5.4 Q2 ENGINEERING, ENVIRONMENTAL

Journal of hazardous materials advances

Pub Date : 2025-02-01 DOI: 10.1016/j.hazadv.2024.100548

Meenu L. , Aiswarya S. , K.A. Unnikrishna Menon , Sreedevi K. Menon

Recent advancements in wireless communication technologies have led to the existence of a higher amount of electromagnetic radiation (EMR) in the atmosphere. The intensity of these exposed radiation depends upon the frequency of operation from these communication devices. The paper presents a scientific study on assessing the intensity of electromagnetic waves emitted by different wireless communication devices with human beings based on analyzing the electric field, magnetic field and power density generated from various electronic gadgets and wireless communication devices like smartwatch, laptop, mobile phone, nano-station, headset and mobile towers using an electro-smog meter (Electromagnetic Field (EMF) Meter - PCE-EM 29). The interaction is being studied by placing different wireless communication equipment near to human body. Based on the study, it is identified that a portion of the EMR is absorbed by nearby human beings and is identified by differentiating the field characteristics with and without its presence and is tested in near or far away from the devices. From the test results, it is identified that a portion of the EMR is absorbed by the body parts of the human beings near to the wireless device. This result could act as scientific evidence providing the effects of EMR interactions like electromagnetic hypersensitivity symptoms on humans. Similarly, most of the field exposures from the radiating devices are highly influenced by all the biotic community including human beings based on its interaction. All these field exposures to radiation from various wireless communication devices are direct indications of the Specific Absorption Rate (SAR).

{"title":"Experimental investigation to analyze the electromagnetic radiation exposure from wireless communication devices","authors":"Meenu L. , Aiswarya S. , K.A. Unnikrishna Menon , Sreedevi K. Menon","doi":"10.1016/j.hazadv.2024.100548","DOIUrl":"10.1016/j.hazadv.2024.100548","url":null,"abstract":"<div><div>Recent advancements in wireless communication technologies have led to the existence of a higher amount of electromagnetic radiation (EMR) in the atmosphere. The intensity of these exposed radiation depends upon the frequency of operation from these communication devices. The paper presents a scientific study on assessing the intensity of electromagnetic waves emitted by different wireless communication devices with human beings based on analyzing the electric field, magnetic field and power density generated from various electronic gadgets and wireless communication devices like smartwatch, laptop, mobile phone, nano-station, headset and mobile towers using an electro-smog meter (Electromagnetic Field (EMF) Meter - PCE-EM 29). The interaction is being studied by placing different wireless communication equipment near to human body. Based on the study, it is identified that a portion of the EMR is absorbed by nearby human beings and is identified by differentiating the field characteristics with and without its presence and is tested in near or far away from the devices. From the test results, it is identified that a portion of the EMR is absorbed by the body parts of the human beings near to the wireless device. This result could act as scientific evidence providing the effects of EMR interactions like electromagnetic hypersensitivity symptoms on humans. Similarly, most of the field exposures from the radiating devices are highly influenced by all the biotic community including human beings based on its interaction. All these field exposures to radiation from various wireless communication devices are direct indications of the Specific Absorption Rate (SAR).</div></div>","PeriodicalId":73763,"journal":{"name":"Journal of hazardous materials advances","volume":"17 ","pages":"Article 100548"},"PeriodicalIF":5.4,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143177663","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Mitigating heavy metal pollution in agriculture: A multi-omics and nanotechnology approach to safeguard global wheat production

IF 5.4 Q2 ENGINEERING, ENVIRONMENTAL

Journal of hazardous materials advances

Pub Date : 2025-02-01 DOI: 10.1016/j.hazadv.2024.100584

Muhammad Anas , Waseem Ahmed Khattak , Shah Fahad , Nasser Alrawiq , Huda Salem Alrawiq , Nader R. Abdelsalam , Mariusz Jaremko , Umar Masood Quraishi

