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International Journal of Chemical Technology

Year: 2010 | Volume: 2 | Issue: 1 | Page No.: 1-11
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Authors

H. Abdurahman Nour

R. Sothilakshmi

H. Azhary Nour

Keywords

Research Article

Microwave Heating and Separation of Water-in-oil Emulsions: An Experimental Study

H. Abdurahman Nour, R. Sothilakshmi and H. Azhary Nour
In this study, microwave demulsification method was applied in a 50-50 and 20-80% water-in-oil emulsions with microwave exposure time varied from 20-180 sec. Transient temperature profiles of water-in-oil emulsions inside a cylindrical container were measured. The temperature rise at a given location was almost horizontal (linear). The average rates of temperature increase of 50-50% and 20-80% water-in-oil emulsions are 0.351 and 0.437°C sec-1, respectively. The rate of temperature increase of emulsions decreased at higher temperature due to decreasing dielectric loss of water. These results indicate that microwave demulsification of water-in-oil emulsions does not require chemical additions. Microwave has the potential to be used as an alternative way in the demulsification process.
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