染料酸性橙Ⅱ生产废水处理工艺  

Extraction and Stripping of Acid Orange Ⅱ Wastewater

作　　者：陈仕华[1] 祝万鹏[1] 苍郁 李中和[1] 杨志华[1] 胡文庆 

机构地区：[1]清华大学环境科学与工程系,北京100084 [2]河北省环境保护科学研究所,石家庄052360

出　　处：《环境科学》2000年第1期90-93,共4页Environmental Science

基　　金：国家"九五"科技攻关项目

摘　　要：以天津某染化厂的酸性橙Ⅱ废水为研究对象，利用Ｎ２３５－煤油－Ｈ２ＳＯ４－ＮａＯＨ的萃取－反萃取体系，通过静态杯皿实验，确定了萃取－反萃取过程的最佳工艺参数，使萃取效率可达９０％ ，出水ＣＯＤ值可降低到３５０ｍ ｇ／Ｌ；酸性橙Ⅱ废水的有机成分总浓缩倍数达２５～４０倍；废水的萃余液经二次萃取法和混凝沉淀法处理后，出水的ＣＯＤ值＜ ２００ｍ ｇ／Ｌ，色度＜ ８０倍。The process of resource recovery from the acid orange Ⅱ wastewater discharged by a plant in Tianjin was researched by using the extraction and back\|extraction system,which is made up of N 235 H 2SO 4 NaOH According to a series of batch tests,the optimum process parameters were obtained The extraction efficiency is more than 90 percent,and the COD of the effluent is 350mg/L The total valuble organic substances in the acid orange Ⅱ wastewater is concentrated 25～50 times After the secondary extraction process and the coagulation precipitation process,COD in the effluent is less than 200mg/L,and the value of color is less than 80,reaching the Industrial Wastewater Discharge Standards of Tianjin

关 键 词：酸性橙Ⅱ 萃取 反萃取 三烷基胺 染料 废水处理 

分 类 号：X789.03[环境科学与工程—环境工程]