Aerobic biological dehalogenation reactor

Details Aerobic biological dehalogenation reactor Aerobic biological dehalogenation reactor

A - Human Necessities

62

D

362/14, 195/145,

A62D 3/02 (2007.01) C02F 3/10 (2006.01) C02F 3/24 (2006.01)

Patent

CA 2017752

ABSTRACT OF THE DISCLOSURE AEROBIC BIOLOGICAL DEHALOGENATION REACTOR Methylotrophic and heterotrophic microorganisms are supported on a rigid substrate bed. Oxygen, such as from air, and a low-molecular-weight alkane, such as methane, flow through the bed. Organic compounds in contaminated water processing through the bed are biodegraded by the microorganisms. The bed may be formed of manufactured particulate material, such as of activated carbon. These bed-forming materials may be preloaded with organic carbon materials to provide a nutrient source for the microorganisms. The biological reactor may continuously treat effluent from, for example, an industrial plant, in either a batch or continuous process. A water solids removal subsystem may be positioned upstream of the biological reactor to remove organic carbon compounds and various solids from the contaminated water prior to treatment. Optional bed cleaning mechanisms may also be included in the biological reactor. A methane gas source for the biological reactor may comprise a methanogenic microorganism-containing second reactor which uses liquid from the first biological reactor as a carbon and energy source.

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