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Cleaning of dairy HTST plate heat exchangers: optimization of the single‐stage procedure
Author(s) -
TIMPERLEY D A,
SMEULDERS C N M
Publication year - 1988
Publication title -
international journal of dairy technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.061
H-Index - 53
eISSN - 1471-0307
pISSN - 1364-727X
DOI - 10.1111/j.1471-0307.1988.tb00572.x
Subject(s) - heat exchanger , dairy industry , volumetric flow rate , stage (stratigraphy) , plate heat exchanger , flow (mathematics) , materials science , range (aeronautics) , chemistry , environmental science , analytical chemistry (journal) , mechanics , chromatography , composite material , thermodynamics , food science , paleontology , physics , biology
The influence of detergent concentration, temperature and flow rate on the time to remove milk deposits from the heated surfaces of a plate heat exchanger was studied. The results indicate that the main reduction in cleaning time was produced by small increases in the passage mean velocity of flow in the range 0.2 to 0.5 m/s. Increasing the temperature to 75 °C also resulted in substantial reductions in cleaning time. Variations in concentration, for which there was an optimum, had the least effect on cleaning time of the parameters investigated.