The escalating issue of heavy metal (HM) contamination in agricultural soils presents an urgent challenge to the sustainability of wheat (Triticum aestivum L.) production. This review underscores the critical need for innovative approaches to ensure food security while mitigating environmental degradation. The integration of nano and quantum technologies with multi-omics frameworks emerges as a groundbreaking solution to this pressing issue. HMs like Cd, As, and Pb severely impair plant physiology, leading to diminished yields and compromised grain quality. Nanoparticles such as ZnO, TiO₂, and MnO₂, along with quantum dots, have shown substantial promise in bolstering wheat's natural defense systems, enhancing both enzymatic and non-enzymatic antioxidant pathways, and reducing metal uptake through targeted detoxification mechanisms. By leveraging advanced omics technologies—transcriptomics, ionomics, proteomics, and metabolomics—researchers can unravel key molecular pathways and biomarkers, offering precision-guided interventions for metal stress management. Furthermore, future innovations like genome-editing technologies such as clustered regularly interspaced short palindromic repeats (CRISPR) and transgenic techniques hold the potential to create wheat varieties inherently more resilient to environmental contaminants.. The review highlights the necessity of long-term field trials and the exploration of under-researched metals and nanoparticles to bring these promising laboratory findings to real-world application. These combined strategies not only contribute to sustainable agriculture but also provide a viable path toward reducing the ecological footprint of HM contamination, thereby safeguarding global food security.

{"title":"Mitigating heavy metal pollution in agriculture: A multi-omics and nanotechnology approach to safeguard global wheat production","authors":"Muhammad Anas , Waseem Ahmed Khattak , Shah Fahad , Nasser Alrawiq , Huda Salem Alrawiq , Nader R. Abdelsalam , Mariusz Jaremko , Umar Masood Quraishi","doi":"10.1016/j.hazadv.2024.100584","DOIUrl":"10.1016/j.hazadv.2024.100584","url":null,"abstract":"<div><div>The escalating issue of heavy metal (HM) contamination in agricultural soils presents an urgent challenge to the sustainability of wheat (<em>Triticum aestivum</em> L.) production. This review underscores the critical need for innovative approaches to ensure food security while mitigating environmental degradation. The integration of nano and quantum technologies with multi-omics frameworks emerges as a groundbreaking solution to this pressing issue. HMs like Cd, As, and Pb severely impair plant physiology, leading to diminished yields and compromised grain quality. Nanoparticles such as ZnO, TiO₂, and MnO₂, along with quantum dots, have shown substantial promise in bolstering wheat's natural defense systems, enhancing both enzymatic and non-enzymatic antioxidant pathways, and reducing metal uptake through targeted detoxification mechanisms. By leveraging advanced omics technologies—transcriptomics, ionomics, proteomics, and metabolomics—researchers can unravel key molecular pathways and biomarkers, offering precision-guided interventions for metal stress management. Furthermore, future innovations like genome-editing technologies such as clustered regularly interspaced short palindromic repeats (CRISPR) and transgenic techniques hold the potential to create wheat varieties inherently more resilient to environmental contaminants.. The review highlights the necessity of long-term field trials and the exploration of under-researched metals and nanoparticles to bring these promising laboratory findings to real-world application. These combined strategies not only contribute to sustainable agriculture but also provide a viable path toward reducing the ecological footprint of HM contamination, thereby safeguarding global food security.</div></div>","PeriodicalId":73763,"journal":{"name":"Journal of hazardous materials advances","volume":"17 ","pages":"Article 100584"},"PeriodicalIF":5.4,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143177648","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Development of hybrid zinc tannate material for toxic cationic brilliant green dye removal from wastewater

