Guo Wenshan, Vigneswaran Saravanamuthu, Ngo Huu-Hao, Xing Wen, Goteti Pavan
Faculty of Engineering, University of Technology, PO Box 123, Sydney, Broadway, NSW 2007, Australia.
Bioresour Technol. 2008 Mar;99(5):1012-7. doi: 10.1016/j.biortech.2007.03.012. Epub 2007 May 11.
This study focuses on comparing the performance of submerged membrane bioreactor (SMBR) and submerged membrane adsorption bioreactor (SMABR) over a period of 20 days at a hydraulic retention time (HRT) of 3.1h. The effects of PAC on critical flux and membrane fouling were also investigated. The SMABR exhibited better results in terms of mixed liquor suspended solids (MLSS) growth, DOC removal (over 96%), COD removal (over 95%), transmembrane pressure (TMP) and oxygen uptake rate. Nearly 100% of bacteria and 100% of total coliforms were removed in both systems. The addition of PAC could maintain the critical flux at a lower TMP value (7.5 kPa), while irreversible fouling caused by PAC occurred when the filtration flux exceeded critical flux.
本研究聚焦于在水力停留时间（HRT）为3.1小时的情况下，比较浸没式膜生物反应器（SMBR）和浸没式膜吸附生物反应器（SMABR）在20天内的性能。同时还研究了粉末活性炭（PAC）对临界通量和膜污染的影响。在混合液悬浮固体（MLSS）增长、溶解性有机碳（DOC）去除（超过96%）、化学需氧量（COD）去除（超过95%）、跨膜压力（TMP）和氧摄取率方面，SMABR表现出更好的结果。在两个系统中，近100%的细菌和100%的总大肠菌群都被去除。添加PAC可在较低的TMP值（7.5 kPa）下维持临界通量，而当过滤通量超过临界通量时，会发生由PAC导致的不可逆污染。
