Grading treatment process of cyanidation tail slag sulphur separation system water

The invention belongs to the technical field of waste water treatment, and particularly relates to a grading treatment process of cyanidation tail slag sulphur separation system water. By aiming at the characteristics of cyanogen containing, high salt, high COD and the like of the cyanidation tail s...

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Hauptverfasser: LUAN DONGWU, WANG BINGWEI, WEN YONGJIE, LU JIANGSHANG, REN GUOPENG, FENG JINMIN, DONG XIN, JI PING, GAO JUNLEI, WANG JIANGUANG, XU XUEJIA, PENG JIANPING, WANG CHUNGUANG, WU FENG, WENG ZHANBIN, LUAN ZUOCHUN
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:The invention belongs to the technical field of waste water treatment, and particularly relates to a grading treatment process of cyanidation tail slag sulphur separation system water. By aiming at the characteristics of cyanogen containing, high salt, high COD and the like of the cyanidation tail slag sulphur separation system water, the combined processes of ozone oxidization, film deslating, MVR evaporation and the like are used for grading treatment; the simultaneous removal of various contaminants can be realized; firstly, the sulphur separation system water is subjected to cyanide breaking; water reaching the reuse requirements returns to the sulphur separation system to be cyclically used; water in the liquid increase part is subjected to deep treatment; the salt content and the CODin the water are eliminated; the standard reaching outward discharging is performed. 本发明属于废水处理技术领域,尤其涉及种氰化尾渣选硫系统水的分级处理工艺。本发明针对氰化尾渣选硫系统水含氰、高盐、高COD等特点,采用"臭氧氧化+膜脱盐+MVR蒸发"等联合工艺进行分级处理,实现多种污染物的同时脱除;先将选硫系统水破氰,达到回用要求的水返回选硫系统,循环使用;涨液