Catalytic activity dependence on morphological properties of acidic ion-exchange resins for the simultaneous ETBE and TAEE liquid-phase synthesis

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dc.contributor	Universitat de Barcelona
dc.contributor.author	Soto López, Rodrigo
dc.contributor.author	Fité Piquer, Carles
dc.contributor.author	Ramírez Rangel, Eliana
dc.contributor.author	Iborra Urios, Montserrat
dc.contributor.author	Tejero Salvador, Xavier
dc.date	2018-04-11T15:48:44Z
dc.date	2019-01-24T06:10:23Z
dc.date	2018-01-24
dc.date	2018-04-11T15:48:45Z
dc.identifier.citation	2058-9883
dc.identifier.citation	679842
dc.identifier.uri	http://hdl.handle.net/2445/121482
dc.format	11 p.
dc.format	application/pdf
dc.language.iso	eng
dc.publisher	Royal Society of Chemistry
dc.relation	Versió postprint del document publicat a: https://doi.org/10.1039/c7re00177k
dc.relation	Reaction Chemistry & Engineering, 2018, vol. 3, num. 2, p. 195-205
dc.relation	https://doi.org/10.1039/c7re00177k
dc.rights	(c) Soto López, Rodrigo et al., 2018
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Catàlisi
dc.subject	Resines de bescanvi iònic
dc.subject	Èters
dc.subject	Catalysis
dc.subject	Ion exchange resins
dc.subject	Ethers
dc.title	Catalytic activity dependence on morphological properties of acidic ion-exchange resins for the simultaneous ETBE and TAEE liquid-phase synthesis
dc.type	info:eu-repo/semantics/article
dc.type	info:eu-repo/semantics/acceptedVersion
dc.description.abstract	The simultaneous liquid-phase synthesis of 2-ethoxy-2-methylpropane (ETBE) and 2-ethoxy-2-methylbutane (TAEE) has been studied over fifteen commercial acidic ion-exchange resins. Kinetic experiments were carried out in a batch reactor at T = 335 K and initial molar ratios of alcohol to olefins (R°A/O) and between olefins (R°C4/C5) of 1.1 and 1, respectively. The catalytic activity, measured as intrinsic initial etherification rates, has been found to decrease in the order: Amberlyst¿ 35 > Amberlyst¿ 48 > Purolite® CT-275 > Amberlyst¿ 15 > Purolite® CT-175 > Amberlyst¿ 40 > Amberlyst¿ 36 > Amberlyst¿ 16 > Purolite® CT-482 > Amberlyst¿ 39 > Amberlyst¿ DT > Amberlyst¿ 45 > Purolite® CT-124 > Purolite® MN-500 > Amberlyst¿ 46. This catalytic activity rank is related to the morphological properties of the resins in both dry and swollen states. The ratio of acid capacity to specific volume of the swollen polymer has been found to be the main catalyst properties that determine their activity: the higher the ratio, the higher the activity.

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