Osmotic dehydration coupled reverse osmosis concentration: steady-state model and assessment

Citation
Sk. Karode et al., Osmotic dehydration coupled reverse osmosis concentration: steady-state model and assessment, J MEMBR SCI, 164(1-2), 2000, pp. 277-288
Citations number
10
Categorie Soggetti
Chemistry,"Chemical Engineering
Journal title
JOURNAL OF MEMBRANE SCIENCE
ISSN journal
03767388 → ACNP
Volume
164
Issue
1-2
Year of publication
2000
Pages
277 - 288
Database
ISI
SICI code
0376-7388(20000104)164:1-2<277:ODCROC>2.0.ZU;2-5
Abstract
A steady-state analysis was made for evaluating the RO concentration of sug ar solutions assisted by flowing a brine solution in counter-current mode t hrough the permeate side. Calculations show that membrane area requirements for high solute concentrations could be reduced by combining RO with osmot ic dehydration. The area requirements are sensitive to salt concentration p olarization on the permeate side, particularly when low feed pressures are used. It appears feasible to design membranes/modules with low enough value s of permeate side concentration polarization to enable effective feed solu tion concentration (C) 2000 Elsevier Science B.V. All rights reserved.