投加有效微生物强化CAST反应器处理含盐废水  

Enhanced Treatment of Salinity Wastewater in CAST Reactor with Effective Microbes

作　　者：张雨山[1] 王静[1] 任华峰[1] 成玉[1] 张晓青[1] 张爱君[1] 赵谨[1] 

机构地区：[1]国家海洋局天津海水淡化与综合利用研究所,天津300192

出　　处：《中国给水排水》2012年第1期81-83,87,共4页China Water & Wastewater

基　　金：中央级公益性科研院所基本科研业务费专项资金资助项目(K-JBYWF-2010-G10);国家科技支撑计划项目(2006BAB03A08)

摘　　要：将4株耐盐净污菌引入到循环式活性污泥法(CAST)反应器中,构成新型的生物强化CAST含盐废水处理系统。试验表明,在8 h的周期运行工艺中,当耐盐净污菌形成稳定的优势菌群后,可显著提高CAST对COD的去除率,去除率达到90%以上,提高了20%左右;生物强化CAST也具有一定的脱氮除磷能力,其对氨氮的去除率为95%左右、对总氮的去除率为65%左右、对总磷的去除率在30%～75%之间。生物强化CAST主反应池的MLSS值在2 500～4 500 mg/L之间变化。Four halotolerant bacterial strains were added into cyclic activated sludge technology （CAST） reactor to develop a new-type biologically enhanced salinity wastewater treatment system. The experimental results demonstrate that when the halotolerant bacteria are predominant in the CAST reactor, the removal rate of COD is more than 90% during 8 h operating cycle, with an increase by 20%. In addition, the removal rates of NH4^＋ -N, TN and TP in the CAST reactor are 95% , 65% and 30% to 75% respectively. The MLSS is between 2 500 mg/L and 4 500 mg/L.

关 键 词：含盐废水 循环式活性污泥法 耐盐菌 

分 类 号：X703[环境科学与工程—环境工程]