ICCAS OpenIR
Selective oxidation of cyclohexane in compressed CO2 and in liquid solvents over MnAPO-5 molecular sieve
Hou, ZS; Han, BX; Gao, L; Liu, ZM; Yang, GY
2002
Source PublicationGREEN CHEMISTRY
ISSN1463-9262
Volume4Issue:5Pages:426-430
AbstractThe selective oxidation reaction of cyclohexane with MnAPO-5 molecular sieve catalyst to produce cyclohexanol and cyclohexanone was carried out in compressed CO2 at 398.2 K using oxygen as an oxidant, and the reaction mixture was controlled to be in the two-phase region, very close to the critical point, and in the supercritical (sc) region of the reaction system. The effect of a small amount of butyric acid cosolvent on the reaction in scCO(2) was also studied. The reaction was also conducted in liquid butyric acid, benzene and CCl4, and in the absence of any solvent. It has been observed that the conversion and selectivity of the reaction in compressed CO2 change considerably with the phase behavior or the apparent density of the reaction system. Addition of a small amount (0.2 mol%) of butyric acid cosolvent to scCO(2) enhances the conversion significantly, and the selectivity also changes considerably. The by-products of the reaction in compressed CO2 with and without the cosolvent are much less than that of the reaction in liquid solvents or in the absence of solvents. It is advantageous to conduct the reaction in supercritical CO2.
DOI10.1039/b200428n
Indexed BySCI
Language英语
WOS IDWOS:000178388200005
PublisherROYAL SOC CHEMISTRY
Citation statistics
Cited Times:36[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/79236
Collection中国科学院化学研究所
Corresponding AuthorHan, BX
AffiliationChinese Acad Sci, Inst Chem, Ctr Mol Sci, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Hou, ZS,Han, BX,Gao, L,et al. Selective oxidation of cyclohexane in compressed CO2 and in liquid solvents over MnAPO-5 molecular sieve[J]. GREEN CHEMISTRY,2002,4(5):426-430.
APA Hou, ZS,Han, BX,Gao, L,Liu, ZM,&Yang, GY.(2002).Selective oxidation of cyclohexane in compressed CO2 and in liquid solvents over MnAPO-5 molecular sieve.GREEN CHEMISTRY,4(5),426-430.
MLA Hou, ZS,et al."Selective oxidation of cyclohexane in compressed CO2 and in liquid solvents over MnAPO-5 molecular sieve".GREEN CHEMISTRY 4.5(2002):426-430.
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