Refining

Details Refining Refining

1983-04-20

1985-08-06

Sneed, Helen M. S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2604285, C09F 510, C11B 300

Patent

active

045335010

ABSTRACT:
Lipids, especially crude glyceride oils and phosphatides, are refined by contact under superatmospheric pressure with ultrafiltration membrane, preferably in a miscella in a solvent permeable to the membrane. An additive solute is introduced into the lipid which is impermeable to the membrane to aid the filtration, which may be a phospholipid, gum or soap. The latter may be produced in situ by neutralizing free fatty acid present, especially with ammonia or polyvalent metal compounds and the additives may be introduced in the form of an additional crude lipid.

REFERENCES:
patent: 2939790 (1960-06-01), Clayton
patent: 3354188 (1967-11-01), Bock et al.
patent: 3847804 (1974-11-01), Pico
patent: 4062882 (1977-12-01), Sen Gupta
patent: 4093540 (1978-06-01), Sen Gupta
patent: 4103039 (1978-07-01), Mandai et al.
patent: 4104288 (1978-08-01), Iwanaga et al.
patent: 4154750 (1979-05-01), Moore et al.
patent: 4162260 (1979-07-01), Segers
patent: 4414157 (1983-11-01), Iwama et al.

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