Rendering methods and systems

Details Rendering methods and systems Rendering methods and systems

1979-10-05

1981-03-31

Niebling, John F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

202174, 159 17R, C11B 112

Patent

active

042592526

ABSTRACT:
An improved rendering process and system including the use of both a slurry evaporator and cooker. Renderable material is ground and mixed with oil to form a slurry which is then cooked under vacuum in an evaporator to remove some moisture. The resulting partially dewatered slurry is partially deoiled, and the solids residue resulting from deoiling is cooked in a cooker to remove additional moisture. The hot vapors generated by cooking the material in the cooker are used in the steam jacket of the evaporator. Preferably the dewatered solids residue from the cooker is further deoiled.

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