Pub Date : 2023-06-15DOI: 10.1080/10643389.2023.2221157
Jianlong Wang, X. Guo
Abstract Heavy metal pollution has become one of the most severe environmental issues. Adsorption is an effective method for removing heavy metals from aquatic environments. The adsorption isotherm and kinetics models can provide information on the adsorption process, maximal adsorption capacity, and mass transfer steps, which are essential to evaluate the performance of an adsorbent and to design an adsorption system. In this review, the adsorption kinetics and isotherms of heavy metals by various adsorbents were summarized and discussed in depth. First, the sources of heavy metal pollution and the adsorption technology to remove heavy metals were reviewed. The adsorption capacity of Cu, Cd, Zn, Ni, Cr, As, Fe, Hg, Co, Sr, and Cs by biosorbents (e.g. algae, agriculture waste biochar/activated carbon, and bacteria) and by abiotic adsorbents (e.g. metal–organic frameworks (MOFs), microtubes, polymers, clays, minerals, and coal) were systematically summarized. Second, the origins, basic assumptions, importance, physical meanings, and applications of the adsorption kinetics and isotherm models were discussed in depth. Third, the methods for selecting adsorption models in different conditions were explained, and the statistical parameters which can be applied to evaluate the performance of the models were illustrated. Finally, two Excel sheets are provided for solving the adsorption models, which are available in Supplementary Information. This review article will deepen the understanding of the interaction between heavy metals and adsorbents and facilitate the development of adsorptive technology for heavy metal removal from water and wastewater.
{"title":"Adsorption kinetics and isotherm models of heavy metals by various adsorbents: An overview","authors":"Jianlong Wang, X. Guo","doi":"10.1080/10643389.2023.2221157","DOIUrl":"https://doi.org/10.1080/10643389.2023.2221157","url":null,"abstract":"Abstract Heavy metal pollution has become one of the most severe environmental issues. Adsorption is an effective method for removing heavy metals from aquatic environments. The adsorption isotherm and kinetics models can provide information on the adsorption process, maximal adsorption capacity, and mass transfer steps, which are essential to evaluate the performance of an adsorbent and to design an adsorption system. In this review, the adsorption kinetics and isotherms of heavy metals by various adsorbents were summarized and discussed in depth. First, the sources of heavy metal pollution and the adsorption technology to remove heavy metals were reviewed. The adsorption capacity of Cu, Cd, Zn, Ni, Cr, As, Fe, Hg, Co, Sr, and Cs by biosorbents (e.g. algae, agriculture waste biochar/activated carbon, and bacteria) and by abiotic adsorbents (e.g. metal–organic frameworks (MOFs), microtubes, polymers, clays, minerals, and coal) were systematically summarized. Second, the origins, basic assumptions, importance, physical meanings, and applications of the adsorption kinetics and isotherm models were discussed in depth. Third, the methods for selecting adsorption models in different conditions were explained, and the statistical parameters which can be applied to evaluate the performance of the models were illustrated. Finally, two Excel sheets are provided for solving the adsorption models, which are available in Supplementary Information. This review article will deepen the understanding of the interaction between heavy metals and adsorbents and facilitate the development of adsorptive technology for heavy metal removal from water and wastewater.","PeriodicalId":10823,"journal":{"name":"Critical Reviews in Environmental Science and Technology","volume":"53 1","pages":"1837 - 1865"},"PeriodicalIF":12.6,"publicationDate":"2023-06-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43751130","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-06-05DOI: 10.1080/10643389.2023.2221155
Yalan Chen, Ke Sun, Yan Yang, Bo Gao, Hao Zheng
{"title":"Effects of biochar on the accumulation of necromass-derived carbon, the physical protection and microbial mineralization of soil organic carbon","authors":"Yalan Chen, Ke Sun, Yan Yang, Bo Gao, Hao Zheng","doi":"10.1080/10643389.2023.2221155","DOIUrl":"https://doi.org/10.1080/10643389.2023.2221155","url":null,"abstract":"","PeriodicalId":10823,"journal":{"name":"Critical Reviews in Environmental Science and Technology","volume":" ","pages":""},"PeriodicalIF":12.6,"publicationDate":"2023-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42752889","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Abstract Co-planting two or more species on the same piece of land, with overlapping time or not, has been suggested to increase both crop production and long-term sustainability. On soils that are slightly or moderately contaminated with heavy metals, hyperaccumulators have been co-planted with crops to clean the soil and produce safe agricultural products. Despite the increasing number of greenhouse experiments and field trials that investigate the co-planting mechanisms and efficiency, the consistency, stability, and applicability of this technology and its contribution to sustainability remain unclear. From published literature, we collected 118 co-planting combinations involving hyperaccumulators, and compared them with their monoculture controls. Co-planting averagely decreased the shoot arsenic concentration by ∼23.4% and cadmium by ∼13.4%. Co-planting controls the crop contamination as long as the hyperaccumulator and crop species are correctly selected, and the soil heavy metal is within the safe range. Further, a sustainability assessment criterion for the utilization of contaminated agricultural soil was proposed, taking As-contaminated soil as an example. A decision framework and a guideline for co-planting were established to aid in the decision-making. The outlook of co-planting as a sustainable solution and the future development were prospected. Graphical Abstract
