1997
DOI: 10.1016/s0167-2991(97)80888-9
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Selective catalytic hydrogenation of 2-butyne-1,4-diol to cis-2-butene-1,4-diol in mass transfer efficient slurry reactors

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Cited by 38 publications
(38 citation statements)
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“…Hydrogen pretreatment of the catalyst was found to enhance the catalyst activity possibly due to the formation of highly active β-Pd _ H sites. The cata lyst was found to retain its activity up to ten recycles giving a total TON of 1.86×10 4 , which is an order of magnitude higher than the literature value. A rate equation has been proposed based on the initial rate data and intrinsic kinetic parameters were evaluated.…”
Section: Discussionmentioning
confidence: 55%
“…Hydrogen pretreatment of the catalyst was found to enhance the catalyst activity possibly due to the formation of highly active β-Pd _ H sites. The cata lyst was found to retain its activity up to ten recycles giving a total TON of 1.86×10 4 , which is an order of magnitude higher than the literature value. A rate equation has been proposed based on the initial rate data and intrinsic kinetic parameters were evaluated.…”
Section: Discussionmentioning
confidence: 55%
“…Pd supported on active carbon ÿl-aments (ACF) in the form of woven fabrics was tested for activity=selectivity in this reaction. Metallic palladium is known to selectively reduce triple bonds (Tedeschi & Clark, 1962) and Pd=C catalysts are known to hydrogenate 2-butyne-1,4-diol to 2-butene-1,4-diol with selectivity up to ¿ 99% (Chaudhari, Gholap, Emig, & Hofmann 1987a;Chaudhari, Jaganathan, Kohle, Emig, & Hofmann, 1987b;Winterbottom et al, 1997). The use of activated carbon in the form of ÿlamentous woven materials as catalytic supports have been already reported in the scientiÿc literature (Jin, Park, Lee, & Ryu, 1996;Mochida et al, 1997;Mochida et al, 1997a,b;Perez et al, 1997;Yoshikawa, Yasutake, & Mochida, 1998;Moon, Park, Kim, & Seo, 1999;Ryu, Kim, Li, & Jaroniec, 1999;Mochida et al, 2000).…”
Section: Introductionmentioning
confidence: 94%
“…The reaction is usually carried out in an aqueous solution at elevated pressures (Hort & Graham, 1962;Ho mann et al, 1974). The reaction network (Winterbottom et al, 1997) is schematically presented in Fig. 1, showing that the target product, cis-2-butene-1,4-diol, is an intermediate and can undergo further hydrogenation.…”
Section: Introductionmentioning
confidence: 99%
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“…The basic g-Al 2 O 3 containing hydroxyl groups [26] is often used as support for the hydrogenation catalysts [21,22,24,27] and therefore was employed by us in this work. The hydrogenation product 2-butene-1,4-diol (B2) is industrially important since it is used as an intermediate in the production of endosulfan, vitamins A and B 6 , as well as in the paper, textile and resin industries [28,29].…”
Section: Introductionmentioning
confidence: 99%