Influence of process variables on instability of crude oil-water emulsion

Publish Year: 1386
نوع سند: مقاله کنفرانسی
زبان: English
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ICHEC05_216

تاریخ نمایه سازی: 7 بهمن 1386

Abstract:

The effect of temperature, pH, and demusifier's dosage on emulsion instability of Doroud 1, Abuzar, and Forouzan crude oil produced at Kharg Island (Iran) was investigated. Increase in temperature accelerated the solubility of resins and asphaltene present in the crude oil and significantly decreased the interfacial tension between the two phases. Experimental results showed that, optimum temperature for instability of three mentioned emulsions was about 60- 65°C and the emulsions was more stable at lower than 40°C. The emulsion stability decreased with demulsifier dosage, because of decreasing interfacial tension. The optimum pH and dimulsifier dosage (at 60°C) for three emulsions were about 8-10 and 20-25mg/l respectively.

Authors

Behin

Department of Chemical Engineering, Faculty of Eng., Razi University, Kermanshah, IRAN

Aghajari

Department of Chemical Engineering, Faculty of Eng., Razi University, Kermanshah, IRAN

Jahromi

Production unit, Iranian Offshore Oil Company, Kharg Island, IRAN

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