Monsanto process
Method for the manufacture of acetic acid / From Wikipedia, the free encyclopedia
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The Monsanto process is an industrial method for the manufacture of acetic acid by catalytic carbonylation of methanol.[1] The Monsanto process has largely been supplanted by the Cativa process, a similar iridium-based process developed by BP Chemicals Ltd, which is more economical and environmentally friendly.
This process operates at a pressure of 30–60 atm and a temperature of 150–200 °C and gives a selectivity greater than 99%. It was developed in 1960 by the German chemical company BASF and improved by the Monsanto Company in 1966, which introduced a new catalyst system.[2]