Wet milling of starch bearing materials with water recycle after

Details Wet milling of starch bearing materials with water recycle after Wet milling of starch bearing materials with water recycle after

1982-08-05

1983-11-01

Marantz, Sidney

Sugar, starch, and carbohydrates

Processes

Carbohydrate manufacture and refining

127 67, 127 68, 127 69, C13L 100, C13L 102

Patent

active

044128673

ABSTRACT:
Wet milling of starch bearing materials (e.g. corn, potatoes or wheat) wherein water being used in the process is separated by reverse osmosis or ultrafiltration, into two fractions, one fraction (the first fraction) having a lower content of soluble and insoluble matter than the other (second) fraction. The first fraction is then recycled to the washing step of the milling process where it is used to wash the starch. The separation and recycling steps reduce the water requirement of the milling process and also reduce the volume of effluent leaving the process, which needs to be evaporated and/or disposed of.

REFERENCES:
patent: 2987424 (1961-06-01), Olnick
patent: 3251717 (1966-05-01), Honeychurch
patent: 4144087 (1979-03-01), Chwalek
patent: 4171383 (1979-10-01), Chwalek
patent: 4207118 (1980-06-01), Bonnyay
patent: 4255518 (1981-03-01), Muller
The Commonwealth and International Library, "Chemical Industry", J. Davidson Pratt et al., eds., The Starch Industry by J. W. Knight, Chapt. 4 entitled Manufacture of Starches, pp. 32-45, Pergamon Press, London and New York.
L Bonnyay, Starch/Starke, 30(2), S.61-64, (1978).
Chemical Abstracts, 85:19776p (1976).
Chemical Abstracts, 92:10866a (1980).
Chemical Abstracts, 92:168663s (1980).

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