膜生物反应器处理油脂废水的研究  

A membrane bioreactor for oil-containing wastewater treatment

作　　者：刘新基[1] 李树[1] 雷霆[2] 洪曼[1] 

机构地区：[1]中国农业机械化科学研究院,北京100083 [2]清华大学环境科学与工程系,环境模拟与污染控制国家重点联合实验室,北京100084

出　　处：《中国油脂》2012年第8期73-76,共4页China Oils and Fats

摘　　要：采用膜生物反应器对油脂废水进行强化处理。试验结果表明:膜生物反应器对油脂废水中的化学需氧量(COD)、油、总有机碳(TOC)、氨氮和生化需氧量(BOD5)的平均去除率分别为85.2%、93.8%、88.4%、51.3%和97.5%,相应的平均出水含量为233.6、310.1、95.7、3.9 mg/L和22.6 mg/L;氨氮和BOD5达到国家污水综合排放一级标准(GB 18918—2002)。在考察膜通量对膜污染的潜势中发现,随着膜通量的提高,跨膜压差(TMP)增加的较快,通过将膜通量降低到8 LMH以下,TMP得以稳定,维持在2～6 kPa之间。Enhanced treatment of oil wastewater by membrane bioreactor was studied. The results showed that the average removal rates of COD, oil, TOC, ammonia and BOD5 in oil wastewater by membrane biore- actor were 85.2% ,93.8% ,88.4% ,51.3% and 97.5%, and the effluent contents of these indicators were 233.6,310.1,95.7,3.9 mg/L and 22.6 mg/L. Ammonia and BOD5 in the effluent met the first grade of National Wastewater Discharge Standard （ GB 18918--2002）. Meanwhile, the transmembrane pressure （TMP） increased rapidly with the increase of membrane flux. By reducing membrane flux to be- low 8 LMH, the TMP maintained between 2 -6 kPa.

关 键 词：油脂废水 膜生物反应器 膜污染 

分 类 号：TS228[轻工技术与工程—粮食、油脂及植物蛋白工程] X703.1[轻工技术与工程—食品科学与工程]