Exploration of Chemical Oxidation of p-Cymene

Liang Wu Bi; Qiu Ge Zhang; Zhen Dong Zhao; Da Wei Li

doi:10.4028/www.scientific.net/AMR.396-398.1132

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 396-398Exploration of Chemical Oxidation of p-Cymene

Exploration of Chemical Oxidation of p-Cymene

Abstract:

The chemical oxidation of p-cymene was preliminarily studied by several oxidants. The conversion of p-cymene and selectivity of p-cymen-8-ol were both influenced by the factors such as dosage of oxidant, dosage of sulphuric acid, reaction time, reaction temperature and solvent variety. The reasonable oxidation conditions were molar ratio of p-cymene to potassium permanganate 1:3, molar ratio of sulphuric acid to potassium permanganate 0.13:1, mixture of water and acetic acid (1:1, v/v) as solvent, reaction temperature 80 °C and reaction time 9 h. The conversion of p-cymene and selectivity of p-cymen-8-ol were respectively 92.21 % and 69.65 % in the reasonable oxidation conditions. The by-products of p-cymene oxidation mainly included p-iso-propyl benzoic acid, p-isopropyl benzaldehyde and p-methyl acetophenone.

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Advances in Chemical Engineering: ICCMME 2011

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Periodical:

Advanced Materials Research (Volumes 396-398)

Pages:

1132-1137

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.396-398.1132

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Online since:

November 2011

Authors:

Liang Wu Bi, Qiu Ge Zhang, Zhen Dong Zhao, Da Wei Li

Keywords:

Chemical Oxidation, P-Cymen-8-Ol, p-Cymene, Potassium Permanganate

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