Journal
FOOD AND BIOPRODUCTS PROCESSING
Volume 136, Issue -, Pages 249-296Publisher
ELSEVIER
DOI: 10.1016/j.fbp.2022.09.013
Keywords
Model soils; CIP; Fouling; Adhesion; Cohesion
Funding
- ESPRC
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This review focuses on the removal of strongly adherent fouling deposits in the food industry, discussing the key mechanisms and techniques for selecting and optimizing cleaning protocols.
Cleaning operations are performed regularly throughout the food industry. This review focuses on the removal of strongly adherent fouling deposits which compromise the performance and hygienic status of equipment and processes. Identifying and under-standing the key mechanisms involved in cleaning food deposits is essential for selecting and optimising cleaning protocols. The complexity of these materials has prompted the use of model soil-surface systems for experimental investigations of cleaning. The factors that need to be considered in selecting model soil systems, the techniques used to measure and characterise cleaning, and the formulations that have been used to model food fouling deposits are discussed. Particular focus is given to deposits formed from li-quid foods high in protein, starch, sugar and lipids. Biofilms, fouling layers generated in membrane operations and corrosion fouling are not considered.(c) 2022 The Authors. Published by Elsevier Ltd on behalf of Institution of Chemical Engineers. This is an open access article under the CC BY license (http://creative-commons.org/licenses/by/4.0/).
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