Food or edible material: processes – compositions – and products – Direct application of electrical or wave energy to food...
Patent
1976-08-25
1978-02-14
Hunter, Jeanette M.
Food or edible material: processes, compositions, and products
Direct application of electrical or wave energy to food...
426241, 426242, 426244, 426453, 426285, A23L 222, A21D 600
Patent
active
040739511
ABSTRACT:
Method for agglomerating finely divided particulate solid materials which are capable of agglomerating by intersurface moisture for inter-particle adherence. A mass of the particulate material in a cool atmosphere in an agglomeration zone is simultaneously agitated and subjected to electromagnetic radiation to cause the free moisture contained within the particles to appear in liquid state at the surfaces of the particles so that, with the agitation causing random particle-to-particle contact, agglomeration by inter-particle adherence occurs in the same manner as if extraneous moisture had been introduced. Advantageously, radio frequency energy is employed to accomplish dielectric heating of the moisture within the particle, the moisture escaping to the surface of the particle but persisting there in liquid state because the solid matter of the particle is not heated to a temperature such as to cause unduly rapid vaporization of the moisture. In addition to accomplishing agglomeration without adding extraneous moisture, the method has the advantages of reducing the moisture content and essentially sterilizing the agglomerated material.
REFERENCES:
patent: 3143428 (1964-08-01), Reimers et al.
patent: 3432636 (1969-03-01), Sargeant
patent: 3463642 (1969-08-01), Sigman
patent: 3703861 (1972-11-01), Slack et al.
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