申请人:Celanese International Corporation
公开号:US20140309455A1
公开(公告)日:2014-10-16
Processes for the production of acetic acid by carbonylation of methanol and reactive derivatives thereof in a liquid phase reaction medium, wherein the reaction medium comprises a finite amount of water, a homogeneous catalyst, an alkyl halide promoter, and a catalyst stabilizer/co-promoter comprising an imidazolium cation R
1
R
2
Im+ as an iodide salt, wherein R
1
and R
2
are each independently a substituted or unsubstituted alkyl or cycloalkyl, with the proviso that R
1
and R
2
are not the same.