生物修复
微生物
环境化学
环境科学
重金属
金属
环境工程
污染
化学
生物
细菌
生态学
遗传学
有机化学
出处
期刊:Advances in environmental engineering and green technologies book series
日期:2020-07-28
卷期号:: 19-35
被引量:5
标识
DOI:10.4018/978-1-7998-4888-2.ch002
摘要
Heavy metal pollution is a growing environmental concern due to the increase in anthropogenic-based sources. Microorganisms have high adsorptive capacities and surface-area-to-volume ratio that enable the uptake of these contaminants and their conversion to innocuous complexes in the process of bioremediation. This chapter explores the mechanisms and specific microorganisms that are resistant to metal toxicity. A wide range of bacterial, algae, and fungal species used as biosorbents are highlighted. Mechanisms such as reduction of metal cations, their sequestration, and binding on cell barriers are discussed. To optimise the efficacy of microorganisms in bioremediation processes, adoption of genetic and nano-technologies is recommended.
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