Method and apparatus for controlling sulfide generation

Details Method and apparatus for controlling sulfide generation Method and apparatus for controlling sulfide generation

C - Chemistry, Metallurgy

02

F

C02F 3/00 (2006.01)

Patent

CA 2611001

Systems and methods for reducing odors utilizes oxidation-reduction potential to characterize the quality of water or wastewater and control addition of a species thereto that reduces or inhibits biological sulfide generation. Oxidation-reduction potential is measured at a downstream station and, based on the measurement, a nitrate compound is added at an upstream station to promote inoffensive biological products instead of foul-smelling products.

L'invention concerne de systèmes et des procédés permettant de réduire des odeurs. Ces systèmes et ces procédés utilisent le potentiel d'oxydoréduction afin de caractériser la qualité de l'eau ou des eaux usées et de réguler l'addition d'une espèce dans l'eau ou dans les eaux usées, laquelle espèce réduit ou inhibe la production biologique de sulfure. Le potentiel d'oxydoréduction est mesuré au niveau d'une station en aval et, en fonction de cette mesure, un composé de nitrate est ajouté au niveau d'une station en amont afin de favoriser les produits biologiques inoffensifs au détriment des produits fétides.

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