Study on HPAM Biodegradation in the Wastewater of an Oilfield

Abstract:

The present paper studies the biodegradability of partially hydrolyzed polyacrylamide (HPAM) resulting from the waste water of an oil field after carrying out chemically based oil recovery methods. Three aerobic bacteria strains, PM-1, PM-2, PM-3 and PM-4 were isolated from the wastewater. The results indicated that PM-2, PM-3 and PM-4 had better degradability on HPAM. PM-4 showed antagonism to two other strains, whereas PM-2 and PM-3 showed synergetic effects. Primary optimized HPAM degradation conditions of mixed PM-2 and PM-3 were 35 °C ~ 45 °C of degradation temperature and 5.5~7.5 of pH. The mixed PM-2 and PM-3 showed alternative in different media and their different growth stage.

• Periodical: Applied Mechanics and Materials (Volume 364)
• Pages: 640-644
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.364.640
• Online since: August 2013
• Authors: Qing Guo Chen, Mu Tai Bao, Mei Liu
• Keywords: Biodegradation, HPAM, Oil Field, Polyacrylamide, Wastewater

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