Treatment Phenolic Compounds in Coal Gasification Wastewater by Hydrolytic Acidification-AO Process

Peng Xu; Hong Jun Han; Sheng Yong Jia; Bao Lin Hou; Qian Zhao

doi:10.4028/www.scientific.net/AMR.807-809.1083

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 807-809Treatment Phenolic Compounds in Coal Gasification...

Treatment Phenolic Compounds in Coal Gasification Wastewater by Hydrolytic Acidification-AO Process

Abstract:

Using hydrolytic acidification-AO process treating coal gasification wastewater, the COD, total phenols in the effluent and the removal efficiencies were studied. The start-up period was separated to two stages with influent COD concentration of 1500 and 2500mg/L. After 59 days operation, the COD and total phenols removal efficiencies were 80.3% and 72.9%, respectively. The COD and total phenols increased to 925.4 and 238.7mg/L when the HRT was reduced to 6h with the corresponding concentrations of influent were 2512.9 and 493.4mg/L. When the HRT in hydrolytic acidification was reduced to 100%, the removal of total phenols dropped from 75.4% to 57.6%. The bigger circle ratio of 500% didn't have obviously effect on total phenols removal of the process.

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Periodical:

Advanced Materials Research (Volumes 807-809)

Pages:

1083-1086

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.807-809.1083

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Online since:

September 2013

Authors:

Peng Xu*, Hong Jun Han, Sheng Yong Jia, Bao Lin Hou, Qian Zhao

Keywords:

AO, Coal Gasification Wastewater, Hydrolytic Acidification, Phenolic Compounds

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