{"title":"Progress and future prospects in co-planting with hyperaccumulators: Application to the sustainable use of agricultural soil contaminated by arsenic, cadmium, and nickel","authors":"Xiaoming Wan, Weibin Zeng, Wenchang Cai, Mei Lei, X. Liao, Tongbin Chen","doi":"10.1080/10643389.2023.2215684","DOIUrl":"https://doi.org/10.1080/10643389.2023.2215684","url":null,"abstract":"Abstract Co-planting two or more species on the same piece of land, with overlapping time or not, has been suggested to increase both crop production and long-term sustainability. On soils that are slightly or moderately contaminated with heavy metals, hyperaccumulators have been co-planted with crops to clean the soil and produce safe agricultural products. Despite the increasing number of greenhouse experiments and field trials that investigate the co-planting mechanisms and efficiency, the consistency, stability, and applicability of this technology and its contribution to sustainability remain unclear. From published literature, we collected 118 co-planting combinations involving hyperaccumulators, and compared them with their monoculture controls. Co-planting averagely decreased the shoot arsenic concentration by ∼23.4% and cadmium by ∼13.4%. Co-planting controls the crop contamination as long as the hyperaccumulator and crop species are correctly selected, and the soil heavy metal is within the safe range. Further, a sustainability assessment criterion for the utilization of contaminated agricultural soil was proposed, taking As-contaminated soil as an example. A decision framework and a guideline for co-planting were established to aid in the decision-making. The outlook of co-planting as a sustainable solution and the future development were prospected. Graphical Abstract","PeriodicalId":10823,"journal":{"name":"Critical Reviews in Environmental Science and Technology","volume":"53 1","pages":"2112 - 2131"},"PeriodicalIF":12.6,"publicationDate":"2023-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45361812","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-05-31DOI: 10.1080/10643389.2023.2217068
Na Luo, Yanpeng Gao, Xiaoyi Chen, Mei Wang, Xiaolin Niu, Guiying Li, T. An
Abstract Synthetic musks (SMs) have been widely used as fragrance ingredients in various daily consumer products. Due to their mass production and usage, the presence of SMs has been reported in environmental and human biological samples, raising global concerns over human health effects. This review outlines the current knowledge on human exposure pathways and internal exposure to environmental SMs. The biotransformation of SMs in humans is also highlighted. Compared to exposure through inhalation and oral ingestion pathways, dermal contact from SMs-containing personal care products is the dominant pathway, accounting for 82–93% of total human SMs daily exposure. After penetrating the skin barrier, SMs can be absorbed by the dermis, causing potential skin irritation. Regarding internal human exposure, around half of the limited studies focused on breast milk, indicating considerable risks for vulnerable global populations (e.g. pregnant women and babies). The health effects of SMs are assessed synergistically based on the existing data and our calculated toxicological predictions. SMs could induce endocrine disruption and mutagenic toxicity according to historical analysis of data. Our computational toxicology data suggested negative impacts on the cardiovascular system for the first time. However, caution should be applied when interpreting adverse health effects using the available data, as the effective toxic doses of different SMs in laboratory studies were greater than actual environmental concentrations in most cases. Based on an analysis of research progress, this review also proposed the need to study the relationship between long-term low-dose exposure and adverse human health effects in future research. Graphical abstract
