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Microbial enrichment-based bioremediation of petroleum refinery wastewater- enhanced effluent quality assessment by phytotoxicity studies

Q1 Environmental Science

Bioresource Technology Reports

Pub Date : 2025-02-01 DOI: 10.1016/j.biteb.2025.102043

Kooliyedath Viswanath Aswani , V. Manu Sankar , Ajay S. Kalamdhad , Chandan Das

The degradation and toxicity reduction of Petroleum Refinery Wastewater (PRW) remains a significant global environmental challenge, with limited research exploring the synergistic potential of microbial consortium for enhancing bioremediation efficiency. This study evaluates the biodegradation of PRW using Ochrobactrum anthropi and Pseudomonas aeruginosa, both individually and in a 1:1 bacterial consortium, through physicochemical analyses and phytotoxicity assays using Vigna radiata. The bacterial consortium demonstrated the highest bioremediation potential, achieving 95% degradation in 14-days, compared to 87% and 83% by O. anthropi and P. aeruginosa, respectively, over a 21-day cycle. Similarly, phenol degradation by the bacterial consortium reached 80% within 14-days, outperforming O. anthropi (77%) and P. aeruginosa (75%) at 21-days. Phytotoxicity tests revealed that the bacterial consortium treatment effectively reduced effluent toxicity, making it a promising approach for efficient PRW remediation within a shorter timeframe. This study underscores the potential impact of microbial consortium in addressing industrial wastewater challenges.

{"title":"Microbial enrichment-based bioremediation of petroleum refinery wastewater- enhanced effluent quality assessment by phytotoxicity studies","authors":"Kooliyedath Viswanath Aswani , V. Manu Sankar , Ajay S. Kalamdhad , Chandan Das","doi":"10.1016/j.biteb.2025.102043","DOIUrl":"10.1016/j.biteb.2025.102043","url":null,"abstract":"<div><div>The degradation and toxicity reduction of Petroleum Refinery Wastewater (PRW) remains a significant global environmental challenge, with limited research exploring the synergistic potential of microbial consortium for enhancing bioremediation efficiency. This study evaluates the biodegradation of PRW using <em>Ochrobactrum anthropi</em> and <em>Pseudomonas aeruginosa</em>, both individually and in a 1:1 bacterial consortium, through physicochemical analyses and phytotoxicity assays using <em>Vigna radiata</em>. The bacterial consortium demonstrated the highest bioremediation potential, achieving 95% degradation in 14-days, compared to 87% and 83% by <em>O. anthropi</em> and <em>P. aeruginosa</em>, respectively, over a 21-day cycle. Similarly, phenol degradation by the bacterial consortium reached 80% within 14-days, outperforming <em>O. anthropi</em> (77%) and <em>P. aeruginosa</em> (75%) at 21-days. Phytotoxicity tests revealed that the bacterial consortium treatment effectively reduced effluent toxicity, making it a promising approach for efficient PRW remediation within a shorter timeframe. This study underscores the potential impact of microbial consortium in addressing industrial wastewater challenges.</div></div>","PeriodicalId":8947,"journal":{"name":"Bioresource Technology Reports","volume":"29 ","pages":"Article 102043"},"PeriodicalIF":0.0,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143141914","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Effects of the presence of metal competitors on the formation of struvite recovered from nutrient-rich wastewater using air cathode electrocoagulation technology

Q1 Environmental Science

Bioresource Technology Reports

Pub Date : 2025-02-01 DOI: 10.1016/j.biteb.2025.102033

Agus Jatnika Effendi , Firdha Laila Amalia , Syarif Hidayat

This study examined the effect of metal competitors on the formation of struvite recovered from nutrient-rich wastewater. The metal ions studied in this research were Ca²⁺, Fe³⁺, and K⁺. The concentration of Ca²⁺ in wastewater varied based on the molar ratio of Ca: PO₄ ranging from 0 (without Ca metal), 0.5, 0.6, 0.8, and 1. Variations of Fe³⁺ were 5 ppm, 10 ppm, 30 ppm, and 50 ppm. Variations of K⁺ concentration were based on N: K molar ratios of 0.75, 1.8, 3.45, and 5. Variations containing all three types of metal simultaneously were also carried out in this study. The study was conducted by measuring the removal efficiency and removal rate of nutrients, and analysing characteristics of the precipitate using SEM-EDS and XRD. The results showed that the presence of Ca, Fe, and K in solutions reduced the efficiency of ammonium removal, inhibited struvite formation process, and reduced the amount and purity of struvite produced. The presence of Fe³⁺ had the greatest effect compared to the other two metals. The presence of Ca, Fe, and K simultaneously in solution caused extremely low ammonium removal efficiency. Metal competitors affected the precipitate produced by reacting with constituent ions, forming other types of minerals besides struvite, and were also incorporated into the struvite formed.

