Chemistry: molecular biology and microbiology – Apparatus – Bioreactor
Patent
1996-01-11
1999-09-07
Redding, David A.
Chemistry: molecular biology and microbiology
Apparatus
Bioreactor
4352904, C12M 300
Patent
active
059486740
ABSTRACT:
An organic waste composting system is provided for rapidly, economically and naturally composting organic waste. A container having a gas impermeable floor, sides and top is provided with a gas inlet port and a gas exhaust port. An air floor is provided within the container, the air floor being gas permeable and impermeable to solids contained within the container. The system farther includes a mixing blade dimensioned so that shear forces produced by the blade when rotated within the organic waste are substantially equal to the viscoelastic forces of the organic waste particles. The mixing blade is dimensioned to further shear the waste to a size which increases its surface area-to-volume ratio without compacting it, thus providing suitable moisture distribution, particle distribution and air channels between particles.
REFERENCES:
patent: 4797367 (1989-01-01), Pinder
patent: 5254472 (1993-10-01), Brooks, III et al.
patent: 5433524 (1995-07-01), Wiister
patent: 5559033 (1996-09-01), Young
International Search report.
WPI Abstract AN-93 411817, Derwent Publications Ltd. Nov. 15, 1992.
Redding David A.
The Gaia Institute, Inc.
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