Sughrue Mion, PLLC
Recovery method of ammonia from gaseous mixture
An object of the present invention is to carry out separation recovery of ammonia efficiently from a gaseous mixture containing ammonia and carbon dioxide, without generating a solid ammonium carbamate. A recovery method of ammonia from a gaseous mixture, includes a process (I) in which a gaseous mixture containing ammonia and carbon dioxide is contacted with an organic solvent to allow the organic solvent to absorb ammonia in the gaseous mixture, and a process (II) in which the organic solvent which absorbed ammonia is distilled to separate ammonia from the organic solvent.
Mitsubishi Gas Chemical Company, Inc.
C Y
C01C Y02C
inventional additional
Masamichi Nobuyasu Hirofumi Hiroshi
Mizukami Chikamatsu Ito Umino