Microbial technologies for heavy metal remediation: effect of process conditions and current practices

Shulbhi Verma; Pankaj Bhatt; Amit VermaHarish MudilaParteek PrasherEldon R. Rene

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Microbial technologies for heavy metal remediation: effect of process conditions and current practices

机译：Microbial technologies for heavy metal remediation: effect of process conditions and current practices

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Heavy metal (HM) contamination is a persisting environmental problem in many countries. The major sources of soil contamination due to heavy metals (HMs) include pesticides, organic compounds, paints, waste generation by industrial (including small and medium enterprises) and mining activities. The remediation of soils contaminated with HMs is essential, given the fact that the latter causes direct and indirect damage to living organisms and the environment. There have been efforts to tackle the indefinite persistence of HMs in the soil for a long time; however, the problem persists due to a surge in HM utilization and lack of proper technologies for their eradication. To prevent HM contamination in the environment, novel, resilient ecotechnologies are necessary to remove and recover HMs from contaminated water and soil environments. Microbial bioremediation offers a cost-effective solution for the treatment of environmental sites contaminated with HMs. Microbes have the capacity to degrade environmental pollutants through their metabolic activity. Microbial degradation of HMs proceeds through diverse processes, such as biosorption, bioleaching, biomineralization, biotransformation and intra-cellular accumulation. The use of genetically modified microorganism with increased bioremediation potential, biomining using hybrid technologies and omics-based approaches is helpful to explore the realms of HM bioremediation. The implementation of these (bio) technologies has assisted in restoring soil contaminated by HMs and in protecting the environment. This review compiles information on the recent advances and applications of microbe-mediated bioremediation of soils contaminated with HMs.

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《Clean technologies and environmental policy》 |2023年第5期|1485-1507|共23页
作者
Shulbhi Verma; Pankaj Bhatt; Amit VermaHarish MudilaParteek PrasherEldon R. Rene;
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作者单位

Department of Biotechnology, Sardarkrushinagar Agricultural University, NH 8, Sardarkrushinagar, Dantiwada Taluka, Banaskantha District, Satsan, Gujarat 385506, India;

State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou 51;

Department of Biochemistry, Sardarkrushinagar Agricultural University, NH 8, Sardarkrushinagar, Dantiwada Taluka, Banaskantha District, Satsan, Gujarat 385506, IndiaDepartment of Chemistry, Lovely Professional University, Jalandhar - Delhi, Grand Trunk Rd, Phagwara, Punjab 144001, IndiaDepartment of Chemistry, UPES, Bidholi, Prem Nagar, Dehradun, Uttarakhand 248007, IndiaDepartment of Water Supply, Sanitation and Environmental Engineering, IHE Delft Institute for Water Education, Westvest 7, 2611 AX Delft, The Netherlands;

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正文语种英语
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Heavy metal pollution; Bioremediation; Microorganism; Biotechnologies; Practical applications;

Microbial technologies for heavy metal remediation: effect of process conditions and current practices

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