Cynide Wastewater containing high concentration of 3%cynide and a variety of heavy metals is usually produced in the electro-plating and metal finishing processes.
电镀和表面处理工艺过程中常产生含氰浓度高达3％的废液，其中还含有各种重金属。
Biosorption, which USES biological materials as adsorbents, has been considered as an alternative method of wastewater treatment, especially for those with low concentration of heavy metals.
生物吸附法是处理较低浓度重金属废水的高效廉价的好方法之一。
The high concentration of heavy metal ion from landfill leachate restrains the growth and metabolize of microorganism badly in bio-chemical treatment of wastewater.
垃圾渗滤液中的高浓度重金属离子严重抑止了废水生化处理过程中微生物的生长与代谢。
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