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Dicyclopentadiene Hydroformylation to Value-Added Fine Chemicals over Magnetically Separable Fe3O4-Supported Co-Rh Bimetallic Catalysts: Effects of Cobalt Loading
Ma, YB (Ma, Yubo); Fu, J (Fu, Jie); Gao, ZX (Gao, Zhixian); Zhang, LB (Zhang, Libo); Li, CY (Li, Chengyang); Wang, TF (Wang, Tianfu)
2017
Source PublicationCATALYSTS
ISSN2073-4344
Volume7Issue:4Pages:1-10
Abstract

Six Co-Rh/Fe3O4 catalysts with different cobalt loadings were prepared by the co-precipitation of RhCl3, Co(NO3)(2), and Fe(NO3)(3) using Na2CO3 as the precipitant. These catalysts were tested for dicyclopentadiene (DCPD) hydroformylation to monoformyltricyclodecenes (MFTD) and diformyltricyclodecanes (DFTD). The results showed that the MFTD formation rate increased with increasing cobalt loading, whereas the DFTD formation rate initially increased and then decreased when the cobalt loading was greater than twice that of Rh. The DFTD selectivity was only 21.3% when monometallic Rh/Fe3O4 was used as the catalyst. In contrast, the selectivity was 90.6% at a similar DCPD conversion when the bimetallic 4Co-2Rh/Fe3O4 catalyst was employed. These catalysts were characterized by temperature-programmed reduction (TPR), temperature-programmed desorption (TPD), and thermogravimetric and differential thermal analyses (TG-DTA). The results obtained by these complimentary characterization techniques indicated that adding cobalt to the Rh/Fe3O4 catalyst enhanced the Rh reducibility and dispersion; the Rh reducibility was easily altered, and increasing the cobalt loading improved the Rh dispersion. It was concluded that the enhanced catalytic performance with increasing cobalt loading might be due to the formation of a more reactive Rh species with a different Rh-phosphine interaction strength on the catalyst surface.

KeywordDicyclopentadiene Hydroformylation Monoformyltricyclodecenes Diformyltricyclodecanes Magnetic Catalyst
DOI10.3390/catal7040103
Indexed BySCI
WOS IDWOS:000403448000008
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.xjipc.cas.cn/handle/365002/5060
Collection环境科学与技术研究室
资源化学研究室
Corresponding AuthorWang, TF (Wang, Tianfu)
Affiliation1.Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Urumqi 830011, Peoples R China
2.Zhejiang Univ, Coll Chem & Biol Engn, Key Lab Biomass Chem Engn, Minist Educ, Hangzhou 310027, Zhejiang, Peoples R China
3.Chinese Acad Sci, Inst Coal Chem, Taiyuan 030001, Peoples R China
Recommended Citation
GB/T 7714
Ma, YB ,Fu, J ,Gao, ZX ,et al. Dicyclopentadiene Hydroformylation to Value-Added Fine Chemicals over Magnetically Separable Fe3O4-Supported Co-Rh Bimetallic Catalysts: Effects of Cobalt Loading[J]. CATALYSTS,2017,7(4):1-10.
APA Ma, YB ,Fu, J ,Gao, ZX ,Zhang, LB ,Li, CY ,&Wang, TF .(2017).Dicyclopentadiene Hydroformylation to Value-Added Fine Chemicals over Magnetically Separable Fe3O4-Supported Co-Rh Bimetallic Catalysts: Effects of Cobalt Loading.CATALYSTS,7(4),1-10.
MLA Ma, YB ,et al."Dicyclopentadiene Hydroformylation to Value-Added Fine Chemicals over Magnetically Separable Fe3O4-Supported Co-Rh Bimetallic Catalysts: Effects of Cobalt Loading".CATALYSTS 7.4(2017):1-10.
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