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Enhancing evaporative mass transfer and steam stripping using microwave heating

Ogunniran, Oluwatosin; Binner, Eleanor; Sklavounos, Angelique; Robinson, John P.

Enhancing evaporative mass transfer and steam stripping using microwave heating Thumbnail


Oluwatosin Ogunniran

Angelique Sklavounos

John P. Robinson


The effect of microwave heating on evaporative mass transfer of hydrocarbons was investigated for a number of contaminated solid materials. The rate of oil removal could be rationalised by the velocity of steam that was created by selective heating of water within the solid. A single correlation was found to fit 45 independent experiments across 10 separate variables, and the correlation was consistent with the physics of evaporative mass transfer. It is shown for the first time that steam stripping is the dominant mechanism that governs hydrocarbon removal during microwave processing. It was further discovered that mass transfer is enhanced due to microwave heating when compared to conventional stripping processes, with this improvement in efficiency due to the ability of the microwave process to overcome the channelling effects that limit conventional mass transfer processes.

Journal Article Type Article
Acceptance Date Mar 1, 2017
Publication Date Mar 2, 2017
Deposit Date Mar 24, 2017
Publicly Available Date Mar 24, 2017
Journal Chemical Engineering Science
Print ISSN 0009-2509
Electronic ISSN 1873-4405
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 165
Keywords Steam stripping; Microwave heating; Mass transfer; Channelling
Public URL
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