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Title: Direct contact membrane distillation of sugar aqueous solutions

Abstract

Results are given from direct contact membrane distillation, using tangential flows to the membrane, with sugar aqueous solutions. Several effects on the distillation process are examined: flow rate through the cell, nature of the feed solutions, initial concentrations of the feed solutions, average temperature, and temperature difference. On the basis of enthalpy flux conservation in the different regions, various systems of equations are proposed for the estimation of the interfacial temperatures. Based on the known temperatures of the liquid-vapor interfaces, the experimental distillate fluxes for several sets are fitted to the gas stagnant film diffusion model to obtain the effective diffusion coefficients of the water vapor-air mixture, D{sub ef}, and the results are analyzed.

Authors:
; ;  [1]
  1. Univ. Complutense, Madrid (Spain). Dept. de Fisica Aplicada
Publication Date:
OSTI Identifier:
682246
Resource Type:
Journal Article
Resource Relation:
Journal Name: Separation Science and Technology; Journal Volume: 34; Journal Issue: 9; Other Information: PBD: Jun 1999
Country of Publication:
United States
Language:
English
Subject:
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION; SACCHAROSE; DISTILLATION; MEMBRANE TRANSPORT; PARAMETRIC ANALYSIS; MATHEMATICAL MODELS; TEMPERATURE GRADIENTS; EXPERIMENTAL DATA

Citation Formats

Izquierdo-Gil, M.A., Garcia-Payo, M.C., and Fernandez-Pineda, C.. Direct contact membrane distillation of sugar aqueous solutions. United States: N. p., 1999. Web. doi:10.1081/SS-100100738.
Izquierdo-Gil, M.A., Garcia-Payo, M.C., & Fernandez-Pineda, C.. Direct contact membrane distillation of sugar aqueous solutions. United States. doi:10.1081/SS-100100738.
Izquierdo-Gil, M.A., Garcia-Payo, M.C., and Fernandez-Pineda, C.. Tue . "Direct contact membrane distillation of sugar aqueous solutions". United States. doi:10.1081/SS-100100738.
@article{osti_682246,
title = {Direct contact membrane distillation of sugar aqueous solutions},
author = {Izquierdo-Gil, M.A. and Garcia-Payo, M.C. and Fernandez-Pineda, C.},
abstractNote = {Results are given from direct contact membrane distillation, using tangential flows to the membrane, with sugar aqueous solutions. Several effects on the distillation process are examined: flow rate through the cell, nature of the feed solutions, initial concentrations of the feed solutions, average temperature, and temperature difference. On the basis of enthalpy flux conservation in the different regions, various systems of equations are proposed for the estimation of the interfacial temperatures. Based on the known temperatures of the liquid-vapor interfaces, the experimental distillate fluxes for several sets are fitted to the gas stagnant film diffusion model to obtain the effective diffusion coefficients of the water vapor-air mixture, D{sub ef}, and the results are analyzed.},
doi = {10.1081/SS-100100738},
journal = {Separation Science and Technology},
number = 9,
volume = 34,
place = {United States},
year = {Tue Jun 01 00:00:00 EDT 1999},
month = {Tue Jun 01 00:00:00 EDT 1999}
}