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FT-NIR Analysis of the Hock Process for the Production of Phenol and Acetone

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FT-NIR Analysis of the Hock Process for the Production of Phenol and Acetone

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  • Author: Chris Heil
The Hock process to produce phenol and acetone from low cost reagents, oxygen, and sulfuric acid was discovered by Hock and Lang in 1944. The phenol produced by the Hock process approaches 99.99 wt % with total impurities of only 60 ppm. The process starts with cumene being oxidized to form an intermediate compound called cumene hydroperoxide (CHP) (Figure 1). The cumene hydroperoxide then goes through a cleavage reaction to form phenol and acetone. Cumene (isopropylbenzene) is an aromatic hydrocarbon that can be easily synthesized from benzene and is found in crude oil and refined fuels.

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