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Treatment of Synthetic Wastewater of Pharmacy by Pretreatment，Comprehensive Hydrolysis Acidation and Comprehensive Aerobic Oxidation

ZHANG Lan-ying1, LIU Feng1,2, LIU Na1   

  1. 1.College of Environment and Resources, Jilin University, Changchun 130026, China;2.Northeast General Pharmaceutical Factory, Shenyang 110026,China
  • Received:2008-07-24 Revised:1900-01-01 Online:2008-11-26 Published:2008-11-26
  • Contact: ZHANG Lan-ying

Abstract: The traditional hydrolysis acidation and aerobic oxidation processes were improved. Based on analysis of wastewater from the Northeast General Pharmaceutical Factory, a complex process of pretreatment, comprehensive hydrolysis acidation and comprehensive aerobic oxidation was designed and applied in wastewater treatment engineering with capacities of 30 000 m3/d . Results of the two years operation showed that this process has property of stable efficiency and strong ability for resisting shock load. When average influent COD concentration was 3 600 mg/L, BOD5 was 1 000 mg/L and SS was 450 mg/L. The effluent concentration of COD was below 300 mg/L, BOD5 was below 100 mg/L, SS was below 50 mg/L. The effluent’s concentration achieves the national pharmaceutical enterprises effluent standards for grade 3.

Key words: synthetic pharmacy wastewater, engineering, comprehensive hydrolysis acidation, comprehensive aerobic oxidation

CLC Number: 

  • X703
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