Processing vegetable oils using nonporous denser polymeric composite membranes
作者： R. Subramanian , M. Nakajima , K. S. M. S. Raghavarao , T. Kimura
DOI: 10.1007/S11746-004-0901-Z
关键词: Membrane 、 Porous medium 、 Organic chemistry 、 Membrane theory 、 Permeation 、 Reverse osmosis 、 Permeability (earth sciences) 、 Chemistry 、 Chemical engineering 、 Composite membrane 、 Vegetable oil
摘要: Membrane processing offers several advantages over conventional processes for edible oil refining. In recent years, solvent-extracted, screw-pressed, and used frying oils using nonporous denser polymeric composite membranes without pretreatment addition of chemicals has been extensively investigated. the present review, results obtained with real model systems have summarized a comprehensive explanation is provided on mechanism rejection differential permeation constituents. Phospholipid-TG pigment-TG are construed as solute-solvent systems, tocopherol-TG FFA-TG treated liquid mixtures exhibiting permeability. Dense membrane theory appears more applicable than reverse osmosis in qualitatively explaining permeability constituents oil. to potential be one-step process, especially screw-pressed oils, producing premium-quality product. However, development suitable that enable higher fluxes necessary industrial adoption this technology.
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