{"title":"Effects of the presence of metal competitors on the formation of struvite recovered from nutrient-rich wastewater using air cathode electrocoagulation technology","authors":"Agus Jatnika Effendi , Firdha Laila Amalia , Syarif Hidayat","doi":"10.1016/j.biteb.2025.102033","DOIUrl":"10.1016/j.biteb.2025.102033","url":null,"abstract":"<div><div>This study examined the effect of metal competitors on the formation of struvite recovered from nutrient-rich wastewater. The metal ions studied in this research were Ca<sup>2+</sup>, Fe<sup>3+</sup>, and K<sup>+</sup>. The concentration of Ca<sup>2+</sup> in wastewater varied based on the molar ratio of Ca: PO<sub>4</sub> ranging from 0 (without Ca metal), 0.5, 0.6, 0.8, and 1. Variations of Fe<sup>3+</sup> were 5 ppm, 10 ppm, 30 ppm, and 50 ppm. Variations of K<sup>+</sup> concentration were based on N: K molar ratios of 0.75, 1.8, 3.45, and 5. Variations containing all three types of metal simultaneously were also carried out in this study. The study was conducted by measuring the removal efficiency and removal rate of nutrients, and analysing characteristics of the precipitate using SEM-EDS and XRD. The results showed that the presence of Ca, Fe, and K in solutions reduced the efficiency of ammonium removal, inhibited struvite formation process, and reduced the amount and purity of struvite produced. The presence of Fe<sup>3+</sup> had the greatest effect compared to the other two metals. The presence of Ca, Fe, and K simultaneously in solution caused extremely low ammonium removal efficiency. Metal competitors affected the precipitate produced by reacting with constituent ions, forming other types of minerals besides struvite, and were also incorporated into the struvite formed.</div></div>","PeriodicalId":8947,"journal":{"name":"Bioresource Technology Reports","volume":"29 ","pages":"Article 102033"},"PeriodicalIF":0.0,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143141919","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

HR-LCMS based metabolite profiling, antioxidant activity and microbial study of haria from the North Dinajpur district of West Bengal, India

Q1 Environmental Science

Bioresource Technology Reports

Pub Date : 2025-02-01 DOI: 10.1016/j.biteb.2025.102020

Rabiul Alam , Jasmin Aktar Mazumder , Soumitra Das , Pradeep Kumar Das Mohapatra

Haria is a mild alcoholic fermented beverage of tribal and economically backward communities in West Bengal, India. Every year many health hazards have been reported related to the consumption of local beverages. To address this issue, an effort has been taken to study haria through HR-LCMS and found the presence of 60 compounds of which 37 were identified. These metabolites belong to antimicrobial and antioxidant, alkaloid, lipid and peptide etc. A few hazardous synthetic compounds like fertilizer and insecticide residues were also found. Antioxidant property of haria against DPPH showed a good free radical scavenging activity. The sample had a pH 2.6, alcohol content 5.2 % ABV and total titrable acidity 0.76. The microbial load of haria is 5.4 × 10⁷ CFU/mL. The predominant microbes were identified as Saccharomyces cerevisiae and Enterobacter sp. Haria, free from pesticide residues and hazardous microbial contamination, becomes a nutritious and energy rich drink.

