Electronic Resource
Oxford, UK
:
Blackwell Publishing Ltd
Journal of food processing and preservation
12 (1989), S. 0
ISSN:
1745-4549
Source:
Blackwell Publishing Journal Backfiles 1879-2005
Topics:
Process Engineering, Biotechnology, Nutrition Technology
Notes:
Filtrate flow through filter cakes which exhibits time dependent resistance was studied by measuring filtration rates through four types of perlite filter aids using a laboratory test system. Poultry chiller overflow water which has the potential for significant savings if recycled was used as the test suspension. Assumption of constant specific cake resistance and determination of its value from a plot of filtration rate against cummulative filtrate volume resulted in negative values for the medium resistance and large deviation between predicted and experimental values of filtrate volume particularly in the early stages of the filtration cycle. Equations were derived for independent determination of filtration medium resistance, which enabled determination of time dependent cake resistance factor. An equation which considered a time dependent cake resistance predicted values for filtrate volume which agreed well with experimental data. Data show that batch filtration of chiller overflow water will require very short cycle times for optimum filtrate flow.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1111/j.1745-4549.1989.tb00085.x
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