改良型UASB反应器处理城市垃圾渗滤液的研究  

Study on Treatment of Landfill Leachate by Modified UASB Reactor

作　　者：赵群英[1,2] 王俞舒 王晓昌[1] 

机构地区：[1]西安建筑科技大学环境与市政工程学院,陕西西安710055 [2]西安工业大学建筑工程学院,陕西西安710032 [3]北京中色建设工程有限公司,北京100073

出　　处：《中国给水排水》2012年第11期87-89,共3页China Water & Wastewater

基　　金：西安工业大学校长基金资助项目(XAGDXJJ200721)

摘　　要：普通的UASB反应器在处理城市垃圾渗滤液时,出水氨氮值普遍高于进水氨氮值,不利于后续好氧生物反应器对氮的去除。在普通UASB反应器内添加填料,并采用出水循环的进水方式可改善UASB反应器的性能。试验结果表明:经上述方式改良的UASB反应器可有效去除垃圾渗滤液中的有机物及氮,并且具有启动时间短、抗负荷冲击能力强、容积负荷高的特点。The ammonia nitrogen concentration was higher in the effluent than in the influent when treating landfill leaehate in the conventional UASB reactor, unfavorably affecting nitrogen removal in the following aerobic bioreactor. The UASB performance was improved by adding a carrier in the conventional UASB reactor and recycling the effluent stream. Experimental results showed that the improved UASB re- actor could effectively remove organic matters and nitrogen from landfill leachate. Short start-up time, strong resistance to impact load and high volume loading were observed.

关 键 词：垃圾渗滤液 UASB反应器 填料 出水循环 

分 类 号：X703[环境科学与工程—环境工程]