{"title":"HR-LCMS based metabolite profiling, antioxidant activity and microbial study of haria from the North Dinajpur district of West Bengal, India","authors":"Rabiul Alam , Jasmin Aktar Mazumder , Soumitra Das , Pradeep Kumar Das Mohapatra","doi":"10.1016/j.biteb.2025.102020","DOIUrl":"10.1016/j.biteb.2025.102020","url":null,"abstract":"<div><div><em>Haria</em> is a mild alcoholic fermented beverage of tribal and economically backward communities in West Bengal, India. Every year many health hazards have been reported related to the consumption of local beverages. To address this issue, an effort has been taken to study <em>haria</em> through HR-LCMS and found the presence of 60 compounds of which 37 were identified. These metabolites belong to antimicrobial and antioxidant, alkaloid, lipid and peptide etc. A few hazardous synthetic compounds like fertilizer and insecticide residues were also found. Antioxidant property of <em>haria</em> against DPPH showed a good free radical scavenging activity. The sample had a pH 2.6, alcohol content 5.2 % ABV and total titrable acidity 0.76. The microbial load of <em>haria</em> is 5.4 <strong>×</strong> 10<sup>7</sup> CFU/mL. The predominant microbes were identified as <em>Saccharomyces cerevisiae</em> and <em>Enterobacter</em> sp. <em>Haria,</em> free from pesticide residues and hazardous microbial contamination, becomes a nutritious and energy rich drink.</div></div>","PeriodicalId":8947,"journal":{"name":"Bioresource Technology Reports","volume":"29 ","pages":"Article 102020"},"PeriodicalIF":0.0,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143142762","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Magnetite-modified attapulgite influencing methane production in anaerobic digestion of pig manure: Performance and mechanism

Q1 Environmental Science

Bioresource Technology Reports

Pub Date : 2025-02-01 DOI: 10.1016/j.biteb.2025.102053

Yue-gan Liang, Kotchikpa Adekunle Firmin

High ammonia nitrogen and a low electron transfer rate result in low methane production efficiency during the pig manure digestion. This study explored the impact of magnetite-modified attapulgite (MMA) on methane production in the anaerobically digested pig manure, and the mechanisms on MMA influencing methane production. The results indicated that low doses of MMA, with loadings ranging from 1.4 to 6.9 g/L, enhanced methane production, achieving values between 146.5 and 212.5 mL/g VS with MMA loadings of 1.4 to 6.9 g/L, increasing by 2.4 % to 33.5 % compared to the control. These low doses of MMA exhibited higher hydrolytic, acidogenic and methanogenic rates, as evidenced by the increase in β-glucosidase, dehydrogenase, and F₄₂₀ activities, along with a rise in hydrolytic bacteria and Methanosarcina which facilitates interspecies electron transfer. In contrast, higher doses of MMA decreased methane production by 1.6 % to 14.5 %. This was primarily attributed to high FA and iron reduction.

引用次数: 0

Acidification of palm oil mill effluent with green waste vinegar enhances carboxydotrophic activity during anaerobic digestion

Q1 Environmental Science

Bioresource Technology Reports

Pub Date : 2025-02-01 DOI: 10.1016/j.biteb.2025.102019

Khairunnisa Abdul Halim , Ee Ling Yong , Yu-You Li , Sumaeth Chavadej

Methane conversion is hampered by the high hemicellulose content in palm oil mill effluent (POME) and the neglect of carboxydotrophic pathway during anaerobic digestion. This study investigates solubilization and carboxydotrophic activity of acidified POME during anaerobic digestion. Green waste vinegar (GWV), a fermented liquid from plant-based food wastes, was used to acidify POME. The solubilization degree of POME increased as early as 24 h and reached a plateau on Day 2 or Day 3 depending on the GWV percentage. Biogas production increased with higher GWV percentage in acid phase (AP), from 0 % (Control) to 94.5 % (15 % GWV). Carbon monoxide was predominant in AP biogas and correlated with acetic acid content and methane production, while in methanogenesis phase (MP), no correlation was found. The study concludes that the addition of GWV significantly enhances POME solubilization and carboxydotrophic activity in AP, suggesting methane production in both AP and MP may involve the carboxydotrophic pathway.

引用次数: 0

Potential of Indonesian cocoa pod husk for production of ligninolytic enzymes laccase and manganese peroxidase from Trametes hirsuta

Q1 Environmental Science

Bioresource Technology Reports

Pub Date : 2025-02-01 DOI: 10.1016/j.biteb.2024.101999

Eko Wahyu Putro , Herman Suryadi , Sutriyo , Nanik Rahmani , Ratika Rahmasari , Ade Andriani , Nur Ajijah

Lignocellulosic biomass waste is a great potential source of cellulose and cellulose derivative bioproducts. Biomass pretreatment which involves ligninolytic enzymes is an environmentally friendly process that minimizes the use of harsh chemicals and energy input. This study evaluated white rot fungi and inducers (corncob, pineapple leaf, sorghum, and cocoa pod husk) to produce laccase (Lac) and manganese peroxidase (MnP). Enzyme production was optimized by using Plackett Burman and response surface methodology. Purification was undertaken by ammonium sulfate precipitation, dialysis, and anion exchange chromatography. Trametes hirsuta and cocoa pod husk as producer and inducer, respectively, resulted in the highest enzyme activities. The activities of Lac and MnP were optimum at 762.25 U/L and 596.92 U/L, respectively. The optimum pH and temperature for Lac and MnP were pH 3 (room temperature) and 60 °C (pH 5). The expected Lac and MnP were observed at ~65 kDa and 35–50 kDa protein band, respectively.

