Authors:
Yi Liu Zhejiang University, Hangzhou, 38 Zheda Road, 310027, China

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Ming-Qiao Zhu Zhejiang University, Hangzhou, 38 Zheda Road, 310027, China

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Xin-Zhi Chen Zhejiang University, Hangzhou, 38 Zheda Road, 310027, China

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Umsa Jameel Zhejiang University, Hangzhou, 38 Zheda Road, 310027, China

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Jian-Gang Lu Zhejiang University, Hangzhou, 38 Zheda Road, 310027, China

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The oxidation of cyclohexane to cyclohexanone, cyclohexanol, and adipic acid, which are important raw materials in nylon industry, is still being challenged in conventional processes. Microreactors and gold catalysts are both widely researched areas at present, so an effort was made to make use of collaborative properties of both. In this study, stainless steel microcapillary coated with a supported nano-gold catalyst was prepared, characterized, and employed for the oxidation of cyclohexane. Under the temperature of 180 °C, residence time of 4 min, reaction pressure of 3 MPa and molar ratio of oxygen to cyclohexane of 0.3:1, the conversion of cyclohexane was 2.09%, with the selectivity of cyclohexanol, 29.37%; cyclohexanone, 39.89%; cyclohexyl hydroperoxide, 2.46%; and adipic acid, 18.87%. Experiments showed that stainless steel microcapillary coated with a supported nano-gold catalyst in cyclohexane oxidation is a feasible process; the reaction time is very short, and the process operation runs safely.

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Journal of Flow Chemistry
Language English
Size A4
Year of
Foundation
2011
Volumes
per Year
1
Issues
per Year
4
Founder Áramlásos Kémiai Tudományos Társaság
Founder's
Address
H-1031 Budapest, Hungary Záhony utca 7.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 2062-249X (Print)
ISSN 2063-0212 (Online)