Wastewater treatment bacterial additive

Details Wastewater treatment bacterial additive Wastewater treatment bacterial additive

1986-03-04

1987-06-16

Castel, Benoit

Liquid purification or separation

Processes

Treatment by living organism

210620, 210631, 435244, 435245, 435253, 435260, C02F 334, C12N 104, C12N 120, C12N 136

Patent

active

046735054

ABSTRACT:
The use of an inorganic azide compound as an inhibitor for a wastewater treatment bacterial additive composition. The inorganic azide compounds used in the invention serve to confer a useful life for the bacterial additive composition, yet a relatively short reactivation time which is of great advantage in wastewater treatment systems with short detention times. The inorganic azide compounds employed as an inhibitor in the bacterial composition additives of the invention include alkali metal azides, alkaline earth metal azides, lead azide and hydrazoic acid.

REFERENCES:
patent: 3963576 (1976-06-01), Horsfall, III et al.
patent: 4250254 (1981-02-01), Modrovich
patent: 4391887 (1983-07-01), Baumgarten et al.
patent: 4430427 (1984-02-01), Hopkins

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