摘要
基于国内外研究文献,简要论述了吸附法、微电解-混凝沉淀法、化学沉淀法在废水中汞离子的去除中的应用,针对燃煤电厂脱硫废水处理现有的工艺条件,提出螯合沉淀法去除其中的汞离子,并列举出了新的重金属螯合剂的特点及其研究现状。其中DTCR作为新型的重金属螯合剂去除汞离子等重金属离子不但具有最高的效率而且其他离子对于DTCR去除汞离子影响最小。
Based on the research literature at home and abroad,the adsorption method,micro electrolysis-coagulation precipitation, chemical precipitation of mercury removal in wastewater were discussed, aiming at desulfurization in coal-fired power plant waste water treatment of the existing process conditions,chelating precipitation to remove mercury ion was put forward,and the characteristics and research status of new heavy metal chelating agent were studied. The DTCR,as a new type of heavy metal chelating agent to remove mercury ions,has the highest efficiency and other heavy metal ions for DTCR removal of mercury ions minimal impact.
出处
《广州化工》
CAS
2015年第21期54-56,共3页
GuangZhou Chemical Industry
关键词
汞离子脱除
脱硫废水
研究进展
mercury ion removal
desulphurization wastewater
research progress
