The most important objectives of the development of a new process for synthesis of acetic acid are reducing raw material consumption, energy requirements, and investment costs. Different methods have been presented for synthesis of acetic acid in literature but industrial processes for the production this petrochemical intermediate are dominated by methanol carbonylation and the oxidation of hydrocarbons such as acetaldehyde, ethylene, n-butane, and naphtha. In addition of comparison synthesis methods, application of the product is investigated and advantages of the methods have been presented. In this regard, proper process for production of acetic acid can be selected. Finally results show that methanol carbonylation method is proper because of high purity, low production cost, reaction condition, yield and also no undesired byproducts as the best choice for acetic acid production.
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