| 摘要 |
Fodder and fat are prepd. from slaughterhouse waste as follows; (a) the animal raw material is heated to 60-100 deg.C, then immediately sepd. in a press to a solid and a liq. phase; (b) the solid material is dried, and then fat and solid are sepd. individually; (c) the liq. phase is separately evapd. and the prod. is wholly or partially fed to the solid material phase for the individual sepn. of fat and solid material, or the evapn. prod. is worked up further directly into fat; and (d) the heat energy from the gases emitted from the drying ste of the solid material phase is used in the evapn. step of the liq. phase. - Opt. the evapn. of the fluid phase is effected initially with the heat energy from the drying step of the solid phase material, then in a 2nd step with live steam; the emitted gases from this 2nd evapn. is then supplied back to the 1st evapn. step (with the gas heat from the drying step). The process affords a fat, and a fodder (meat and bone meal) contg. 5-10% H2O, 8-15% fat, and 75-85% dry material. - Economical process affords a fodder with a relatively low fat content, and a fat with a low content of dry material. In addn., fine grinding of the raw material is not required. (First major country equivalent to NO8103485-A)
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