Biological process

Details Biological process Biological process

1978-06-29

1980-09-30

Hart, Charles N.

Liquid purification or separation

Processes

Treatment by living organism

210618, 210903, C02C 104

Patent

active

042254302

ABSTRACT:
A process for denitrifying a highly nitrogenous wastewater in the presence of high concentrations of ammonia is described. The process is based on upflow packed bed and fluidized bed reactors containing denitrifiers on the packing material. A carbon source, e.g. molasses, is metered into the wastewater as a source of carbon and energy to the bacteria. Excess bacteria are removed by hydraulic shear.

REFERENCES:
patent: 1194933 (1916-08-01), Barber
patent: 3617540 (1971-11-01), Bishop et al.
patent: 3846289 (1974-11-01), Jeris et al.
patent: 3939068 (1976-02-01), Wendt et al.
patent: 4043936 (1977-08-01), Francis et al.
Sen et al., "Anaerobic Digestion of Liquid Molasses Distillery Wastes," WPCFJ, Oct. 1962, pp. 1015-1025.

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