J4 ›› 2010, Vol. 40 ›› Issue (1): 169-175.

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Pharmaceutical Wastewater Treatment and Its Biological Phase in Combination with Biological Technology

LIU Peng1,ZHANG Lan-ying1,LIU Ying-ying1,LIU Na1,LIU Feng2,LIU Hong3,CUI Zhe1,XU Guo-xin1   

  1. 1.College of Environment and Resources, Jilin University, Changchun 130026, China;2.Northeast Pharmaceutical Group Co.,Ltd., Shenyang 110026, China;3.School of Environmental and Biological Engineering,Jilin Institute of Chemical Technology,Jilin City|Jilin Province 132022,China
  • Received:2009-06-08 Online:2010-01-26 Published:2010-01-26

Abstract:

The biological technology (hydrolytic acidification-activated sludge-biological aerated filter technique) was used to treat the pharmaceutical wastewater. The results indicate that removal efficiency of the process for both COD and BOD5 are higher than 90%, and all the indexes already met the second class of “National Comprehensive Wastewater Discharge Standard”(GB8978-1996). The microscopic observation shows that the sludge flocs and the biofilms grow well and there are amoebas, rotifers and vagiles in succession. After separation and purification of bacteria in every unit, 8 species in hydrolytic acidification tank, 3 species in activated sludge tank, and 6 species in biological aerated filter tank are found and identified by BIOLOG bacterial identification system respectively.

Key words: pharmaceutical wastewater, hydrolytic acidification, activated sludge, biological aerated filter, BIOLOG

CLC Number: 

  • X703.1
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