C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/663.1, 260/7
C07C 7/11 (2006.01) C07C 45/34 (2006.01) C07C 45/78 (2006.01) C07C 45/81 (2006.01) C07C 47/07 (2006.01)
Patent
CA 1312882
HOE 87/H 027 Process for removing organochlorine compounds from the offgas from the oxidation of ethylene Abstract of the disclosure: In the process for removing organochlorine compounds from the offgas produced on reaction of ethylene with oxygen to form acetaldehyde in the presence of a catalyst system com- prising palladium and copper or compounds thereof in aqueous hydrochloric acid solution, the offgas channeled off after isolation of the reaction products is washed at temperatures from 233 K to 323 K and pressures from 1 to 10 bar in countercurrent with polar organic solvents.
579729
Dahmen Hubert
Erpenbach Heinz
Gehrmann Klaus
Lork Winfried
Celanese Chemicals Europe Gmbh
Fetherstonhaugh & Co.
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