期刊
APPLIED CATALYSIS A-GENERAL
卷 441, 期 -, 页码 136-141出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apcata.2012.07.015
关键词
Aerobic oxidation; Cyclohexane; Adipic acid (AA); One-step AA process
资金
- Research Award Fund for outstanding young scientists of Shandong Province in China [BS2010NJ017]
- Project of Shandong Province Higher Educational Science and Technology Program [J11LB16]
Aerobic oxidation of cyclohexane to adipic acid (M) was performed using a series of environmentally benign Anderson-type as catalysts. It is found that the Anderson-type catalyst with metal molybdenum as the central ion, [(C18H37)(2)N(CH3)(2)](6)Mo7O24, showed the highest catalytic activity and selectivity among the prepared catalysts. The effect of several reaction parameters (the amount of catalyst, oxygen pressure, reaction temperature and time) on the oxidation process was investigated and optimized. The catalyzed system (catalyst concentration: 1 ppm, 160 degrees C, 6 h) demonstrated excellent reactivity that 87.1% selectivity for AA can be achieved at good conversion (10.2%) and the turnover number (TON) can reach 3.3 x 10(7). The oxidative mechanism was observed to be involved in a free radical process. (C) 2012 Elsevier B.V. All rights reserved.
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