Baths – closets – sinks – and spittoons – Pool type – Accessory
Patent
1985-12-06
1987-06-16
Dority, Jr., Carroll B.
Baths, closets, sinks, and spittoons
Pool type
Accessory
4501, 48197A, 210218, E04H 319
Patent
active
046726918
ABSTRACT:
A fermentation pond has a cover and gas-collection system that includes a gas-impermeable membrane resistant to the elements and resistant to chemical deterioration by both the contents of the pond and any biogas generated by fermentation in the pond. The membrane overlies the full surface of the pond. A biogas collection conduit is positioned at the surface of the pond and under the membrane, and weights are located so as to urge the membrane downwardly along lines separated from each other so as to define between the lines a plurality of channels along which biogas can pass to the collection conduit.
REFERENCES:
patent: 3330118 (1967-07-01), Biais
patent: 3933628 (1976-01-01), Varani
Cocci Albert
De Garie Claude
Landine Robert C.
ADI Limited
Dority Jr. Carroll B.
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