Experimental Investigation of Microbial Paraffin Removal Technology

Jiang Hong Liu; Yun Peng Jia; Rui Dan Xu; Yi Tong Chen

doi:10.4028/www.scientific.net/AMM.268-270.237

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 268-270Experimental Investigation of Microbial Paraffin...

Experimental Investigation of Microbial Paraffin Removal Technology

Abstract:

By separation and purification experiment, microorganisms were obtained. The paraffin removal strain was named for SW-1. Microscopic and morphological examinations showed strain SW-1 was to be Bacillus Cereus. After strain SW-1 treatment, the number of strain SW-1 increased from 2.7×10⁶/mL^-1 to 3.5×10⁸/mL^-1, which increased by two orders of magnitude; the degradation rate of paraffin could reach to 64% within one month; the prevention rate of paraffin could reach to 43%; the viscosity of crude oil reduced from 35.9mPa•s to 26.8mPa•s, the reduction rate of viscosity was 25.3%, and the freezing point of crude oil reduced by 4.3°C; surface tension reduced from 44.5mN•m^-1 to 29.1mN•m^-1, the reduction rate of surface tension was 34.6%, and pH value was reduced to 6.3. These phenomenon indicated that strain SW-1 has better removal paraffins effect.

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Periodical:

Applied Mechanics and Materials (Volumes 268-270)

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237-240

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https://doi.org/10.4028/www.scientific.net/AMM.268-270.237

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Online since:

December 2012

Authors:

Jiang Hong Liu, Yun Peng Jia, Rui Dan Xu, Yi Tong Chen

Keywords:

Bacillus cereus, Crude Oil, Microorganism, Paraffins

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