Process for dry recovery of materials from solid refuse

Details Process for dry recovery of materials from solid refuse Process for dry recovery of materials from solid refuse

1976-12-17

1978-02-07

Custer, Jr., Granville Y.

Solid material comminution or disintegration

Processes

With classifying or separating of material

241 25, 241 29, 241DIG38, B02C 2314

Patent

active

040722732

ABSTRACT:
A solid waste pollution control process for the dry recovery and restoration of 100% recycled paper pulp, machine cleaned confetti thrashed paper, fibrous fuels, plastic materials and construction aggregates from "solid municipal refuse", consisting of municipal household garbage, household yard trash, and commercial trash from supermarkets and retail establishments, condominiums, apartments, offices and warehouses. The solid municipal refuse is automatic machine sorted, machine chopped and thrashed and machine and air cleaned and is subjected to specific gravity and ballistics separation to recover the confetti thrashed paper while eliminating and rejecting from this confetti thrashed paper the loose, soft, decayed, wet and extraneous matter including high density particles and abrasive materials, such as metal particles, grit and glass such that this extraneous matter and materials are separated into fibrous fuels and construction aggregates. The machine cleaned confetti thrashed paper is then digested into fiber pulp from which plastic is removed, and it may be used as wet fiber pulp or alternatively may be air dried and separated into residual plastics and 100% recycled paper pulp suitable for use in making various commercial paper products.

REFERENCES:
patent: 3524594 (1970-08-01), Anderson et al.
patent: 3554454 (1971-01-01), Gruendler
patent: 3622088 (1971-11-01), Gunkel
patent: 3741863 (1973-06-01), Brooks
patent: 3790091 (1974-02-01), Law et al.

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