IF 5.4 Q2 ENGINEERING, ENVIRONMENTAL

Journal of hazardous materials advances

Pub Date : 2025-02-01 DOI: 10.1016/j.hazadv.2024.100569

Harshit Gupta , Sachin Yadav , Nahar Singh

The versatility in designing hybrid materials allows for tailored properties to meet specific needs, leading to innovative solutions and advancements in various technological fields. The present study introduces Zinc tannate (ZnTA) as a cost-effective, environmentally friendly, and highly effective hybrid material for the removal of the toxic dye Brilliant Green (BG) from wastewater. ZnTA is synthesized via a simple and straightforward wet chemical route. Batch adsorption tests under optimal conditions, such as an adsorbent dose of 25.5 mg/20.0 mL at pH 6.0 with a contact time of 7.5 min, demonstrated that ZnTA removes 99.8 % of the BG dye at optimized conditions. The adsorption of BG on ZnTA follows pseudo-second-order kinetics and fits the Langmuir isotherm model. The adsorption mechanism involves van der Waals forces, electrostatic interactions, π-π stacking, and hydrogen bonding. Additionally, desorption-regeneration studies indicate that ZnTA can be reused for up to five cycles of BG dye adsorption, maintaining an efficiency of 82.7 %. To precis, this study evidence that ZnTA can be deemed as a practical adsorbent for cleaning dye-contaminated water.

{"title":"Development of hybrid zinc tannate material for toxic cationic brilliant green dye removal from wastewater","authors":"Harshit Gupta , Sachin Yadav , Nahar Singh","doi":"10.1016/j.hazadv.2024.100569","DOIUrl":"10.1016/j.hazadv.2024.100569","url":null,"abstract":"<div><div>The versatility in designing hybrid materials allows for tailored properties to meet specific needs, leading to innovative solutions and advancements in various technological fields. The present study introduces Zinc tannate (ZnTA) as a cost-effective, environmentally friendly, and highly effective hybrid material for the removal of the toxic dye Brilliant Green (BG) from wastewater. ZnTA is synthesized via a simple and straightforward wet chemical route. Batch adsorption tests under optimal conditions, such as an adsorbent dose of 25.5 mg/20.0 mL at pH 6.0 with a contact time of 7.5 min, demonstrated that ZnTA removes 99.8 % of the BG dye at optimized conditions. The adsorption of BG on ZnTA follows pseudo-second-order kinetics and fits the Langmuir isotherm model. The adsorption mechanism involves van der Waals forces, electrostatic interactions, π-π stacking, and hydrogen bonding. Additionally, desorption-regeneration studies indicate that ZnTA can be reused for up to five cycles of BG dye adsorption, maintaining an efficiency of 82.7 %. To precis, this study evidence that ZnTA can be deemed as a practical adsorbent for cleaning dye-contaminated water.</div></div>","PeriodicalId":73763,"journal":{"name":"Journal of hazardous materials advances","volume":"17 ","pages":"Article 100569"},"PeriodicalIF":5.4,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143177666","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Durability and mass loss effect of heat-treated stainless-steel cathode for methane production from organic and inorganic carbon in a bioelectrochemical system

IF 5.4 Q2 ENGINEERING, ENVIRONMENTAL

Journal of hazardous materials advances

Pub Date : 2025-02-01 DOI: 10.1016/j.hazadv.2024.100573

Vafa Ahmadi, Carlos Dinamarca, Nabin Aryal

A key factor in biogas production via bioelectrochemical systems (BES) is the stability of electrodes in long-term operation, especially under limited applied energy and varying levels of organic and inorganic carbon content during wastewater treatment. Heat-treated stainless-steel (HTSS) has emerged as a potent cathode for methane (CH₄) production in BES for scaling up the technology. In this study, a BES reactor with HTSS electrodes was operated in on-off voltage conditions at different carbon levels in wastewater to evaluate CH₄ evolution through bioelectrosynthesis and controlled microbial corrosion on cathode. Results demonstrated that a low cathodic potential enriched the biofilm with hydrogenotrophic methanogens as Methanobacterium and Methanosarcina. Despite low current generation at lower applied cathodic voltage, biogas with 92–95 % CH₄ content was achieved. Electrochemical impedance spectroscopy test indicated an increased biofilm capacitance, supporting enhanced carbon dioxide (CO₂) reduction to CH₄. The mass loss rate of cathode reached 3.1·10⁻¹⁴ mg·cm⁻²·d⁻¹ after 133 days of operation, confirming the durability of HTSS cathode. Controlled microbial corrosion showed positive effect on CH₄ production due to iron mediated electron transfer in energy-limited conditions. These findings strengthen the potential of HTSS cathode as a durable and efficient cathode in scaling up BES reactors for CH₄ production.

