Food or edible material: processes – compositions – and products – Products per se – or processes of preparing or treating... – Animal derived material is an ingredient other than extract...
Patent
1991-03-06
1992-02-11
Penland, R. B.
Food or edible material: processes, compositions, and products
Products per se, or processes of preparing or treating...
Animal derived material is an ingredient other than extract...
426285, 426335, 426518, 426520, 426532, 426623, 426630, 426641, 426807, A23K 110
Patent
active
050874748
ABSTRACT:
A stepwise method of recovering high integrity particulate feed supplement fats free of live pathogens and malodors from abatoir sludge containing substantial fat components in a vacuum evaporating granulator. The method comprises: primary comminuting aqueous abatoir sludge with strong base until a fluid suspension of finely divided particles is formed; evaporatively heating the suspension until the dry matter amounts to more than 70 percent and the strong base has reacted with the fat component and coagulated the fluid suspension to form soft homogeneous solid agglomerates; secondary comminuting the agglomerates with high speed blades until particles are formed with diameters smaller than 5 millimeters; and setting the particles by heating under vacuum until the particles harden, exhibit no malodors, and are free of live pathogens. A chemical agent such as phosphoric acid or uncondensed urea-formaldehyde concentrate may be additively reacted with the abatoir sludge to ameliorate odors and pathogens. A fat source suitable for inclusion in the feed rations for ruminants and monogastric animals is provided by the instant method. Mixtures of abatoir sludges or abatoir sludge admixed with animal feeds may be used in the method.
REFERENCES:
patent: 3615651 (1971-10-01), Parks
patent: 4361590 (1982-11-01), Wojcik
patent: 4565709 (1986-01-01), Berge et al.
patent: 4593614 (1986-06-01), Berge et al.
patent: 5021077 (1991-06-01), Moore
W. S. Galler and C. B. Davey, "High Rate of Poultry Manure Composting with Sawdust", Proceedings, International Symposium on Livestock Wastes, Apr. 19-22, 1971, Columbus, Ohio.
Harmony Products Inc.
Penland R. B.
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