6Gallagher J R, Mayer G G. Process performance of pilot- scale activated sludge treatment of pretreated coal gasifi- cation wastewater [ A ]. 40. Annual Purdue Industrial Waste Conference [ C ]. West Lafayette : Purdue Univer- sity, 1985.
7Li Y M, Gu G W, Zhao J F, et al. Treatment of coke- plant wastewater by biofilm systems for removal of organ- ic compounds and nitrogen [ J ]. Chemosphere, 2003,52 (6) :997 - 1005.
8Lai P,Zhao H Z,Zeng M,et al. Study on treatment of coking wastewater by biofilm reactors combined with ze- ro-valent iron process [ J ]. Hazard Mater, 2009,162 ( 1/ 3) : 1423 - 1429.
9Zhao W T, Huang X, Lee D J, et al. Use of submerged anaerobic-anoxic-oxic membrane bioreactor to treat high- ly toxic coke wastewater with complete sludge retention [ J]. J Membr Sci,2009,330 (1/2) :57 - 64.
