A novel supported catalyst for the carbonylation of methanol
Jiang, H; Liu, ZY; Pan, PL; Yuan, GQ
AbstractPorous carbon beads (Ys) prepared from poly(vinylidene chloride) are used as Rh supports for the carbonylation of methanol. TEM and STM images show that uniform pores spread over their surfaces. The optimum temperature for the pyrolysis is 1000 degrees C. The special support has a specific surface area of 1000 m(2)/g with high mechanical strength and thermal stability. The average diameter of pore is in the range of 0.8-1.2 nm suitable for the fine spreading of Rh atoms. XPS spectra indicated that covalent bond is formed between carbon and rhodium in the catalyst, which makes the loss of rhodium become quite little. Catalytic carbonylation results show that the activity and selectivity of this catalyst very excellent. The influence of the external and internal diffusion on the methanol carbonylation was detected. The effect of varying the temperature, concentration of CH,I, content of Ph, initial partial pressure of CO and added acetic acid was examined. (C) 1999 Elsevier Science B.V. All rights reserved.
KeywordRh/ys Catalyst Methanol Carbonylation Acetic Acid
Indexed BySCI
WOS IDWOS:000084280200024
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Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorYuan, GQ
AffiliationChinese Acad Sci, Inst Chem, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Jiang, H,Liu, ZY,Pan, PL,et al. A novel supported catalyst for the carbonylation of methanol[J]. JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL,1999,148(1-2):215-225.
APA Jiang, H,Liu, ZY,Pan, PL,&Yuan, GQ.(1999).A novel supported catalyst for the carbonylation of methanol.JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL,148(1-2),215-225.
MLA Jiang, H,et al."A novel supported catalyst for the carbonylation of methanol".JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL 148.1-2(1999):215-225.
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