Solvent recovery from soybean oil/hexane miscella by polymeric membranes
作者： A RIBEIRO , J DEMOURA , L GONCALVES , J PETRUS , L VIOTTO
DOI: 10.1016/J.MEMSCI.2006.05.036
关键词:
摘要: Abstract In this work, solvent recovery from soybean oil/hexane miscellas (1:3, w/w) was studied. Flat sheet polymeric membranes, polysulfone and polysulfone/polyamide based, used in reverse osmosis, nanofiltration ultrafiltration, were tested. The effects of pressure (13–27 bar) temperature (21–49 °C) on permeate flux, oil retention separation free fatty acids (FFA) evaluated by a 22 complete factorial design, with three central points four axial points. Increased resulted higher flux though the membranes has decreased. However, temperatures showed positive permeation. highest (67.12%) observed for low (15 bar) high (45 °C).
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