Bioreactor

Details Bioreactor Bioreactor

1985-06-19

1987-03-31

Green, Randall L.

Chemistry: molecular biology and microbiology

Miscellaneous

34199, 34226, 312209, 312236, C12M 114

Patent

active

046543082

ABSTRACT:
A bioreactor for the biochemical treatment of liquids containing organic matter, comprises an elongated, upwardly extending tubular container having inlet means for receiving the liquid to be treated and outlet means for discharging the treated liquid. A plurality of spaced-apart first and second trays are alternatively arranged above one another inside the container, each tray being apertured to provide liquid flow communication between the inlet and outlet means and adapted to support a respective bed of microorganism cells capable of reacting with the organic matter. The apertures of the first and second trays are arranged relative to one another to cause the liquid to flow laterally across the respective cell beds of the trays as the liquid flows from one tray to another. The bioreactor of the invention is particularly useful for the anaerobic fermentation of aqueous solutions of fermentable sugars, such as bisulfite liquors originating from the pulp and paper industry, to produce ethanol, as well as for the biotreatment of effluents from the cheese industry to reduce the chemical oxygen demand and to produce methane which may be used in the cheese plant to satisfy part of its energy requirement.

REFERENCES:
patent: 48570 (1865-07-01), Lippy
patent: 189746 (1877-04-01), Kendall
patent: 1535465 (1925-04-01), Hackman
patent: 3562114 (1971-02-01), Steidl et al.
patent: 3592668 (1971-07-01), Denk
patent: 3743582 (1973-07-01), Kitai et al.
patent: 4277561 (1981-07-01), Monget et al.
patent: 4379846 (1983-04-01), Shkidchenko et al.

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