Apparatus for desolventizing and drying solvent-containing resid

Details Apparatus for desolventizing and drying solvent-containing resid Apparatus for desolventizing and drying solvent-containing resid

1985-08-27

1986-11-18

Yeung, George

Drying and gas or vapor contact with solids

Apparatus

For diverse operations on treated material

34 86, 34171, 426489, F26B 1900, F26B 1712

Patent

active

046227601

ABSTRACT:
In the desolventizing of solvent-containing residues which are obtained in the extraction from vegetable, oil and fat-bearing raw materials with organic solvents and from which the so-called miscella containing oil and/or fat has been separated, the desolventization proper by direct action of a desolventizing agent, particularly steam, is relieved by interposing before the desolventization proper a pre-desolventization with indirect heat transfer, particularly indirect steam heating, and thereby the energy input of the entire system is reduced considerably.
Moreover, the drying and cooling of the now solvent-free residue, which follows the desolventizing, can take place in a single, combined stage, whereby further relief of the volume of apparatus as well as the energy input is achieved.

REFERENCES:
patent: 2585793 (1952-02-01), Kruse
patent: 2639973 (1953-05-01), Fritz
patent: 2676668 (1954-04-01), Lindsay
patent: 2776894 (1957-01-01), Kruse
patent: 3126285 (1964-03-01), Lippold
patent: 4332092 (1982-06-01), Hansotte
patent: 4523388 (1985-06-01), Cuel
Von H. Schumacher, "Der Desolventizer-Toaster-Trockner-Kuhler (TTK), ein neues Verfahren bei der Verarbeitung von Olsaaten", Fette-Seifen-Anstrichmittel, 1976, p. 4.

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