{"title":"Durability and mass loss effect of heat-treated stainless-steel cathode for methane production from organic and inorganic carbon in a bioelectrochemical system","authors":"Vafa Ahmadi, Carlos Dinamarca, Nabin Aryal","doi":"10.1016/j.hazadv.2024.100573","DOIUrl":"10.1016/j.hazadv.2024.100573","url":null,"abstract":"<div><div>A key factor in biogas production <em>via</em> bioelectrochemical systems (BES) is the stability of electrodes in long-term operation, especially under limited applied energy and varying levels of organic and inorganic carbon content during wastewater treatment. Heat-treated stainless-steel (HTSS) has emerged as a potent cathode for methane (CH<sub>4</sub>) production in BES for scaling up the technology. In this study, a BES reactor with HTSS electrodes was operated in on-off voltage conditions at different carbon levels in wastewater to evaluate CH<sub>4</sub> evolution through bioelectrosynthesis and controlled microbial corrosion on cathode. Results demonstrated that a low cathodic potential enriched the biofilm with hydrogenotrophic methanogens as <em>Methanobacterium</em> and <em>Methanosarcina</em>. Despite low current generation at lower applied cathodic voltage, biogas with 92–95 % CH<sub>4</sub> content was achieved. Electrochemical impedance spectroscopy test indicated an increased biofilm capacitance, supporting enhanced carbon dioxide (CO<sub>2</sub>) reduction to CH<sub>4</sub>. The mass loss rate of cathode reached 3.1·10<sup>−14</sup> mg·cm<sup>−2</sup>·d<sup>−1</sup> after 133 days of operation, confirming the durability of HTSS cathode. Controlled microbial corrosion showed positive effect on CH<sub>4</sub> production due to iron mediated electron transfer in energy-limited conditions. These findings strengthen the potential of HTSS cathode as a durable and efficient cathode in scaling up BES reactors for CH<sub>4</sub> production.</div></div>","PeriodicalId":73763,"journal":{"name":"Journal of hazardous materials advances","volume":"17 ","pages":"Article 100573"},"PeriodicalIF":5.4,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143177668","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Enhanced electrochemical removal of sulfamethazine on Sm-doped Ti4O7 anode: Mechanisms and toxicity evaluation

IF 5.4 Q2 ENGINEERING, ENVIRONMENTAL

Journal of hazardous materials advances

Pub Date : 2025-02-01 DOI: 10.1016/j.hazadv.2025.100607

Nan Tao , Yina Tian , Jianing Wang , Jie Teng

As one typical broad-spectrum antibiotics, the abuse of sulfonamide induce potential ecology risk to aquatic environment. Here, the novel Sm-doped Ti₄O₇ electrode (Sm-Ti₄O₇) were fabricated using a facile spark plasma sintering (SPS) method for anodic decomposition of recalcitrant pollutants of sulfamethazine (SMZ). Electrochemical degradation experiments demonstrated that the 0.25% Sm-Ti₄O₇ anode achieved a remarkable 91.2% removal SMZ (k_obs = 0.0158 min⁻¹), which the degradation kinetics was 3.16 times higher than that of the pristine Ti₄O₇ anode. Electron paramagnetic resonance (EPR) and quenching experiments confirmed that hydroxyl radicals (•OH) were the primary active species responsible for the SMZ degradation. Linear sweep voltammetry (LSV) revealed that the oxygen evolution potential (OEP) of 0.25% Sm-Ti₄O₇ anode was 2.23 V (vs. standard hydrogen electrode, SHE), which is higher than that of pristine Ti₄O₇ anode. Thus, the one-electron water oxidation reaction was boosted on 0.25% Sm-Ti₄O₇ anode for producing highly reactive of •OH. The degradation pathway and intermediate products were validated using high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS), and the toxicity analysis was also estimated. In summary, the doping of rare metal Sm in Ti₄O₇ could boosts the electro-generation of hydroxyl radical via H₂O oxidation, which make the electrochemical oxidation more effective and efficient.

