Department of Bioenvironmental Engineering and R&D Center for Membrane Technology, Chung Yuan Christian University, 200 Chung Pei Road, Chungli 32023, Taiwan, ROC.
J Hazard Mater. 2010 May 15;177(1-3):1112-8. doi: 10.1016/j.jhazmat.2010.01.036. Epub 2010 Jan 13.
Three different types of advance treatment methods were evaluated for the degradation of Reactive Black 5 (RB5). The performance of two stage anaerobic SBR-aerobic MBR, anaerobic MBR with immobilized and suspended biocells and an integrated membrane photocatalytic reactor (MPR) using slurry UV/TiO(2) system were investigated. The results suggest that, nearly 99.9% color removal and 80-95% organic COD and TOC removal can be achieved using different reactor systems. Considering the Taiwan EPA effluent standard discharge criteria for COD/TOC, the degree of treatment achieved by combining the anaerobic-aerobic system was found to be acceptable. Anew, Bacilluscereus, high color removal bacterium was isolated from Anaerobic SBR. Furthermore, when this immobilized into PVA-calcium alginate pellets, and suspended in the anaerobic MBR was able to achieve high removal efficiencies, similar to the suspended biocells system. However, the immobilized cell Anaerobic MBR was found to be more advantageous, due to lower fouling rates in the membrane unit. Results from slurry type MPR system showed that this system was capable of mineralizing RB5 dyes with faster degradation rate as compared to other systems. The reactor was also able to separate the catalyst effectively and perform efficiently without much loss of catalyst activity.
评价了三种不同类型的预处理方法对活性黑 5（RB5）的降解效果。研究了两段式厌氧 SBR-好氧 MBR、厌氧 MBR 固定化和悬浮生物细胞以及使用浆料 UV/TiO(2)系统的集成膜光催化反应器（MPR）的性能。结果表明，使用不同的反应器系统可以实现近 99.9%的脱色和 80-95%的有机 COD 和 TOC 去除。考虑到台湾环保署的排放标准，发现结合厌氧-好氧系统的处理程度是可以接受的。从厌氧 SBR 中分离出一种新的、高脱色的芽孢杆菌。此外，当将其固定在 PVA-海藻酸钠颗粒中并悬浮在厌氧 MBR 中时，能够实现高效率的去除，类似于悬浮生物细胞系统。然而，固定化细胞厌氧 MBR 由于在膜单元中的结垢率较低，因此更具优势。浆料型 MPR 系统的结果表明，与其他系统相比，该系统能够更快地矿化 RB5 染料。该反应器还能够有效地分离催化剂，并且在没有催化剂活性大量损失的情况下高效运行。
