C - Chemistry – Metallurgy – 12 – M
Patent
C - Chemistry, Metallurgy
12
M
362/14, 195/143
C12M 1/00 (2006.01) B01J 8/20 (2006.01) C02F 3/06 (2006.01) C02F 3/10 (2006.01) C02F 3/12 (2006.01) C02F 3/28 (2006.01) C12M 1/04 (2006.01) C12M 1/40 (2006.01)
Patent
CA 1143684
DOWNFLOW BIOREACTOR Inventor: Robert F. Hickey, a citizen of the United States of America and resident of Florence, Mass. ABSTRACT A biological treatment technique in which waste water or other liquid to be processed is conducted downwardly through a bed of carrier particles to which biological material is attached. In a system for carrying out this technique, the bed is suspended within a vertical reactor by the liquid, the carrier particles having a specific gravity that is less than that of the liquid. The liquid is introduced into the upper end of the bed to pass through the particles and exits through the bottom of the reactor. Excess biological material formed on the particles is removed therefrom. -1-
358975
Ecolotrol Inc.
Smart & Biggar
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