Anaerobic digester

Details Anaerobic digester Anaerobic digester

1982-08-16

1985-11-05

Lander, Ferris H.

Liquid purification or separation

With heater or heat exchanger

Vapor or gas removal

210523, 210539, 71 9, 71 10, B01D 3518

Patent

active

045512434

ABSTRACT:
To reduce the accumulation of undesirable solid material within an anaerobic digester, new slurry for digesting is injected into the digester at locations extending across the horizontal width at one end, parallel to a zone of floating solids in a concentration of solid material between ten and twelve percent, with a momentum of at least 0.1 pound-foot per second. Liquid is taken out of the digester across a trough extending across the width of the digester. Bubbles are broken above the liquid level of the digester by a sieve or surfactant or combination of the two.

REFERENCES:
patent: 4100023 (1978-07-01), McDonald
patent: 4274838 (1981-06-01), Dale et al.

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