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首页> 外文期刊>Journal of Applied Life Sciences International >A Review on Biosorption of Potentially Toxic Metallic Pollutants from Wastewaters by Bacterial Adsorbents
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A Review on Biosorption of Potentially Toxic Metallic Pollutants from Wastewaters by Bacterial Adsorbents

机译：细菌吸附剂对废水中潜在有毒金属污染物的生物吸附研究进展

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摘要

Nowadays potentially toxic metal removal from the environment, particularly wastewater, is moving from the use of conventional techniques to the use of biosorption, which utilizes diverse natural materials of biological basis, including bacteria, fungi, algae and yeast, for the binding and concentration of these metal ions or other pollutants. These biomaterials contain functional groups such as hydroxyl, carboxyl, amido and sulphydryl, which make it feasible for them to attach potentially toxic metal ions from wastewaters. The binding mechanism involved in biosorption process has been found to be quite complex. It consists of several phenomena comprising precipitation, physical adsorption, complexation and ion-exchange. The binding mechanism between the potentially toxic metal ions and these biosorbents will be discussed, including the key functional groups implicated in metal binding process.
机译：如今，从环境中去除潜在的有毒金属，特别是废水，正从使用常规技术转向使用生物吸附法，该方法利用多种生物基础天然物质（包括细菌，真菌，藻类和酵母菌）来结合和浓缩生物。这些金属离子或其他污染物。这些生物材料包含羟基，羧基，酰胺基和巯基等官能团，这使它们可以附着废水中的潜在有毒金属离子。已经发现参与生物吸附过程的结合机制非常复杂。它由几种现象组成，包括沉淀，物理吸附，络合和离子交换。将讨论潜在毒性金属离子与这些生物吸附剂之间的结合机理，包括与金属结合过程有关的关键官能团。

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