华东理工大学学报：自然科学版2012，Vol.38Issue(1)：53-58,6.
用磷酸铵镁沉淀法对剩余污泥超声波处理上清液的磷回收研究
Phosphorus Recovery by Magnesium Ammonium Phosphate from Sonicated Waste Activated Sludge Supernatant
摘要
Abstract
During reduction of waste activated sludge（WAS） by sludge disintegration,many organic,nitrogen and phosphorus constituents of WAS would be dissolved and released into sludge supernatant.Effective recovering of phosphorus will benefit to stable performance of municipal biological treatment,reuse of WAS and alleviation phosphorus resources shortage.In this paper,phosphorus recovery from sonicated WAS supernatant by magnesium ammonium phosphate（MAP） sedimentation process was carried out and studied.Through the single factor experiment,the optimal reaction conditions was determined finally,which was： pH was 9.70,reaction time was 10 min,n（Mg2＋）/n（PO3-4-P） was 1.5.Under the optimal conditions,the recovery rates of TP and PO3-4-P by MAP reached 83.2%、96.3%,respectively,meanwhile,partial organics and nitrogen also were removed.关键词
磷酸铵镁/剩余污泥/超声波/磷回收Key words
magnesium ammonium phosphate/waste activated sludge/ultrasound/phosphorus recovery分类
资源环境引用本文复制引用
王晓霞,吕树光..用磷酸铵镁沉淀法对剩余污泥超声波处理上清液的磷回收研究[J].华东理工大学学报：自然科学版,2012,38(1):53-58,6.基金项目
国家自然科学基金 （）