{"title":"A critical review of environmental exposure, metabolic transformation, and the human health risks of synthetic musks","authors":"Na Luo, Yanpeng Gao, Xiaoyi Chen, Mei Wang, Xiaolin Niu, Guiying Li, T. An","doi":"10.1080/10643389.2023.2217068","DOIUrl":"https://doi.org/10.1080/10643389.2023.2217068","url":null,"abstract":"Abstract Synthetic musks (SMs) have been widely used as fragrance ingredients in various daily consumer products. Due to their mass production and usage, the presence of SMs has been reported in environmental and human biological samples, raising global concerns over human health effects. This review outlines the current knowledge on human exposure pathways and internal exposure to environmental SMs. The biotransformation of SMs in humans is also highlighted. Compared to exposure through inhalation and oral ingestion pathways, dermal contact from SMs-containing personal care products is the dominant pathway, accounting for 82–93% of total human SMs daily exposure. After penetrating the skin barrier, SMs can be absorbed by the dermis, causing potential skin irritation. Regarding internal human exposure, around half of the limited studies focused on breast milk, indicating considerable risks for vulnerable global populations (e.g. pregnant women and babies). The health effects of SMs are assessed synergistically based on the existing data and our calculated toxicological predictions. SMs could induce endocrine disruption and mutagenic toxicity according to historical analysis of data. Our computational toxicology data suggested negative impacts on the cardiovascular system for the first time. However, caution should be applied when interpreting adverse health effects using the available data, as the effective toxic doses of different SMs in laboratory studies were greater than actual environmental concentrations in most cases. Based on an analysis of research progress, this review also proposed the need to study the relationship between long-term low-dose exposure and adverse human health effects in future research. Graphical abstract","PeriodicalId":10823,"journal":{"name":"Critical Reviews in Environmental Science and Technology","volume":"53 1","pages":"2132 - 2149"},"PeriodicalIF":12.6,"publicationDate":"2023-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48331759","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Abstract The genome-scale metabolic model (GEM), a mathematical representation of whole-cell metabolism, enables in silico high-throughput simulations of metabolic flux distribution under different conditions. As a mechanistic and quantitative framework at the system level, GEMs have been applied to investigate microbial interactions and provide guidelines for the rational design of synthetic microbial communities that can perform the desired functions and provide novel strategies for bioremediation. Here, we review different types of microbial interactions and their research progress in environmental remediation. The detailed process of GEM reconstruction and the current main automatic reconstruction programs as well as knowledge databases are summarized. Exciting recent application studies combining metabolic models, omics, and machine learning approaches are also presented. The combination of these methods improves the predictive ability and broadens the applications of GEMs. However, extensive work is still needed to deeply understand and arbitrarily use GEMs to describe the metabolic interactions of microbial communities and apply them in pollutant biodegradation. Finally, an in-depth discussion of the current challenges and limitations of metabolic models provides us with an outlook for their future development in environmental science, especially synthetic microbiology. Graphical abstract
{"title":"Metabolic modeling of synthetic microbial communities for bioremediation","authors":"Lvjing Wang, Xiaoyu Wang, Hao Wu, Hai-xia Wang, Yihan Wang, Zhenmei Lu","doi":"10.1080/10643389.2023.2212569","DOIUrl":"https://doi.org/10.1080/10643389.2023.2212569","url":null,"abstract":"Abstract The genome-scale metabolic model (GEM), a mathematical representation of whole-cell metabolism, enables in silico high-throughput simulations of metabolic flux distribution under different conditions. As a mechanistic and quantitative framework at the system level, GEMs have been applied to investigate microbial interactions and provide guidelines for the rational design of synthetic microbial communities that can perform the desired functions and provide novel strategies for bioremediation. Here, we review different types of microbial interactions and their research progress in environmental remediation. The detailed process of GEM reconstruction and the current main automatic reconstruction programs as well as knowledge databases are summarized. Exciting recent application studies combining metabolic models, omics, and machine learning approaches are also presented. The combination of these methods improves the predictive ability and broadens the applications of GEMs. However, extensive work is still needed to deeply understand and arbitrarily use GEMs to describe the metabolic interactions of microbial communities and apply them in pollutant biodegradation. Finally, an in-depth discussion of the current challenges and limitations of metabolic models provides us with an outlook for their future development in environmental science, especially synthetic microbiology. Graphical abstract","PeriodicalId":10823,"journal":{"name":"Critical Reviews in Environmental Science and Technology","volume":"53 1","pages":"2092 - 2111"},"PeriodicalIF":12.6,"publicationDate":"2023-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46075037","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-05-11DOI: 10.1080/10643389.2023.2210985
Y. Zhu, Zhuang Yao, Xiaohui Sun, S. Du
