生物接触氧化法处理腈纶废水研究  

Study on Treatment of Acrylic Fiber Wastewater by Biological Contact Oxidation Processes

作　　者：刘飞[1] 蒯乃明[1] 王馨[1] 祝鹏飞[1] 葛茜[1] 

机构地区：[1]淮北师范大学资源植物学安徽省重点实验室,安徽235000

出　　处：《环境与发展》2011年第9期80-81,101,共3页Environment & Development

基　　金：安徽省高校省级自然科学项目(KJ2010B191;KJ2011Z3250)

摘　　要：腈纶废水中含有氰化物、单体聚合物等有毒有害物质,碱性氧化法、酸性回收法等处理含氰废水,难以达到国家排放标准。上海某腈纶厂采用硫氰酸钠一步法和二步法湿纺工艺生产腈纶,废水处理采用"加药混凝沉淀法+生物接触氧化法",氰化物、氨氮、COD、BOD5去除率分别为94.5%、89.9%、88.2%、97%,达到污水综合排放一级标准。Acrylic wastewater contains cyanide,monomer polymer which are toxic or harmful.It is difficult to meet the national emission standard when the cyanogens-contained waste water is purified by alkaline oxidation and acid recycling.A certain Acrylic Plant of Shanghai produces Acrylic Fiber by NaSCN wetspinning technology including one-step and two-step processes,with wastewater treatment by ＇＇the way of coagulating sedimentation ＋ biological contact oxidation processes＇＇,and the removal rate of Cyanide,ammonia nitrogen,COD,BOD5 are respectively 94.5%,89.9%,88.2% and 97%,which comes up to the first-grade of integrated wastewater discharge standard.

关 键 词：含氰废水 二段生物接触氧化法 腈纶 混凝 

分 类 号：X172[环境科学与工程—环境科学]