{"title":"Enhanced electrochemical removal of sulfamethazine on Sm-doped Ti4O7 anode: Mechanisms and toxicity evaluation","authors":"Nan Tao , Yina Tian , Jianing Wang , Jie Teng","doi":"10.1016/j.hazadv.2025.100607","DOIUrl":"10.1016/j.hazadv.2025.100607","url":null,"abstract":"<div><div>As one typical broad-spectrum antibiotics, the abuse of sulfonamide induce potential ecology risk to aquatic environment. Here, the novel Sm-doped Ti<sub>4</sub>O<sub>7</sub> electrode (Sm-Ti<sub>4</sub>O<sub>7</sub>) were fabricated using a facile spark plasma sintering (SPS) method for anodic decomposition of recalcitrant pollutants of sulfamethazine (SMZ). Electrochemical degradation experiments demonstrated that the 0.25% Sm-Ti<sub>4</sub>O<sub>7</sub> anode achieved a remarkable 91.2% removal SMZ (<em>k</em><sub>obs</sub> = 0.0158 min<sup>−1</sup>), which the degradation kinetics was 3.16 times higher than that of the pristine Ti<sub>4</sub>O<sub>7</sub> anode. Electron paramagnetic resonance (EPR) and quenching experiments confirmed that hydroxyl radicals (•OH) were the primary active species responsible for the SMZ degradation. Linear sweep voltammetry (LSV) revealed that the oxygen evolution potential (OEP) of 0.25% Sm-Ti<sub>4</sub>O<sub>7</sub> anode was 2.23 V (vs. standard hydrogen electrode, SHE), which is higher than that of pristine Ti<sub>4</sub>O<sub>7</sub> anode. Thus, the one-electron water oxidation reaction was boosted on 0.25% Sm-Ti<sub>4</sub>O<sub>7</sub> anode for producing highly reactive of •OH. The degradation pathway and intermediate products were validated using high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS), and the toxicity analysis was also estimated. In summary, the doping of rare metal Sm in Ti<sub>4</sub>O<sub>7</sub> could boosts the electro-generation of hydroxyl radical via H<sub>2</sub>O oxidation, which make the electrochemical oxidation more effective and efficient.</div></div>","PeriodicalId":73763,"journal":{"name":"Journal of hazardous materials advances","volume":"17 ","pages":"Article 100607"},"PeriodicalIF":5.4,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143176347","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Nanoplastic exposure inhibits growth, photosynthetic pigment synthesis and oxidative enzymes in microalgae: A new threat to primary producers in aquatic environment

IF 5.4 Q2 ENGINEERING, ENVIRONMENTAL

Journal of hazardous materials advances

Pub Date : 2025-02-01 DOI: 10.1016/j.hazadv.2025.100613

Pritam Sarkar , K.A. Martin Xavier , Satya Prakash Shukla , Govindarajan Rathi Bhuvaneswari