{"title":"Potential of Indonesian cocoa pod husk for production of ligninolytic enzymes laccase and manganese peroxidase from Trametes hirsuta","authors":"Eko Wahyu Putro , Herman Suryadi , Sutriyo , Nanik Rahmani , Ratika Rahmasari , Ade Andriani , Nur Ajijah","doi":"10.1016/j.biteb.2024.101999","DOIUrl":"10.1016/j.biteb.2024.101999","url":null,"abstract":"<div><div>Lignocellulosic biomass waste is a great potential source of cellulose and cellulose derivative bioproducts. Biomass pretreatment which involves ligninolytic enzymes is an environmentally friendly process that minimizes the use of harsh chemicals and energy input. This study evaluated white rot fungi and inducers (corncob, pineapple leaf, sorghum, and cocoa pod husk) to produce laccase (Lac) and manganese peroxidase (MnP). Enzyme production was optimized by using Plackett Burman and response surface methodology. Purification was undertaken by ammonium sulfate precipitation, dialysis, and anion exchange chromatography. <em>Trametes hirsuta</em> and cocoa pod husk as producer and inducer, respectively, resulted in the highest enzyme activities. The activities of Lac and MnP were optimum at 762.25 U/L and 596.92 U/L, respectively. The optimum pH and temperature for Lac and MnP were pH 3 (room temperature) and 60 °C (pH 5). The expected Lac and MnP were observed at ~65 kDa and 35–50 kDa protein band, respectively.</div></div>","PeriodicalId":8947,"journal":{"name":"Bioresource Technology Reports","volume":"29 ","pages":"Article 101999"},"PeriodicalIF":0.0,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143141878","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Advancing sustainable astaxanthin-lipid biorefineries: Robust two-stage phytohormone-driven bioprocess in Chromochloris zofingiensis

Q1 Environmental Science

Bioresource Technology Reports

Pub Date : 2025-02-01 DOI: 10.1016/j.biteb.2025.102022

Vaibhav Sunil Tambat , Reeta Rani Singhania , Anil Kumar Patel , Chiu-Wen Chen , Philippe Michaud , Cheng-Di Dong

The increasing demand for natural astaxanthin, a high-value carotenoid, has encouraged research into efficient microalgal production systems. Haematococcus, the dominant producer, faces scalability challenges due to slow growth and low biomass yields. This study presents a robust two-stage mixotrophic bioprocess using Chromochloris zofingiensis as an alternative producer. Gibberellic acid, salicylic acid, and abscisic acid were integrated at concentrations of 5–50 mg/L to optimize yields. GA (50 mg/L) achieved the highest biomass (4.02 g/L), while SA (30 mg/L) resulted in the maximum astaxanthin content (22.25 mg/g) and yield (75 mg/L). Lipid yields increased by 25–28 %, supporting biodiesel co-production. Previous phytohormones-induced bioprocess lacked robust design and adequate metabolic flux. This study addresses critical gaps in previous research by stabilizing metabolic flux and enhancing scalability. The optimized process positions C. zofingiensis as a sustainable platform for commercial astaxanthin-lipid biorefineries, aligning with SDG 12 (responsible consumption) and SDG 3 (health and well-being).

