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Volumn 2, Issue 10, 2012, Pages 2100-2113

Tuning catalytic selectivity: Zeolite- and magnesium oxide-supported molecular rhodium catalysts for hydrogenation of 1,3-butadiene

Author keywords

1,3 butadiene; Catalyst selectivity; Molecular catalyst; Selective hydrogenation; Supported rhodium catalyst

Indexed keywords

1 ,3-BUTADIENE; CO LIGANDS; ELECTRON DONORS; HY ZEOLITE; METAL SPECIES; MGO; MOLECULAR CATALYSTS; N-BUTANE; N-BUTENE; NUCLEARITY; OXIDATIVE FRAGMENTATION; PRIMARY REACTION; RHODIUM CATALYSTS; SECONDARY REACTIONS; SELECTIVE HYDROGENATION;

EID: 84867631212     PISSN: 21555435     EISSN: None     Source Type: Journal    
DOI: 10.1021/cs300475c     Document Type: Article
Times cited : (71)

References (77)
  • 27
    • 84868549576 scopus 로고    scopus 로고
    • The Spectra Of The Zeolite In The Absence Of Rhodium Include A Broad Band Centered At 1870 cm- ;1. After adsorption of the Rh(C2H4) 2(acac) treatment of the resulting sample with flowing H2 at 353 K and 1 bar for 1 h and subsequent contact of the sample with a pulse of CO in helium at 298 K and 1 bar a small shoulder appeared at 1830 cm-1 (Figure 1B, inset)
    • The spectra of the zeolite in the absence of rhodium include a broad band centered at 1870 cm-1. After adsorption of the Rh(C2H4)2(acac), treatment of the resulting sample with flowing H2 at 353 K and 1 bar for 1 h, and subsequent contact of the sample with a pulse of CO in helium at 298 K and 1 bar, a small shoulder appeared at 1830 cm-1 (Figure 1B, inset).
  • 67
    • 0034419752 scopus 로고    scopus 로고
    • The spectra in the νCH region after reaction (once the gas-phase reactants had been purged with helium) included a set of bands corresponding to hydrocarbons that could either be bonded to the rhodium or weakly adsorbed on the support. Detection of these hydrocarbons by EXAFS spectroscopy is not feasible, being hindered by the limitation of the technique in differentiating light backscatterers at similar distances from the Rh atom and by the maximum number of parameters that can be realistically accounted for in a fit of the data (details in SI). Both IR and EXAFS spectroscopies are of limited value for the detection of hydrides in samples such as ours. Koningsberger, D. C.; Mojet, B. L.; van Dorssen, G. E.; Ramaker, D. E. Top. Catal 2000, 10, 143.
    • (2000) Top. Catal , vol.10 , pp. 143
    • Koningsberger, D.C.1    Mojet, B.L.2    Van Dorssen, G.E.3    Ramaker, D.E.4


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.