Chemical Demulsification-Ultrasonic Recycle Oil from Oil-Based Drilling Fluid Using Response Surface Methodology

Mi Jia Zhu; Hai Jun Liu; Jun Yao; Qing Hua Luo

doi:10.4028/www.scientific.net/AMR.955-959.2653

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 955-959Chemical Demulsification-Ultrasonic Recycle Oil...

Chemical Demulsification-Ultrasonic Recycle Oil from Oil-Based Drilling Fluid Using Response Surface Methodology

Abstract:

The abandoned oil-based drilling fluid is a kind of water-in-oil system with high oil content, which has a significant recovery value. The effects of demulsifier dosage, heating temperature, ultrasonic time and centrifuge speed on the oil recycle were investigated in the chemical demulsification-ultrasonic treatment of oil-based drilling fluid. From the results of the experiment, BSF-L62 was a suitable reagent with the highest oil removal rate among the selected demulsifiers. The main influencing factors were optimized using the Response Surface Methodology based on Box-Behnken design. The oil removal rate was up to 76.9% under the optimal conditions of demulsifier dosage of 250 mg/L, heating temperature of 70 °C, ultrasonic time of 12.5 min and centrifuge speed of 7000 r/min.

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Periodical:

Advanced Materials Research (Volumes 955-959)

Pages:

2653-2657

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.955-959.2653

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Online since:

June 2014

Authors:

Mi Jia Zhu*, Hai Jun Liu, Jun Yao, Qing Hua Luo

Keywords:

Abandoned Oil-Based Drilling Fluid, Chemical Demulsification, Oil Removal Rate, Response Surface Methodology (RSM)

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