C - Chemistry – Metallurgy – 12 – M
Patent
C - Chemistry, Metallurgy
12
M
362/13, 195/141
C12M 1/14 (2006.01) C12M 1/02 (2006.01)
Patent
CA 1240631
"BIOREACTOR" Abstract of the Disclosure 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 react- ing 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 particu- larly 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. - 1 -
483613
Mayer Raymond
Rouleau Denis
Safi Bechara F.
Corporation de L'ecole Polytechnique (la)
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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