Development of Simulated Moving Bed Reactor Using a Cation Exchange Resin as a Catalyst and Adsorbent for the Synthesis of Acetals

Gandi, Ganesh K.; Silva, Viviana; Rodrigues, A.E.

doi:10.1201/9781420007411.ch2

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“…The acetals synthesis involves thermodynamic equilibrium limited reactions, and the conventional process for their production makes use of a reactor followed by several separation steps (mostly distillation) to recover and recycle the unconverted reactants and to remove water in order to obtain acetals with the desired purity. 13 However, this process represents high energy consumption and high capital costs (investment in several reaction/separation units). Therefore, the most feasible engineering solution for their production is the use of hybrid technologies, where reaction and separation occur, simultaneously, into the same piece of equipment, as the simulated moving bed reactor (SMBR).…”

Section: H O (L) C H O(l) C H O (L) H O(l)mentioning

confidence: 99%

Isobaric Vapor–Liquid Equilibrium Data for Binary System of Glycerol Ethyl Acetal and Acetonitrile at 60.0 kPa and 97.8 kPa

et al. 2013

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Isobaric vapor−liquid equilibrium (VLE) data for the binary mixture of glycerol ethyl acetal (GEA) and acetonitrile were measured at 60.0 kPa and 97.8 kPa, using a dynamic recirculating still. The VLE data were correlated using the nonrandom two-liquid (NRTL) and universal quasichemical activity coefficient (UNIQUAC) models, and the interaction parameters of this mixture were estimated. The experimental procedure was checked by measuring VLE data at 97.8 kPa of the wellknown system acetone/methanol showing high conformity, as given by applying a set of VLE consistency tests. The vapor pressure of GEA was measured, for the first time, in the temperature range from 371.85 K to 456.85 K, and it is described by the following expression: ln P GEA sat (Pa) = 24.17 − 5781/T(K). The information collected is of utmost importance for the purification of GEA synthesized using simulated moving bed reactor technology.

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Section: H O (L) C H O(l) C H O (L) H O(l)mentioning

confidence: 99%