Experiences with a reverse osmosis pilot plant for the concentration of potato fruit water in the potato starch industry
1997
Rueffer, H. | Kremser, U. | Seekamp, M.
The potato as an agricultural raw material contains 76% potato fruit water with a solid content of 5%. Protein separation, evaporation, agricultural application and aerobic/anaerobic wastewater treatment are able to use one part of these solids. Reverse osmosis for concentration of potato fruit water increases the percentage of re-usable contents. A high tendency to biofouling on cellulose acetate membranes however requires microbiological and pH-control of the incoming, foamfree potato fruit water as well as daily cleaning and disinfection of the membranes. Because of the special fruit water composition the rejections of inorganics are higher than expected. Estimations of total costs show that the reverse osmosis in combination with the other steps of starch process increases the economy.
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Эту запись предоставил ZB MED Nutrition. Environment. Agriculture