脱氮生物滴滤塔中甲醛和硫化物的脱除  

Removal of formaldehyde and S^(2-) in a denitrification diotrickling filter

作　　者：屈溁敏 张雪梅[1] 张卫江[1] 徐姣[1] 

机构地区：[1]天津大学化工学院,天津300072

出　　处：《现代化工》2014年第11期112-114,共3页Modern Chemical Industry

基　　金：国家自然科学基金项目(21106098)

摘　　要：在生物滴滤塔脱除NO的过程中,废水中的甲醛和S2-作为微生物的营养物质被脱除。研究了S2-、甲醛/S2-值及NO对甲醛脱除的影响;甲醛、甲醛/S2-值及NO对S2-脱除的影响。S2-对甲醛的脱除有促进作用,且甲醛的脱除率随甲醛/S2-值的减小而增加。NO抑制甲醛的脱除。NO和甲醛对S2-的脱除无影响。生物滴滤塔能同时有效的脱除NO、S2-和甲醛。The removal of formaldehyde and S^2- as the nutrients of microorganism is performed during the NO removal process in a biotrickling filter. The effects of S^2- , formaldehyde/S^2- ratio and NO on formaldehyde removal are determined. The effects of formaldehyde, formaldehyde/S^2 - ratio and NO on the removal of S^2 - are also tested. It suggests that the formaldehyde removal is facilitated by S^2- and increases with the decreasing formaldehyde/S^2- ratio, but is inhibited by NO. NO and formaldehyde have no effect on S^2- removal. This biotrickling filter can effectively remove NO, S^2- and formaldehyde at the same time.

关 键 词：甲醛 S^2- 废水 生物滴滤塔 

分 类 号：X52[环境科学与工程—环境工程]