硫酸盐还原菌处理含重金属酸性废水的研究

Research on Treating Acid Wastewater Containing Heavy Metal by Sulphate-Reducing Bacteria

硫酸盐还原菌(SRB)是一类能利用硫酸盐或者其他氧化态硫化物作为电子受体来异化有机物质的严格厌氧菌,在厌氧废水处理方面极具潜力。阐述了SRB处理废水中有机物及重金属离子的机理,综述了国内外利用SRB处理重金属离子废水的研究进展。最后总结了目前在工程应用方面尚存在的问题。

Sulphate-reducing bacteria are a kind of strictly anaerobic bacteria which can use sulfate and other oxidation state sulfides as electron acceptors to dissimilate organism. SRB have great potential in term of anaerobic wastewater treatment. The SRB mechanism for wastewater organ- ism and heavy metals treatment was introduced, the applications of SRB on the treatment of heavy metal wastewater at home and abroad was re- viewed. At last, the current problems in engineering application were summarized.