| abstract |
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. |