Studies on the Catalytic Performance of the Nieuwland Catalyst and Anhydrous Catalyst in the Dimerization of Acetylene to Monovinylacetylene

Jian Guo Liu; Ming Han Han; Zhan Wen Wang

doi:10.4028/www.scientific.net/AMR.550-553.312

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 550-553Studies on the Catalytic Performance of the...

Studies on the Catalytic Performance of the Nieuwland Catalyst and Anhydrous Catalyst in the Dimerization of Acetylene to Monovinylacetylene

Abstract:

The present work aimed to find reasons for different catalytic ability of the Nieuwland catalyst and anhydrous catalyst in dimerization of acetylene to produce Monovinylacetylene (MVA). The results showed the catalytic ions in the Nieuwland catalyst and the anhydrous catalyst were CuCl^-₂ and Cu₂Cl^-₃ respectively by studies on the Cu-containing crystals recovered from corresponding catalyst. CuCl^-₂ in crystal A and Cu₂Cl^-₃ in crystal B has similar crystal structure, however, Cu(Ι) in Cu₂Cl^-₃ has higher electron density due to stronger bond energy of Cu(Ι)-Cl, which may contribute to the higher activity of the anhydrous catalyst than that of Nieuwland catalyst.

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Advanced Materials Research (Volumes 550-553)

Pages:

312-316

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.550-553.312

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Online since:

July 2012

Authors:

Jian Guo Liu, Ming Han Han, Zhan Wen Wang

Keywords:

Acetylene, Catalytic Anion, Cu(Ι) Catalyst

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