Process for processing ethylene oxide streams containing nox...

Details Process for processing ethylene oxide streams containing nox... Process for processing ethylene oxide streams containing nox...

C - Chemistry, Metallurgy

07

C

C07C 29/10 (2006.01) C07C 31/20 (2006.01) C07D 301/32 (2006.01)

Patent

CA 2673052

Crude aqueous alkylene oxide streams are converted to the corresponding alkylene glycol. The crude alkylene oxide stream contains NOx or organic nitrogen compounds. The hydrolysis reaction is conducted in the presence of water-soluble reducing agents, of which an alkali metal bisulfite is a preferred type.

L'invention concerne des flux aqueux d'oxyde d'alkylène brut convertis en alkylène glycol correspondant. Un flux d'oxyde d'alkylène brut contient NOx ou des composés organiques d'azote. Une réaction d'hydrolyse est exécutée en présence d'agents de réduction solubles dans l'eau, le type d'agent préféré étant un bisulfite de métal alcalin.

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