Fat extraction process and apparatus

Details Fat extraction process and apparatus Fat extraction process and apparatus

1988-10-11

1991-05-21

Wax, Robert A.

Chemistry: analytical and immunological testing

Including sample preparation

Liberation or purification of sample or separation of...

422 99, 422101, 422280, 2604128, 203DIG2, G01N 100, B01D 1102, C11B 110

Patent

active

050175009

ABSTRACT:
A process and apparatus for solvent extraction of fat from a sample. The ple is held in a thimble located in a sample vessel. The sample vessel holds solvent in which the sample is initially immersed. The solvent is vaporized by a heating unit and condenses on a cooling coil above the sample vessel. The condensed solvent is caught in a funnel equipped with a drain line leading to an external solvent collection vessel. A timer controlled valve opens and closes the drain line. The fat extraction process includes a boiling phase during which the valve is closed so that the condensed solvent overflows the funnel and returns to the sample vessel, a solvent level lowering phase during which the valve is open to direct solvent to the collection vessel until the solvent level in the sample vessel is below the sample, a washing phase during which the valve is closed to cause the condensed solvent to overflow the funnel and drip onto the sample, and a solvent recovery phase during which the valve is pen to direct the solvent to the collection vessel.

REFERENCES:
patent: 3798133 (1974-03-01), Randall

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