Abstract Cadmium availability and accumulation in edible parts of plants are affected by multiple processes in the rhizosphere and plants, especially the interactions between Cd and mineral nutrients. The application of mineral nutrients in the soil could influence Cd activity through diverse processes, such as precipitation, adsorption, and competitive uptake, by sharing the same transporters/channels or chelation sites. Therefore, optimization of nutrient supply is considered an economical, efficient, and environment-friendly method for restricting Cd content in crops. In this review, the physiological and biochemical interactions between Cd and other essential elements (iron, nitrogen, phosphorus, calcium, zinc, manganese, silicon, and selenium) are discussed, providing theoretical support for developing nutrient management strategies to minimize Cd accumulation in edible parts and guarantee food safety. Graphical Abstract
{"title":"Interactions between cadmium and nutrients and their implications for safe crop production in Cd-contaminated soils","authors":"Y. Zhu, Zhuang Yao, Xiaohui Sun, S. Du","doi":"10.1080/10643389.2023.2210985","DOIUrl":"https://doi.org/10.1080/10643389.2023.2210985","url":null,"abstract":"Abstract Cadmium availability and accumulation in edible parts of plants are affected by multiple processes in the rhizosphere and plants, especially the interactions between Cd and mineral nutrients. The application of mineral nutrients in the soil could influence Cd activity through diverse processes, such as precipitation, adsorption, and competitive uptake, by sharing the same transporters/channels or chelation sites. Therefore, optimization of nutrient supply is considered an economical, efficient, and environment-friendly method for restricting Cd content in crops. In this review, the physiological and biochemical interactions between Cd and other essential elements (iron, nitrogen, phosphorus, calcium, zinc, manganese, silicon, and selenium) are discussed, providing theoretical support for developing nutrient management strategies to minimize Cd accumulation in edible parts and guarantee food safety. Graphical Abstract","PeriodicalId":10823,"journal":{"name":"Critical Reviews in Environmental Science and Technology","volume":"53 1","pages":"2071 - 2091"},"PeriodicalIF":12.6,"publicationDate":"2023-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43607179","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-05-11DOI: 10.1080/10643389.2023.2209010
Quanzhen Liu, Long Wang, Xiong Xu, Saihong Yan, Jinmiao Zha, Donghong Wang, Dan Zhu
Abstract The increasing consumption of antiepileptic drugs (AEDs) has led to their widespread presence in aquatic environments, which poses a serious threat to human health and aquatic organisms. However, there is currently lack of a review to provide basic data and research directions for future scholars. This article was carried out to summarize toxicity, analytical methods, concentrations, transformation mechanisms and fate of AEDs and their metabolites/transformation products in aquatic environments according to existing literature. AEDs and their metabolites/transformation products were widely found in surface water, groundwater and drinking water with concentrations from ng L−1-μg L−1. AEDs at environmentally relevant concentrations have affected aquatic ecosystem, and partial AEDs could commonly cause the damage of antioxidant capacity for some aquatic organisms. The transformation of AEDs was always in the direction of oxidation, and hydroxylated and ketonizated products were conductive objectives in three pathways including human body, microorganisms and water treatment processes as the difference of transformation pathways was also observed. AEDs were supposed to dominate the concentration distribution in water phase than in sediment phase due to their chemical properties. Furthermore, photolysis was a main process for AEDs in the photic zone of receiving waters. Meanwhile, the current deficiencies of AEDs research are also pointed out. It is mainly reflected in the insufficient toxicity data and incomplete transformation pathways of AEDs and their metabolites/transformation products, which will underestimate their environmental hazards. Finally, the article also pointed out that more attention should be paid to identifying transformation products combining mechanisms analysis with nontarget analysis. Graphical Abstract
{"title":"Antiepileptic drugs in aquatic environments: Occurrence, toxicity, transformation mechanisms and fate","authors":"Quanzhen Liu, Long Wang, Xiong Xu, Saihong Yan, Jinmiao Zha, Donghong Wang, Dan Zhu","doi":"10.1080/10643389.2023.2209010","DOIUrl":"https://doi.org/10.1080/10643389.2023.2209010","url":null,"abstract":"Abstract The increasing consumption of antiepileptic drugs (AEDs) has led to their widespread presence in aquatic environments, which poses a serious threat to human health and aquatic organisms. However, there is currently lack of a review to provide basic data and research directions for future scholars. This article was carried out to summarize toxicity, analytical methods, concentrations, transformation mechanisms and fate of AEDs and their metabolites/transformation products in aquatic environments according to existing literature. AEDs and their metabolites/transformation products were widely found in surface water, groundwater and drinking water with concentrations from ng L−1-μg L−1. AEDs at environmentally relevant concentrations have affected aquatic ecosystem, and partial AEDs could commonly cause the damage of antioxidant capacity for some