The acute toxicity of graded concentrations of polysterene nanoplastic (PS NPs) spheres (Size 0.1 µm) was evaluated to ascertain the effects of NPs on growth, vital photosynthetic pigments, protein and oxidative stress enzymes. The findings show that PS NPs inhibited the growth of microalgae (Chlorella vulgaris and Spirulina (Arthrospira) platensis) in a dose-dependent manner. The growth inhibition percentage reached 40.12 % for C. vulgaris and 42.57 % for S. platensis, compared to the control. Additionally, pigment content decreased by 31.62 % to 35.06 %, while protein content dropped by 37.27 % to 48.48 % of both the tested microalgae as the concentration of PS NPs in the medium increased. The oxidative stress created by PS NPs was evident from an increase in catalase and peroxidase activity. The findings conclusively endorse that NPs pollution in the aquatic environment will disrupt the functioning of ecosystems through its detrimental effects on microalgae forming the base of the food chain and supporting the successive trophic levels in the aquatic environment. This research will give a deeper insight into the ecotoxicological impacts of NPs in aquatic environments and the baseline information will be helpful in developing an effective strategy for mitigation of plastic pollution with a greater emphasis on nanoplastics.

{"title":"Nanoplastic exposure inhibits growth, photosynthetic pigment synthesis and oxidative enzymes in microalgae: A new threat to primary producers in aquatic environment","authors":"Pritam Sarkar , K.A. Martin Xavier , Satya Prakash Shukla , Govindarajan Rathi Bhuvaneswari","doi":"10.1016/j.hazadv.2025.100613","DOIUrl":"10.1016/j.hazadv.2025.100613","url":null,"abstract":"<div><div>The acute toxicity of graded concentrations of polysterene nanoplastic (PS NPs) spheres (Size 0.1 µm) was evaluated to ascertain the effects of NPs on growth, vital photosynthetic pigments, protein and oxidative stress enzymes. The findings show that PS NPs inhibited the growth of microalgae (<em>Chlorella vulgaris</em> and <em>Spirulina</em> (<em>Arthrospira</em>) <em>platensis</em>) in a dose-dependent manner. The growth inhibition percentage reached 40.12 % for <em>C. vulgaris</em> and 42.57 % for <em>S. platensis</em>, compared to the control. Additionally, pigment content decreased by 31.62 % to 35.06 %, while protein content dropped by 37.27 % to 48.48 % of both the tested microalgae as the concentration of PS NPs in the medium increased. The oxidative stress created by PS NPs was evident from an increase in catalase and peroxidase activity. The findings conclusively endorse that NPs pollution in the aquatic environment will disrupt the functioning of ecosystems through its detrimental effects on microalgae forming the base of the food chain and supporting the successive trophic levels in the aquatic environment. This research will give a deeper insight into the ecotoxicological impacts of NPs in aquatic environments and the baseline information will be helpful in developing an effective strategy for mitigation of plastic pollution with a greater emphasis on nanoplastics.</div></div>","PeriodicalId":73763,"journal":{"name":"Journal of hazardous materials advances","volume":"17 ","pages":"Article 100613"},"PeriodicalIF":5.4,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143176355","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Engineered biocorona on microplastics as a toxicity mitigation strategy in marine environment: Experiments with a marine crustacean Artemia salina

IF 5.4 Q2 ENGINEERING, ENVIRONMENTAL

Journal of hazardous materials advances

Pub Date : 2025-02-01 DOI: 10.1016/j.hazadv.2024.100558

Camil Rex M , Anushka Bairoliya , Shristi Gairola , Pooja Sureshkumar , Vidya Niranjan , Anish Nag , Amitava Mukherjee