{"title":"Advancing sustainable astaxanthin-lipid biorefineries: Robust two-stage phytohormone-driven bioprocess in Chromochloris zofingiensis","authors":"Vaibhav Sunil Tambat , Reeta Rani Singhania , Anil Kumar Patel , Chiu-Wen Chen , Philippe Michaud , Cheng-Di Dong","doi":"10.1016/j.biteb.2025.102022","DOIUrl":"10.1016/j.biteb.2025.102022","url":null,"abstract":"<div><div>The increasing demand for natural astaxanthin, a high-value carotenoid, has encouraged research into efficient microalgal production systems. <em>Haematococcus</em>, the dominant producer, faces scalability challenges due to slow growth and low biomass yields. This study presents a robust two-stage mixotrophic bioprocess using <em>Chromochloris zofingiensis</em> as an alternative producer. Gibberellic acid, salicylic acid, and abscisic acid were integrated at concentrations of 5–50 mg/L to optimize yields. GA (50 mg/L) achieved the highest biomass (4.02 g/L), while SA (30 mg/L) resulted in the maximum astaxanthin content (22.25 mg/g) and yield (75 mg/L). Lipid yields increased by 25–28 %, supporting biodiesel co-production. Previous phytohormones-induced bioprocess lacked robust design and adequate metabolic flux. This study addresses critical gaps in previous research by stabilizing metabolic flux and enhancing scalability. The optimized process positions <em>C. zofingiensis</em> as a sustainable platform for commercial astaxanthin-lipid biorefineries, aligning with SDG 12 (responsible consumption) and SDG 3 (health and well-being).</div></div>","PeriodicalId":8947,"journal":{"name":"Bioresource Technology Reports","volume":"29 ","pages":"Article 102022"},"PeriodicalIF":0.0,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143142763","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Efficient synthesis, purification and characterization of novel carboxymethyl cellulase from newly isolated Streptomyces sp. CSMPJR101, with potential use in denim biopolishing

Q1 Environmental Science

Bioresource Technology Reports

Pub Date : 2025-02-01 DOI: 10.1016/j.biteb.2025.102035

Munisamy Prathaban , Chandran Sureshkumar , Murugesan Sobanaa , Ragothaman Prathiviraj , S. Hari Krishna Kumar , George Seghal Kiran , Joseph Selvin

Microbial cellulases that are readily obtainable and grow on inexpensive substrates are the most economical. The study involved the isolation of 119 Streptomyces isolates that produced carboxymethyl cellulase (CMCase) from soils found in bamboo forests, Manjavadi Kanavai Tamilnadu, India. The isolate CSMPJR101 which produced highest zone of cleareance is used for the studies, upon optimization the isolate produced 111.8 ± 1 U/mL of crude CMCase. The cellulase produced by Streptomyces sp. CSMPJR101 had molecular mass of 86 kDa and biochemically characterized. The optimal enzyme activity found at pH 4–9 and temperature ranging from 30 to 50 °C. The CaCl₂ had a stimulatory effect on enzyme activity. The potential of the purified cellulase on biopolishing of denim farbrics was evaluated. The ability of Streptomyces-endoglucanase to lessen cloth hairiness, also increases fabric hydrophilicity for better moisture absorption and comfort. The novel cellulases produced from newly isolated Streptomyces sp. CSMPJR101 has a potential for textile processing.

{"title":"Efficient synthesis, purification and characterization of novel carboxymethyl cellulase from newly isolated Streptomyces sp. CSMPJR101, with potential use in denim biopolishing","authors":"Munisamy Prathaban , Chandran Sureshkumar , Murugesan Sobanaa , Ragothaman Prathiviraj , S. Hari Krishna Kumar , George Seghal Kiran , Joseph Selvin","doi":"10.1016/j.biteb.2025.102035","DOIUrl":"10.1016/j.biteb.2025.102035","url":null,"abstract":"<div><div>Microbial cellulases that are readily obtainable and grow on inexpensive substrates are the most economical. The study involved the isolation of 119 <em>Streptomyces</em> isolates that produced carboxymethyl cellulase (CMCase) from soils found in bamboo forests, Manjavadi Kanavai Tamilnadu, India. The isolate CSMPJR101 which produced highest zone of cleareance is used for the studies, upon optimization the isolate produced 111.8 ± 1 U/mL of crude CMCase. The cellulase produced by <em>Streptomyces</em> sp. CSMPJR101 had molecular mass of 86 kDa and biochemically characterized. The optimal enzyme activity found at pH 4–9 and temperature ranging from 30 to 50 °C. The CaCl<sub>2</sub> had a stimulatory effect on enzyme activity. The potential of the purified cellulase on biopolishing of denim farbrics was evaluated. The ability of <em>Streptomyces</em>-endoglucanase to lessen cloth hairiness, also increases fabric hydrophilicity for better moisture absorption and comfort. The novel cellulases produced from newly isolated <em>Streptomyces</em> sp. CSMPJR101 has a potential for textile processing.</div></div>","PeriodicalId":8947,"journal":{"name":"Bioresource Technology Reports","volume":"29 ","pages":"Article 102035"},"PeriodicalIF":0.0,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143141876","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Exploring wood-based strategies for dye removal: A comprehensive literature review

