Food or edible material: processes – compositions – and products – Involving ion exchange – sequestering or chelating material
Patent
1978-05-03
1979-06-26
Schor, Kenneth M.
Food or edible material: processes, compositions, and products
Involving ion exchange, sequestering or chelating material
210 32, A23C 2100, A23C 914
Patent
active
041593502
ABSTRACT:
A method for desalination of whey which is conducted through an anion exchanger and a cation exchanger. The whey is first conducted through a weakly basic anion exchanger in hydrogen carbonate form and then through a weakly acidic cation exchanger in ammonium form. The ion exchangers are regenerated by treatment with an ammonium hydrogen carbonate solution, whereupon the ammonium and hydrogen carbonate ions present in the whey are removed by evaporation.
The invention also relates to an apparatus for carrying out the method. The apparatus comprises ion exchange columns having inlet and outlet ends. Each column is connected at its inlet end to means for supplying whey to be desalted and regeneration solution, and means for removing residual acid and alkali. Each ion exchange column has at its outlet end means for removing spent regeneration solution and supplying acid and alkali. The outlet end is further connected to evaporators for vaporization of treated whey. The apparatus further comprises a distiller for distillation of spent regeneration solution, and a tank for holding regeneration solution.
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patent: 2566477 (1951-09-01), Abrahamczik
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patent: 2879166 (1959-03-01), Wilcox
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patent: 3317424 (1967-05-01), Schmidt
Garrett; Application of Ionic Exchangers to the Processing of Milk Products; International Dairy Congress, Stockholm, 1949, vol. 3, pp 49-55.
Webb; Byproducts from Milk (Ed. 2); The AVI Pub. Co. Inc., 1970, Westport, Conn.; pp. 312, 315.
Flocks Karl W.
Schor Kenneth M.
Svenska Mejeriernas Riksforening U P A
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