Process for extracting oils from oil containing raw materials
First Claim
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1. Process for extracting oils or fats from vegetable material containing the same without flaking the material which comprises first coarsely crushing the material;
- then conditioning the coarsely crushed material by subjecting it to heat in the presence of moisture;
then pressing the conditioned coarsely crushed material in a rotary press whose pressing area has a cross-section which decreases in the direction of the outlet;
then extracting the pressed, conditioned, coarsely crushed material by contact with a solvent for the oil or fat; and
then recovering the oil or fat.
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Abstract
Apparatus for extraction of oils or fats from oil containing seeds by initially reducing the material size by means of crushing rollers, thereafter heating the material, pressing same in a rotopress having a pressing chamber with decreasing cross section in the direction of the outlet and by finally subjecting the material to a solvent extraction.
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Citations
7 Claims
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1. Process for extracting oils or fats from vegetable material containing the same without flaking the material which comprises first coarsely crushing the material;
- then conditioning the coarsely crushed material by subjecting it to heat in the presence of moisture;
then pressing the conditioned coarsely crushed material in a rotary press whose pressing area has a cross-section which decreases in the direction of the outlet;
then extracting the pressed, conditioned, coarsely crushed material by contact with a solvent for the oil or fat; and
then recovering the oil or fat. - View Dependent Claims (2, 3, 4, 5, 6, 7)
- then conditioning the coarsely crushed material by subjecting it to heat in the presence of moisture;
Specification