Method for separation of canned goods and reclaiming useful food

Food or edible material: processes – compositions – and products – Processes – Separating a starting material into plural different...

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209 31, 209215, 241 20, 241 24, 426516, 426635, A23P 100, B03C 100

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active

052309177

ABSTRACT:
Food contents are separated from ferrous metal cans for conversion into useful byproducts by lacerating the can bodies into strips of metal to expose their contents, advancing along a vibrating conveyor section through a liquid spray, followed by magnetic separation to remove the metal strips and separately collect the food contents and metal strips for recycling. In order to convert the food contents into animal feed, the contents are first dried to reduce their moisture level either by mechanical dehydration or by the addition of bulking agents and then advanced through an extruder section to convert the food contents into dry particle form.

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patent: 3653871 (1972-04-01), Tempe
patent: 3736120 (1973-05-01), Tempe
patent: 3930799 (1976-01-01), Eweson
patent: 3971306 (1976-07-01), Wiese et al.
patent: 4284514 (1981-08-01), Wright
patent: 4702929 (1987-10-01), Lehn et al.
patent: 4967912 (1990-11-01), Schonberg
patent: 4988044 (1991-01-01), Weitzman et al.

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