The marine environment has become a major sink for microplastics (MPs) wastes. When MPs interact with biological macromolecules, the biocorona forms on their surface, which can alter their biological reactivity and toxicity. In this study, we investigated the impact of biocorona formation on the toxicity of aminated (NH₂) and carboxylated (COOH) polystyrene MPs towards the marine crustacean Artemia salina. Biocoronated MPs were prepared using cell-free extracts (CFEs) from microalgae Chlorella sp. (phytoplankton) and the brine shrimp Artemia salina (zooplankton). The results revealed that biocorona formation effectively reduced the toxicity of MPs. Pristine NH₂-MPs exhibited higher reactive oxygen species production (ROS) (182%) compared to COOH-MPs (162%) in Artemia salina. Notably, NH₂-MPs coronated with brine shrimp CFE exhibited a substantial reduction in ROS production (127%) than those coronated with algal CFE, with COOH-MPs showing a similar trend (120%). Biocorona formation also significantly decreased malondialdehyde (MDA) levels and antioxidant activity compared to pristine MPs. Molecular docking and dynamics simulations demonstrated a strong binding between polystyrene and acetylcholinesterase (AChE). In vitro studies indicated that pristine NH₂-MPs exhibited more reduction in AChE activity (84%) compared to COOH-MPs (95%). However, no significant reduction in AChE activity was observed upon exposure to MPs coronated with either algal or brine shrimp cell-free extracts. Independent action modeling indicated an antagonistic interaction for MPs coronated with both the CFEs. Pearson correlation and cluster heatmap analysis suggested that the toxicity reduction in Artemia salina might be driven by decreased oxidative stress followed by the corona formation. Overall, this study provides valuable insights into the potential of biomolecules from phytoplankton and zooplankton to reduce MPs toxicity in Artemia salina, while highlighting their role in modulating the toxicity of other marine pollutants.

{"title":"Engineered biocorona on microplastics as a toxicity mitigation strategy in marine environment: Experiments with a marine crustacean Artemia salina","authors":"Camil Rex M , Anushka Bairoliya , Shristi Gairola , Pooja Sureshkumar , Vidya Niranjan , Anish Nag , Amitava Mukherjee","doi":"10.1016/j.hazadv.2024.100558","DOIUrl":"10.1016/j.hazadv.2024.100558","url":null,"abstract":"<div><div>The marine environment has become a major sink for microplastics (MPs) wastes. When MPs interact with biological macromolecules, the biocorona forms on their surface, which can alter their biological reactivity and toxicity. In this study, we investigated the impact of biocorona formation on the toxicity of aminated (NH<sub>2</sub>) and carboxylated (COOH) polystyrene MPs towards the marine crustacean <em>Artemia salina</em>. Biocoronated MPs were prepared using cell-free extracts (CFEs) from microalgae <em>Chlorella</em> sp. (phytoplankton) and the brine shrimp <em>Artemia salina</em> (zooplankton). The results revealed that biocorona formation effectively reduced the toxicity of MPs. Pristine NH<sub>2</sub>-MPs exhibited higher reactive oxygen species production (ROS) (182%) compared to COOH-MPs (162%) in <em>Artemia salina</em>. Notably, NH<sub>2</sub>-MPs coronated with brine shrimp CFE exhibited a substantial reduction in ROS production (127%) than those coronated with algal CFE, with COOH-MPs showing a similar trend (120%). Biocorona formation also significantly decreased malondialdehyde (MDA) levels and antioxidant activity compared to pristine MPs. Molecular docking and dynamics simulations demonstrated a strong binding between polystyrene and acetylcholinesterase (AChE). <em>In vitro</em> studies indicated that pristine NH<sub>2</sub>-MPs exhibited more reduction in AChE activity (84%) compared to COOH-MPs (95%). However, no significant reduction in AChE activity was observed upon exposure to MPs coronated with either algal or brine shrimp cell-free extracts. Independent action modeling indicated an antagonistic interaction for MPs coronated with both the CFEs. Pearson correlation and cluster heatmap analysis suggested that the toxicity reduction in <em>Artemia salina</em> might be driven by decreased oxidative stress followed by the corona formation. Overall, this study provides valuable insights into the potential of biomolecules from phytoplankton and zooplankton to reduce MPs toxicity in <em>Artemia salina</em>, while highlighting their role in modulating the toxicity of other marine pollutants.</div></div>","PeriodicalId":73763,"journal":{"name":"Journal of hazardous materials advances","volume":"17 ","pages":"Article 100558"},"PeriodicalIF":5.4,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143176866","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0