Industrial Catalysis

Manufacture of ethanoic acid

Most new chemical plants designed to manufacture ethanoic acid do so by the method of carbonylation.

Summary of conditions and catalyst for carbonylation

world annual production

 

6 million tonnes per year

temperature

450 to 460 K

pressure

30 atmospheres

catalyst

rhodium or iridium

conversion

99%

   
Uses of ethnoic acid

Carbonylation of methanol

carbonylation of methanol

CH3OH + CO

CH3COOH

DH = - 137 kJmol-1