Method and apparatus for extracting soluble and dispersible mate

Details Method and apparatus for extracting soluble and dispersible mate Method and apparatus for extracting soluble and dispersible mate

1993-11-30

1995-04-25

Lieberman, Paul

Sugar, starch, and carbohydrates

Apparatus

Treating sacchariferous material

127 43, 127 44, 127 45, 426616, 426425, 241 24, 241 29, 2412601, 241 823, B02C 2308, C13D 314

Patent

active

054095417

ABSTRACT:
A counterflow single-screw extractor includes a screw conveyor having a helical scroll formed from arcuate flight sections each having a plurality of elongated slots extending away from the direction of screw rotation and permitting the flow of effluent through the product and the flights in a manner controlled by the size, number, and orientation of the slots. The slots permit efficient extraction using relatively little extraction medium and at the same time permit a single-screw extractor to be used without having to periodically reverse the direction of screw rotation to unclog the slots and by the pitch of the screw conveyor. The inventive arrangement permits the use of a multi-section extractor employing different extraction media and/or different extraction media wash rates in different sections of the extractor.

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Tim Lange, The Role of Research and Development in Food Liquid Processing, Harvest Horticultural Holdings Limited, May 1988.

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