铬渣治理技术的应用进展及特点分析

Application Developments and Characteristics Analysis of Treatment Technologies of Chromium Residues

铬渣产量大、毒性强,严重污染环境并危及人体健康。介绍了常用铬渣治理技术的工作原理、技术特点及工程应用现状,归纳总结了各种技术的优缺点及适用条件,提出了铬渣处理处置技术的选取应因地制宜,综合考虑经济成本、是否有可利用的设施、周边敏感区域及处理渣的出路等因素。

Chromium residue has large production and heavy toxicity, it is very hazardous to human health and ecological environment. The working principles, technical characteristics and engineering application situation of common treatment technologies of chromium residues, including wet-process detoxication technology and dry-process detoxication technology are introduced. The advantages and disadvantages of these technologies and the applicable conditions are summarized. The selection of treatment technology of chromium residues should be considered according to factors including treatment cost, available facilities, environmental sensitive area, the outlet of the treated residues and so on.