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- Title
Oxychlorination-Dehydrochlorination Chemistry on Bifunctional Ceria Catalysts for Intensified Vinyl Chloride Production.
- Authors
Scharfe, Matthias; Lira ‐ Parada, Pedro A.; Paunović, Vladimir; Moser, Maximilian; Amrute, Amol P.; Pérez ‐ Ramírez, Javier
- Abstract
Ceria catalyzes the one-step production of the vinyl chloride monomer (VCM) from ethylene with a high yield because of its bifunctional character: redox centers oxychlorinate ethylene to ethylene dichloride (EDC), which is subsequently dehydrochlorinated to VCM over strong acid sites generated in situ. Nanocrystalline CeO2 and CeO2-ZrO2 lead to a VCM yield of 25 % in a single pass, outperforming the best reported systems and reaching industrially attractive levels. The use of CeO2 intensifies the current two-step process within PVC production encompassing CuCl2-catalyzed oxychlorination and thermal cracking. In addition, ceria-based materials offer stability advantages with respect to the archetypical CuCl2-based catalysts.
- Subjects
CHLORINATION; BIFUNCTIONAL catalysis; CERIUM oxides; VINYL chloride; MONOMERS
- Publication
Angewandte Chemie, 2016, Vol 128, Issue 9, p3120
- ISSN
0044-8249
- Publication type
Article
- DOI
10.1002/ange.201510903