Stabilized ammonium polysulfide solutions and process...

Details Stabilized ammonium polysulfide solutions and process... Stabilized ammonium polysulfide solutions and process...

C - Chemistry, Metallurgy

01

C

C01C 1/20 (2006.01) C02F 1/68 (2006.01)

Patent

CA 2173119

A stabilized ammonium polysulfide solution comprising an aqueous solution of ammonium polysulfide and a stabilizing amount of a water soluble, stabilizing compound that can be an azacyclic compound, a compound having the formula: R-O- (CnH2n)NH2 or a compound having the formula (CH3)2NR1, the pH of the composition being from 7 to 14, the stabilized composition being useful in controlling the cyanide concentration in aqueous streams.

Une solution stabilisée de polysulfure d'ammonium comprend une solution aqueuse de polysulfure d'ammonium et une quantité stabilisante d'un composé de stabilisation hydrosoluble qui peut être un composé azacyclique ou un composé de formule R-O(C¿n?H¿2n?)NH¿2? ou (CH¿3?)¿2?NR¿1?. Présentant un pH variant entre 7 et 14, cette composition stabilisée sert à éliminer les cyanures présents dans des effluents aqueux.

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