Q1 Environmental Science

Bioresource Technology Reports

Pub Date : 2025-02-01 DOI: 10.1016/j.biteb.2025.102048

Nursalfaul Fahira, Paulus Lobo Gareso, Dahlang Tahir

In an era of increasing focus on sustainability, managing industrial effluents is essential to reduce environmental impacts, particularly from the textile and dyeing sectors. This paper explores the potential of wood-based materials as effective agents for color effluent removal. The active components of wood, such as lignin, cellulose, and hemicellulose, play a crucial role in this process. Lignin, with its complex aromatic structure, interacts with dye molecules through hydrogen bonding, π-π interactions, and electrostatic forces, enabling efficient adsorption and degradation of dyes. Cellulose and hemicellulose further enhance the adsorption capacity. Despite its potential, challenges include maintaining consistent wood quality and optimizing application techniques for industrial scale. This paper provides a comprehensive overview of the mechanisms, efficiency, and constraints, encouraging future research to refine wood-based solutions. Ultimately, these findings contribute to developing more sustainable, eco-friendly wastewater management strategies.

引用次数: 0

Vermicompost versus chicken manure: Comparative effects on hemp growth, heavy metal sequestration, and root microbial communities in Rosella, Superwoman S1, and Red Robin cultivars

Q1 Environmental Science

Bioresource Technology Reports

Pub Date : 2025-02-01 DOI: 10.1016/j.biteb.2024.102017

Chutiphan Sangsoda , Chayanon Sawatdeenarunat , Sumeth Wongkiew

With growing interest in hemp and sustainable agriculture, understanding the impact of organic amendments on hemp cultivation is essential. This study evaluated the effects of vermicompost and chicken manure on growth, soil nutrients, heavy metal accumulation, and root microbial communities in three hemp cultivars (Cannabis sativa L. subsp. sativa): Rosella, Superwoman S1, and Red Robin over a 120 day-period. Vermicompost improved growth (1.0–3.1 folds, dry wt.) and maintained higher soil nitrogen (1.1–2.5 folds), phosphate (1.2–1.3 folds), and potassium levels (1.8–3.5 folds) compared with a control. However, chicken manure enhanced only phosphorus (1.1–1.3 folds) and inhibited the growth of all cultivars. Hemp sequestered heavy metals in the roots, reducing contamination in shoots and leaves. Both amendments significantly influenced root microbiomes, promoting beneficial bacteria, such as Bacillus and Mycobacterium (vermicompost) and Shinella (chicken manure), which contributed to organic degradation and heavy metal transformation, thereby enhancing soil health.

{"title":"Vermicompost versus chicken manure: Comparative effects on hemp growth, heavy metal sequestration, and root microbial communities in Rosella, Superwoman S1, and Red Robin cultivars","authors":"Chutiphan Sangsoda , Chayanon Sawatdeenarunat , Sumeth Wongkiew","doi":"10.1016/j.biteb.2024.102017","DOIUrl":"10.1016/j.biteb.2024.102017","url":null,"abstract":"<div><div>With growing interest in hemp and sustainable agriculture, understanding the impact of organic amendments on hemp cultivation is essential. This study evaluated the effects of vermicompost and chicken manure on growth, soil nutrients, heavy metal accumulation, and root microbial communities in three hemp cultivars (<em>Cannabis sativa</em> L. subsp. <em>sativa</em>): Rosella, Superwoman S1, and Red Robin over a 120 day-period. Vermicompost improved growth (1.0–3.1 folds, dry wt.) and maintained higher soil nitrogen (1.1–2.5 folds), phosphate (1.2–1.3 folds), and potassium levels (1.8–3.5 folds) compared with a control. However, chicken manure enhanced only phosphorus (1.1–1.3 folds) and inhibited the growth of all cultivars. Hemp sequestered heavy metals in the roots, reducing contamination in shoots and leaves. Both amendments significantly influenced root microbiomes, promoting beneficial bacteria, such as <em>Bacillus</em> and <em>Mycobacterium</em> (vermicompost) and <em>Shinella</em> (chicken manure), which contributed to organic degradation and heavy metal transformation, thereby enhancing soil health.</div></div>","PeriodicalId":8947,"journal":{"name":"Bioresource Technology Reports","volume":"29 ","pages":"Article 102017"},"PeriodicalIF":0.0,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143141872","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

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