Performance Evaluation of formulated and Commercially Available De-Emulsifiers
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The de-emulsification of water-in-oil emulsion of Ogharefe crude oil samples was studied
by using formulated polyester based de-emulsifier sample A and a commercially available
de-emulsifier sample C. The bottle test method was used to screen the de-emulsifier
samples. The performance of the de-emulsifiers was expressed in terms of percentage of
water separated from 100 ml samples of emulsions.
For both the formulated and commercial de-emulsifiers, the performance increased
with increased concentration of the de-emulsifiers, separation time and operating
temperature. The effect of the operating temperature was much higher and there was a
linear between performance and temperature. The performance of the best of the formulated
de-emulsifiers, sample A, was better than that of the commercial de-emulsifier under all the
conditions of this study- the volume of water expelled by sample A was 5 times that of the
commercial one at 30oC. At 70oC, this ratio increased to 14.
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TP Chemical technology