V-Cu composite oxide catalyst for transesterification of dimethyl carbonate with phenol to diphenyl carbonate
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作者:
Tong Dongshen
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Chinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R ChinaChinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R China
Tong Dongshen
[1
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Chen Tong
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机构:Chinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R China
Chen Tong
Yao Jie
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机构:Chinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R China
Yao Jie
Wang Yue
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机构:Chinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R China
Wang Yue
Wang Gongying
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机构:Chinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R China
Wang Gongying
Shi Dachuan
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机构:Chinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R China
Shi Dachuan
Li Zheng
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机构:Chinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R China
Li Zheng
Chen Zhiming
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机构:Chinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R China
Chen Zhiming
机构:
[1] Chinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R China
[2] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
[3] CNPC, Jilin Petrochem Co, Jilin 132021, Peoples R China
The V-Cu composite oxide catalyst was prepared by coprecipitation and used for the synthesis of diphenyl carbonate (DPC) by transesterification of dimethyl carbonate (DMC) with phenol. The effect of the molar ratio of V/Cu and the reusability of the catalyst were investigated. The catalyst showed the highest activity with a V/Cu molar ratio of 4/1. Under the conditions of 150 similar to 180 degrees C and 9 h, the conversion of phenol and the transesterification selectivity over the V-Cu catalyst were 37.0 % and 96.8 %, respectively. According to the X-ray diffraction results, the V-Cu composite oxide was composed of crystalline V2O5 and CuV2O6 at V/Cu = 4/1. Both crystalline V2O5 and CuV2O6 were the active phase. In addition, the activity of the catalyst was reduced from 37.0 % to 23.7 % after the catalyst was reused three times. However, the used catalyst could be easily regenerated by calcination at 550 degrees C in air for 5 h, and the catalytic activity of the regenerated catalyst was almost as high as that of the fresh sample.
机构:Chinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R China
Du, ZP
Kang, WK
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机构:Chinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R China
Kang, WK
Cheng, T
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机构:Chinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R China
Cheng, T
Yao, J
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机构:Chinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R China
Yao, J
Wang, GY
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机构:
Chinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R ChinaChinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R China
机构:
Chinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R ChinaChinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R China
Han, HJ
Chen, T
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机构:Chinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R China
Chen, T
Yao, J
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机构:Chinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R China
Yao, J
Wang, GY
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机构:Chinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R China
机构:Chinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R China
Niu, HY
Yao, J
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机构:Chinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R China
Yao, J
Wang, Y
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机构:Chinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R China
Wang, Y
Wang, GY
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机构:
Chinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R ChinaChinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R China
机构:Chinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R China
Du, ZP
Kang, WK
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机构:Chinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R China
Kang, WK
Cheng, T
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机构:Chinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R China
Cheng, T
Yao, J
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机构:Chinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R China
Yao, J
Wang, GY
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机构:
Chinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R ChinaChinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R China
机构:
Chinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R ChinaChinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R China
Han, HJ
Chen, T
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机构:Chinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R China
Chen, T
Yao, J
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机构:Chinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R China
Yao, J
Wang, GY
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机构:Chinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R China
机构:Chinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R China
Niu, HY
Yao, J
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机构:Chinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R China
Yao, J
Wang, Y
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机构:Chinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R China
Wang, Y
Wang, GY
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机构:
Chinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R ChinaChinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R China