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Lookup NU author(s): Professor Gary Montague
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Experiments have been conducted to study the cleaning of toothpaste at two length scales. Laboratory scale cleaning studies have been conducted on fouled coupons in a horizontal flow cell. At pilot scale, the cleaning of fully fouled pipes has been studied and monitored by temperature, conductivity and turbidity probes. Removal from the pipe occurs in two steps: core removal, leaving a thin wall layer that is then removed by thin film removal that takes the majority of the cleaning time. At both scales, cleaning time is influenced by temperature and velocity of the cleaning fluid. The pipe length range studied, 0.3-2 m, does not appear to have a significant impact on cleaning time. Cleaning time correlates well with (shear stress)(-1). A dimensionless cleaning time is defined and a correlation between cleaning time and Reynolds number developed. (C) 2010 The Institution of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
Author(s): Cole PA, Asteriadou K, Robbins PT, Owen EG, Montague GA, Fryer PJ
Publication type: Conference Proceedings (inc. Abstract)
Publication status: Published
Conference Name: Food and Bioproducts Processing: Conference on Fouling and Cleaning in Food Processing
Year of Conference: 2010
Pages: 392-400
ISSN: 0960-3085
Publisher: Elsevier Ltd
URL: http://dx.doi.org/10.1016/j.fbp.2010.08.008
DOI: 10.1016/j.fbp.2010.08.008
Library holdings: Search Newcastle University Library for this item
ISBN: 17443571
