Journal of Northeastern University(Natural Science)

Journal of Northeastern University ›› 2007, Vol. 28 ›› Issue (5): 721-724+740.DOI: -

• OriginalPaper • Previous Articles     Next Articles

Screening and domestication of microorganism used in oil contaminated wastewater remediation

Xu, Xin-Yang (1); Gu, Ni-Na (1)   

  1. (1) School of Resources and Civil Engineering, Northeastern University, Shenyang 110004, China
  • Received:2013-06-24 Revised:2013-06-24 Online:2007-05-15 Published:2013-06-24
  • Contact: Xu, X.-Y.
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Abstract: According to the characteristics of oil contaminated wastewater, four strains of microorganism, named TA-11, TA-17, HA-9 and HD-1, which can degrade oil and CODCr in oil contaminated wastewater, were picked out through screening/domestication from the oil contaminated soil and activated sludge in the wastewater treatment system of a pitch plant in Panjin, China. Experimental results showed that any of the four strains of microorganism can remove oil and CODCr from the oil contaminated wastewater effectively with a highest removal rate of CODCr up to 68% at 30°C and pH value 7.0 if treated for 64 h. And it was revealed that the removal rate of CODCr from oil contaminated wastewater is much higher by mixed bacilli than by single bacillus.

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