Process of recycling of disposable diapers and the machine compo

Details Process of recycling of disposable diapers and the machine compo Process of recycling of disposable diapers and the machine compo

1994-03-15

1995-07-04

Husar, John

Solid material comminution or disintegration

Processes

Selective or differential comminution of mixed or bonded solids

241 21, 241 38, 241 77, 241DIG38, B02C 1912

Patent

active

054293111

ABSTRACT:
A process for recovering the cellulose flock component of used disposable sanitary non-woven cellulose articles, especially diapers having also a plastics component and a superabsorbent polymer component, comprising: separating the cellulose flock component from the plastics component; disintegrating the cellulose flock component in water into cellulose fibers and separating them from the water containing the superabsorbent polymer component and other waste, by selectively collecting the cellulose fibers onto a rough surface; disposing the water, effluent and separately compacting the separated cellulose fibers and the separated plastics component prior to their discharge. The invention also provides an apparatus for carrying out the process.

REFERENCES:
patent: 3645456 (1972-02-01), Grafstrom et al.
patent: 3807296 (1974-04-01), Eck
patent: 4303501 (1981-12-01), Steffens
patent: 4500040 (1985-02-01), Steffens
patent: 4592115 (1986-06-01), Holmstrom
patent: 4990244 (1991-02-01), Anderson
patent: 5104047 (1992-04-01), Simmons
patent: 5197678 (1993-03-01), Trezek et al.
patent: 5322225 (1994-06-01), Cina

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