净水技术2024，Vol.43Issue(6)：106-111,144,7.DOI:10.15890/j.cnki.jsjs.2024.06.012
污水中阴离子表面活性剂的影响及去除
Influence and Removal of Anionic Surfactants in Waste water
黄伟 1韩晓宇 1陈江荣 1姚富森 1黎方铃 1陈默 1蒙晓琴 2李晓林3
作者信息
- 1. 重庆三峡水土排水有限公司,重庆 401122
- 2. 重庆市农业生态与资源保护站,重庆 401120
- 3. 西南大学化学化工学院,重庆 400715
- 折叠
摘要
Abstract
This paper systematically studied the effect of sodium dodecyl benzene sulfonate(SDBS),a widely used anionic surfactant,on the removal of pollutants[ammonia nitrogen,total phosphorus(TP),and nitrate nitrogen]in biological ponds,as well as the selection of different coagulants[polyaluminum chloride(PAC),aluminum sulfate(AS),polyferric sulfate(PFS),and ferric chloride(FeCl3)]for SDBS removal efficiency and optimal dosing sites.The experimental results showed that the removal rates of ammonia nitrogen and TP significantly decreased with the increase of SDBS concentration.SDBS had a significant inhibitory effect on the removal of the above two pollutants,while SDBS had little effect on the removal of nitrate nitrogen.Through further experiments,it was found that FeCl3 as a coagulant could more effectively remove SDBS.When the optimal mass ratio of FeCl3 to SDBS was 3:1,the removal rate of SDBS could reach 78.3％.The addition of FeCl3 to the lift pump station,the outlet of the primary sedimentation tank,and the external reflux had a significant removal effect on SDBS,but the optimal removal efficiency was achieved when adding FeCl3 to the outlet water of the primary sedimentation tank.关键词
污水处理/阴离子表面活性剂/生化池/混凝沉淀法/混凝剂Key words
wastewater treatment/anionic surfactant/biochemical pool/coagulation and sedimentation/coagulant分类
环境科学引用本文复制引用
黄伟,韩晓宇,陈江荣,姚富森,黎方铃,陈默,蒙晓琴,李晓林..污水中阴离子表面活性剂的影响及去除[J].净水技术,2024,43(6):106-111,144,7.
