[Biodegradation of oil field wastewater in biological aerated filter (BAF) by immobilization]

[Biodegradation of oil field wastewater in biological aerated filter (BAF) by immobilization] Research Abstract Details 

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[Biodegradation of oil field wastewater in biological aerated filter (BAF) by immobilization] Abstract Text:

Xin Zhao,Yan-ming Wang,Zheng-fang Ye,Jin-ren Ni,

A special kind of carrier was used to immobilize effective microorganisms B350M in a biological aerated filter (BAF) react system for treatment of oil field wastewater, which is of salinity > 0.5%, lack of N and P, and contains low organic matter. Through the biodegradation system operated for 142d, the react system can achieve average degradation efficiency 90.5%, 74.4%, 85.6%, 100% for oil, TOC, COD and H2S, when HRT was 4h and COD volumetric load was 1.07 kg/(m3 x d). GC-MS results show that the organic substance in wastewater contain 27 different kind substances, a majority (23) of alkane and a minority (4) of aromatic substances. C14H30 to C28H58 in influent could be decomposed into small molecular substance efficiently, especially the C18H38 to C28H58, and also polycyclic aromatic hydrocarbons (PAHs) such as Phenanthrene. The react system had a good diversity, because the carriers provide agreeable air and water condition for microorganisms, to resist high salinity and toxic pollutant. Filamentous microorganisms were observed in a great deal and will not cause foaming and bulking in BAF reactor by immobilization.

[Biodegradation of oil field wastewater in biological aerated filter (BAF) by immobilization] Publishing Authors By Initials

X Zhao,YM Wang,ZF Ye,JR Ni,

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[Biodegradation of oil field wastewater in biological aerated filter (BAF) by immobilization] Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Huan jing ke xue= Huanjing kexue / [bian ji, Zhong

VOLUME: 27

Page Numbers: 1155-61

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ISSN: 0250-3301

DAY: 22

MONTH: Jun

YEAR: 2006

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LANGUAGE: chi

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AFFILIATION: The Key Laboratory of Water and Sediment Sciences, Ministry of Education, Department of Environmental Engineering, Peking University, Bejing, China. zhaoxin@iee.pku.edu.cn

Country: China

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MEDLINETA: Huan Jing Ke Xue

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