2Tanaka K, Sumina T, Nakamura H et al. Application of nitrification by cells immobilized in polyethylene glycol. Prog.Biotechnol. , 1996, 11 (immobilized cells): 622-632
3中村.固定化生物脱氮研究[J].公害与对策,1987,22(2):27-30.
4Uemoto H, Saiki H. Behavior of immobilized nitrosomonas europaea and paracoccus denitrificans in tubular gel for nitrogen removal in wastewater. Prog. Biotechnol. , 1996,11 (immobilized cells) :695-701
5Kokufuta E, Shimohashi M, et al. Simultaneously occurring nitrification and denitrification under oxygen gradient by polyelectrolyte complex-coimmo-bilized Nitrosomonas europaea and Paracoccus denitri ficans cells. Biotechnol. &Bioeng. ,1988, 31(4): 382-384
6Lettinga G, et al. Use of the UASBR concept for biological WWT, especially for anaerobic treatment. Biotechnol. &Bioeng. , 1980, 22:699-734
7De Beer D, et al. Microelectrode measurements in nitrifying aggregates. Appl. Env. Microbiol., 1993, 59:573-579
8Morgenroth E, et al. Aerobic granulation in a sequencing batch reactor. War. Res., 1997, 31(12): 3191-3194
9Beun J J,et al. Aerobic granulation in a sequencing batch reactor. Wat. Res., 1999, 33(10): 2283-2290