aquatic organisms. The transformation of AEDs was always in the direction of oxidation, and hydroxylated and ketonizated products were conductive objectives in three pathways including human body, microorganisms and water treatment processes as the difference of transformation pathways was also observed. AEDs were supposed to dominate the concentration distribution in water phase than in sediment phase due to their chemical properties. Furthermore, photolysis was a main process for AEDs in the photic zone of receiving waters. Meanwhile, the current deficiencies of AEDs research are also pointed out. It is mainly reflected in the insufficient toxicity data and incomplete transformation pathways of AEDs and their metabolites/transformation products, which will underestimate their environmental hazards. Finally, the article also pointed out that more attention should be paid to identifying transformation products combining mechanisms analysis with nontarget analysis. Graphical Abstract","PeriodicalId":10823,"journal":{"name":"Critical Reviews in Environmental Science and Technology","volume":"53 1","pages":"2030 - 2054"},"PeriodicalIF":12.6,"publicationDate":"2023-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46411946","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-05-07DOI: 10.1080/10643389.2023.2209492
A. Ugya, Hui Chen, Qiang Wang
Abstract The continuous release of greenhouse gases (GHG) is negatively affecting the sustainability of the ocean as a carbon sink via acidification and ocean warming. The capture and storage of GHGs is important to reduce the long-term effects of the emissions. The use of microalgae biofilms for GHG sequestration is a promising method due to their ability to adapt to different environmental conditions and their rapid growth characteristics. The current review shows how the process of microalgae biofilm sequestration of carbon and nitrogen contributes to economic and environmental sustainability. The review shows that the use of wastewater as a medium for the cultivation of microalgae biofilm is cost effective and will increase the economic feasibility of the use of microalgae biofilm for GHG sequestration, but the dynamic nature of microalgae biofilm structure, which is directly influenced by the type of substrate, liquid flow, and environmental conditions, is a limitation. The results of the current review cannot assure that the use of microalgae biofilm is highly economically viable using techno-economic analysis due to the lack of accessible data showing the precise estimation operating expenditures and capital expenditures. The current review also shows that the use of microalgae biofilm for GHG capture will lead to environmental sustainability because the increase in availability of bioresources caused by microalgae biofilm cultivation will lead to a decrease in the world’s economic dependency on fossil resources. Graphical abstract
{"title":"Microalgae biofilm carbon and nitrogen sequestration as a tool for economic and environmental sustainability","authors":"A. Ugya, Hui Chen, Qiang Wang","doi":"10.1080/10643389.2023.2209492","DOIUrl":"https://doi.org/10.1080/10643389.2023.2209492","url":null,"abstract":"Abstract The continuous release of greenhouse gases (GHG) is negatively affecting the sustainability of the ocean as a carbon sink via acidification and ocean warming. The capture and storage of GHGs is important to reduce the long-term effects of the emissions. The use of microalgae biofilms for GHG sequestration is a promising method due to their ability to adapt to different environmental conditions and their rapid growth characteristics. The current review shows how the process of microalgae biofilm sequestration of carbon and nitrogen contributes to economic and environmental sustainability. The review shows that the use of wastewater as a medium for the cultivation of microalgae biofilm is cost effective and will increase the economic feasibility of the use of microalgae biofilm for GHG sequestration, but the dynamic nature of microalgae biofilm structure, which is directly influenced by the type of substrate, liquid flow, and environmental conditions, is a limitation. The results of the current review cannot assure that the use of microalgae biofilm is highly economically viable using techno-economic analysis due to the lack of accessible data showing the precise estimation operating expenditures and capital expenditures. The current review also shows that the use of microalgae biofilm for GHG capture will lead to environmental sustainability because the increase in availability of bioresources caused by microalgae biofilm cultivation will lead to a decrease in the world’s economic dependency on fossil resources. Graphical abstract","PeriodicalId":10823,"journal":{"name":"Critical Reviews in Environmental Science and Technology","volume":"53 1","pages":"2055 - 2070"},"PeriodicalIF":12.6,"publicationDate":"2023-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47097647","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-05-05DOI: 10.1080/10643389.2023.2206781
A. Labidi, Haitao Ren, A. Sial, Hong Wang, E. Lichtfouse, Chuanyi Wang
