Circulation cleaning of a plate heat exchanger fouled by tomato juice |
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| Authors: | C. S. CHEOW,A. T. JACKSON&dagger &dagger |
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| Affiliation: | Authors' addresses: Mara Institute of Technology, Malaysia;Department of Chemical Engineering, University of Leeds, Leeds LS2 9JT. |
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| Abstract: | A diluted tomato paste, applied as evenly as possible to one side of plate heat exchanger plates, has been used to study the effect of three temperatures (20, 70 and 90°C) when using water as a circulation cleaning fluid. From the experimental results it would appear that 70°C is the optimum temperature for this duty. Increasing the temperature to 90°C caused protein denaturation of the deposited tomato soil and cleaning efficiency was reduced. The soiling technique used in this work was found to be simple and consistent in studying the cleaning-in-place of the plate heat exchanger, and the direct weighing method of measuring soil removal was found to be reproducible. |
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