2010
DOI: 10.1007/s11244-010-9550-4
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Selective Hydrogenation of 2-Butyne-1,4-diol to 1,4-Butanediol Over Particulate Raney® Nickel Catalysts

Abstract: The current study describes the results on the selective hydrogenation of the 2-butyne-1,4-diol to 1,4-butanediol over Raney Ò nickel catalysts both in batch and in CSTR mode. The detailed kinetic analysis of the reaction in batch mode revealed the existence of three characteristic regions. In the first region, A, the starting 2-butyne-1,4-diol produces primarily cis-2-butene-1,4-diol.In the second region, B, the dominant species is cis-2-butene-1,4-diol, which is either hydrogenated to 1,4-butanediol or isome… Show more

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Cited by 25 publications
(28 citation statements)
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“…[8,47] In order to prove this deduction, we also made an investigation on the product distribution by changing the H 2 pressures for 3 h batch reaction. As the reaction duration prolonged, the yields of by-products were first slightly increasing and then decreasing since some of the byproducts may also be reversibly hydrogenated to BDO.…”
Section: Kinetic Curves Of Byd Hydrogenation Over the Nià Cu@sio 2 Comentioning
confidence: 92%
See 2 more Smart Citations
“…[8,47] In order to prove this deduction, we also made an investigation on the product distribution by changing the H 2 pressures for 3 h batch reaction. As the reaction duration prolonged, the yields of by-products were first slightly increasing and then decreasing since some of the byproducts may also be reversibly hydrogenated to BDO.…”
Section: Kinetic Curves Of Byd Hydrogenation Over the Nià Cu@sio 2 Comentioning
confidence: 92%
“…As the reaction duration prolonged, the yields of by-products were first slightly increasing and then decreasing since some of the byproducts may also be reversibly hydrogenated to BDO. [8,47] In order to prove this deduction, we also made an investigation on the product distribution by changing the H 2 pressures for 3 h batch reaction. Data listed in Table S5 proved that HTHF can be suppressed or re-hydrogenated to BDO under a more intense hydrogenation condition.…”
Section: Kinetic Curves Of Byd Hydrogenation Over the Nià Cu@sio 2 Comentioning
confidence: 92%
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“…In general, the formation of polyacetylene is due to two factors: (1) metallic Cu catalyzes the polymerization of acetylene and (2) the acidic center favors the formation of polyacetylene [20]. According to the XRD and XAES results of used samples, metallic Cu was observed in Cu2O-NO3, but only a small amount of metallic Cu existed in Cu2O-Cl (2). This metallic Cu may be responsible for promoting the formation of polyacetylene, which covered the surface of the catalyst, resulting in its deactivation.…”
Section: Structure and Surface Analysis Of Used Cu 2 O Catalystsmentioning
confidence: 98%
“…Catalytic ethynylation of formaldehyde is an important initial process for mass production of high-value intermediates, such as 1,4-butynediol (BD), propynol (PO), and downstream chemicals, such as 1,4-butanediol (BDO), 3-butene-1-alcohol (BTO), tetrahydrofuran (THF), poly (tetramethylene ether) glycol (PTMEG), γ-butyrolactone (GBL), polybutylene succinate (PBS), and polybutylene terephthalate (PBT). These compounds are in high demand in various industries, such as pharmaceutical, textile, military, electrical/electronics, automotive manufacturing, and others [1][2][3][4][5][6][7][8].…”
Section: Introductionmentioning
confidence: 99%