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Membrane degumming of crude soybean and rapeseed oils.
| Content Provider | CSIR - Central Food Technological Research Institute (CFTRI) |
|---|---|
| Author | Subramanian, R. Nakajima, M. |
| Abstract | Membrane separation in edible oil processing is a potential area for energy savings. However, technical and operating- cost-related barriers have impeded the successful application of membrane separation in food processing. Studies were undertaken with soybean and rapeseed oils in a magnetically stirred flat-membrane batch cell with two types of composite polymeric membranes at 3 MPa pressure and at a constant temperature of 40°C. The membranes were NTGS-1100 and NTGS- 2100, and used silicon as the active layer and polysulfone and polyimide as support layers, respectively. The membrane selectively rejected phospholipids, the content being less than 240 mg/kg in the permeate without any pretreatment or dilution of crude oil with organic solvent. Long-term studies up to 97 days with soybean oil at two different pressures, 2 and 3 MPa, showed that the rejection of phosphatides was above 96% in most permeates. The permeate flux remained nearly constant but must be improved. |
| Starting Page | 971 |
| Ending Page | 975 |
| Page Count | 5 |
| File Format | |
| Journal | Journal of the Americal Oil Chemists' Society. |
| Volume Number | 74 |
| Issue Number | 8 |
| Language | English |
| Access Restriction | Authorized |
| Subject Keyword | Processing and Engineering Lipids-oils/fats |
| Content Type | Text |
| Resource Type | Article |
