C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 273/14 (2006.01) B01D 3/00 (2006.01) B01D 61/44 (2006.01)
Patent
CA 2588774
The invention is directed to a process for the removal of ammonia from an ammonia-containing gas stream by treating the ammonia in the ammonia~ containing gas stream with an acid, during which treatment an aqueous stream comprising an ammonium salt, wherein the aqueous stream comprising the ammonium salt is treated with electrodialysis, whereby the acid is recovered and an aqueos stream comprising an ammonium hydroxide salt is formed.
Ce procédé de suppression de l'ammoniac d'un flux de gaz ammoniaqué consiste à traiter l'ammoniac du gaz avec un acide. A cet effet, on utilise une circulation d'eau chargée d'un sel d'ammonium et soumet cette eau à électrodialyse, ce qui restitue de l'acide et de l'eau chargée de sel d'hydroxyde d'ammonium.
Erben Axel
Krijgsman John
Liebig Winfried
Meessen Jozef Hubert
Dsm Ip Assets B.v.
Smart & Biggar
Stamicarbon B.v.
Uhde Gmbh
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