高浓度难降解乳化废水湿式氧化影响因素研究.pdf

文档介绍：环境科学研究
第 l7 卷第 2 期 Research of EnvironmentaI Sciences ,,2004
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高浓度难降解乳化废水湿式氧化影响因素研究
曾新平l,唐文伟2,赵建夫3,顾国维3,倪亚明2
(l. 同济大学生命科学与技术学院,上海 200092;2. 同济大学化学系,上海 200092;
3. 同济大学污染控制与资源化研究国家重点实验室,上海 200092)
摘要:在高压间歇反应釜中,系统地研究了湿式氧化对乳化液废水的, 去除效果及影响因素。研究表明:温度是影响湿式氧化效果的
2 L CODCr TOC
关键因素,湿式氧化温度以为宜,进水质量浓度为时反应, 和去除率分别达, ;供氧不足氧化受到
220 C CODCr 48 000 mg / L 2 h CODCr TOC % %
显著限制,供氧量以( )( )!为宜;该法在较宽浓度范围内仍具有良好的处理效果;进水值对有机物氧化影响较小。
~ ! O2 pH
关键词:乳化液废水;湿式氧化;温度;供氧量;pH
中图分类号:,X76 文献标识码:A 文章编号:l00l - 692(9 2004)02 - 0038 - 04
Study on lnfluence Factors of Wet Air Oxidation of Highly
Concentrated Emulsification Wastewater
ZENG Xin-pingl,TANG Wen-wei2,ZHAO Jian-fu3,GU Guo-wei3,NI Ya-ming2
(l. SchooI of Life Science and TechnoIogy,Tongji University,Shanghai 200092;2. Department of Chemistry,Tongji University,
Shanghai 200092,China;3. State Key Laboratory of PoIIution ControI and Resource Reuse,Tongji University,Shanghai 200092,China)
Abstract:A systematic study on wet air oxidation(WAO)of highIy concentrated emuIsification wastewater was performed in a 2 L high-pressure
, ,
batch autocIave with emphasis on the removaI effect of CODCr TOC and infIuence factors. The experimentaI resuIts indicated that the temperature was
, ( )
the key factor and the best feasibIe temperature