Method for processing vegetable, fruit and garden waste

Details Method for processing vegetable, fruit and garden waste Method for processing vegetable, fruit and garden waste

1993-04-23

1994-08-16

Dayoan, D. Glenn

Classifying, separating, and assorting solids

Treatment subsequent

209 17, 209 38, 209 39, 209 444, 209930, 71 9, 71 10, 210605, 210630, 435267, B03B 700, C05F 1108

Patent

active

053378989

ABSTRACT:
Method for processing vegetable, fruit and garden waste, indicated as VFG-waste, in which, after a pre-sorting has taken place, the waste (3) is brought into a washing-separating device (4), in which, with the help of water, the waste is separated into a coarse organic fraction (6) which is composted and into a residual fraction (7). The coarse fraction contains particles larger than 2 up to 4 mm. The residual fraction (7) is separated into an inert fraction (11) for recovering sand (13) therefrom, and into a fraction (15) consisting of liquid containing a fine organic fraction (17) and substances dissolved and colloidally divided in the liquid. The fraction (15), obtained from the residual fraction (7) after removing the inert fraction (11) therefrom, is subjected to an anaerobic stabilization.

REFERENCES:
patent: 3579320 (1971-05-01), Perres
patent: 3597308 (1971-08-01), Brooks
patent: 4137158 (1979-01-01), Ishida et al.
patent: 4252901 (1981-02-01), Fischer et al.
patent: 4276155 (1981-06-01), Roeschlaub et al.
patent: 4565552 (1986-01-01), Cotton
patent: 4758344 (1988-07-01), Wildenauer
patent: 4879048 (1989-11-01), Kreyenberg

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