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- Title
Deactivation of Ion Exchange Catalysts by Acetonitrile and Methylamine.
- Authors
González, R.; Fité, C.; Cunill, F.; Topp, K.-D.; Olsen, R.
- Abstract
The deactivating effect of acetonitrile (ACN) and monomethylamine (MMA) on ion-exchange resins Amberlyst 35 WET and Amberlyst 15 WET in the ETBE synthesis at different temperatures and poison concentrations has been studied. Deactivation is enhanced at high temperature and high poison concentration. MMA presents a higher deactivating effect than ACN. Amberlyst 35 WET is more active, and presents a higher resistance to deactivation than Amberlyst 15 WET. At integral regime, a stochiometric ratio of the fed poison and the active centers has been determined. At differential regime, two different periods have been observed as deactivation progresses, and an empirical expression of the exponential activity decay for Amberlyst 35 WET is proposed.
- Subjects
CATALYST poisoning; ION exchange resins; ACETONITRILE; AMINES; TEMPERATURE effect; ETHERS; ORGANIC synthesis
- Publication
Topics in Catalysis, 2011, Vol 54, Issue 16-18, p1054
- ISSN
1022-5528
- Publication type
Article
- DOI
10.1007/s11244-011-9725-7