References
- Azhar , N. G. and Stuckey , D. C. 1994 . The influence of chemical structure on the anaerobic catabolism of refractory compounds: a case study of refractory wastes . Water Sci. Technol. , 30 : 223 – 232 .
- Brond , S. and Sund , C. 1994 . Biological removal of nitrogen in toxic industrial effluents high in ammonia . Water Sci. Technol. , 29 : 231 – 240 .
- Chen , K. C. and Lee , S. C. 1998 . Simultaneous carbon–nitrogen removal in wastewater using phosphorylated PVA-immobilized microorganisms . Enzyme Microb. Technol. , 23 : 311 – 320 .
- Fang , H. P. and Yu , H. Q. 2000 . The effect of hydraulic retention time on acidogenesis of simulated dairy wastewater . Environ. Eng. , 126 : 1245 – 1249 .
- Grady , C. P. 1990 . Biodegradation of toxic organics: Status and potential . Environ. Eng. , 116 : 805 – 819 .
- Hashimoto , S. and Furukawa , K. 1987 . Immobilization of activated sludge by PVA-boric acid method . Biotechnol. Bioeng. , 30 : 52 – 59 .
- Hu , W. J. and Aziz , M. A. 1999 . Effect of acidogenic stage on aerobic toxic organic removal . Environ. Eng. , 125 : 495 – 500 .
- Li , Y. M. and Gu , G. W. 2003 . Treatment of coke-plant wastewater by biofilm systems for removal of organic compounds and nitrogen . Chemosphere , 2 : 997 – 1005 .
- Liu , J. and Wang , B. 1996 . Removal of nitrogen from coal gasworks and coke-plant wastewater in anaerobic-aerobic submerged biofilm-activated sludge sludge (SBF-AS) hybrid system . Water Sci. Technol. , 34 : 17 – 24 .
- Tanaka , K. and Tada , M. 1991 . Development of new nitrogen removal system using nitrifying bacteria immobilized in synthetic resin pellets . Water Sci. Technol. , 23 : 681 – 690 .
- Tramper , J. and De Man , A. W. A. 1986 . Operating performance of Nitrobacter agilia immobilized in carrageenan . Enzyme Microb. Technol , 8 : 477 – 480 .
- Wang , B. Q. and Fang , Z. 1997 . Discussion on starting and controlling factors of anaerobic acidification system . Trans. Xi'an Univ. Architec. Sci. & Technol. , 29 : 142 – 146 .
- Wen , Y. B. and Zhang , M. 1991 . Biological treatment of coke-plant wastewater for COD and NH3-N removal . Water Sci. Technol. , 23 : 1883 – 1892 .
- Xu , Y. and Li , W. Y. . Study on polyvinyl alcohol (PVA) as entrapping agent for immobilizing microbial cells . Symposium of Modern Coal Chemical Technologies in China . Jiangxi, China. (in Chinese)