Abstract Over the past few years, population growth, industrial progress and climate change have led to water scarcity. Thus, water pollution caused by hazardous soluble and insoluble pollutants, such as toxic metals and phenolic compounds, has become an important problem that should be dealt with urgently. For instance, new methods have been introduced to convert low-cost raw materials (i.e. coal fly ash and coal bottom ash “wastes-to-resource”) into suitable materials for new cleaner production to achieve sustainability goals in wastewater-containing toxic metals and phenolic compounds purification. Obviously, the functionalization of coal fly ash and bottom ash enhances the ability of coal ash-based entities as potential materials in wastewater remediation technologies. Here, we review the application of coal ashes, including coal bottom ash and fly ash-based materials for toxic metals and phenolic compounds removal. We also examine their structural properties and functionalization to enhance their affinities toward these pollutants in aqueous environment. Even though each process has its own benefits and limitations, coal ash-based materials appear promising for the removal of toxic metals and phenolic compounds using adsorption, membrane filtration, and photocatalysis. Overall, the study on the availability of coal fly ash and bottom ash for wastewater treatment have resulted in high removal efficiencies for toxic metals and phenolic compounds. In the future, new recycling methods for coal ashes as new water purification agents should be further studied and advanced processes should be investigated in order to achieve wastewater remediation purposes. Graphical abstract
{"title":"Coal ash for removing toxic metals and phenolic contaminants from wastewater: A brief review","authors":"A. Labidi, Haitao Ren, A. Sial, Hong Wang, E. Lichtfouse, Chuanyi Wang","doi":"10.1080/10643389.2023.2206781","DOIUrl":"https://doi.org/10.1080/10643389.2023.2206781","url":null,"abstract":"Abstract Over the past few years, population growth, industrial progress and climate change have led to water scarcity. Thus, water pollution caused by hazardous soluble and insoluble pollutants, such as toxic metals and phenolic compounds, has become an important problem that should be dealt with urgently. For instance, new methods have been introduced to convert low-cost raw materials (i.e. coal fly ash and coal bottom ash “wastes-to-resource”) into suitable materials for new cleaner production to achieve sustainability goals in wastewater-containing toxic metals and phenolic compounds purification. Obviously, the functionalization of coal fly ash and bottom ash enhances the ability of coal ash-based entities as potential materials in wastewater remediation technologies. Here, we review the application of coal ashes, including coal bottom ash and fly ash-based materials for toxic metals and phenolic compounds removal. We also examine their structural properties and functionalization to enhance their affinities toward these pollutants in aqueous environment. Even though each process has its own benefits and limitations, coal ash-based materials appear promising for the removal of toxic metals and phenolic compounds using adsorption, membrane filtration, and photocatalysis. Overall, the study on the availability of coal fly ash and bottom ash for wastewater treatment have resulted in high removal efficiencies for toxic metals and phenolic compounds. In the future, new recycling methods for coal ashes as new water purification agents should be further studied and advanced processes should be investigated in order to achieve wastewater remediation purposes. Graphical abstract","PeriodicalId":10823,"journal":{"name":"Critical Reviews in Environmental Science and Technology","volume":"53 1","pages":"2006 - 2029"},"PeriodicalIF":12.6,"publicationDate":"2023-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46864689","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-04-20DOI: 10.1080/10643389.2023.2202105
Noboru Masui, K. Shiojiri, Evgenios Agathokleous, A. Tani, T. Koike
Abstract Plant volatiles, particularly biogenic volatile organic compounds (BVOCs), emitted in urban areas have attracted attention as olfactory signals between plants and other organisms, including insects. However, in urban areas, elevated ozone (O3) levels inhibit plant growth and degrade olfactory signals, including both insect pheromones and BVOCs, resulting in disrupted biological communication. In this article, we review recent findings on how O3 modifies olfactory interactions, focusing on both the emitters and receivers of these signals. The influence of O3 on herbivorous insects and their enemies alters the pressure caused by herbivorous damage in the field, which can affect the development of the defensive capacities of plants at the hereditary level. To address the challenges posed by O3 in biological interactions, BVOC characteristics (e.g., emission rate and species, blend composition, O3 reactivity, and oxidative products) and O3 effects on insects (e.g., preference and antennal detectivity) should be clarified. At the same time, BVOC emissions are expected to increase with rising temperatures, which will likely increase the impact of BVOCs on O3 formation in the future. Therefore, it is necessary to devise strategies, such as selecting non- or low BVOC emitters, to regulate BVOC emissions from urban greening plants and mitigate O3 risks to olfactory interactions and plant health. Graphical Abstract
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