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Practicability study of coke wastewater treatment by SBR process

ZHONG Mei-ying, ZHANG Wen-yi (Dept.of Chem.Engn., East China University of Metallurgy, Ma'anshan 243002, China)  
Using sequencing batch reactor (SBR) to treat coke wastewater was conducted.The study mainly focused the influence on the efficiency of COD of SBR process as well as the influence on the efficiency of removal rate of COD and NH3-N exerted by pH, aeration time and impact load .The result showed that the removal efficiency of COD reached 87%, NH3-N reached 70% when influent COD was 600~ 1900 mg/L,NH3-N 150~ 330 mg/L.
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