Method of continuous centrifugal removal of residual liquid wast

Details Method of continuous centrifugal removal of residual liquid wast Method of continuous centrifugal removal of residual liquid wast

1991-05-17

1992-11-03

Dawson, Robert A.

Liquid purification or separation

Processes

Separating

134 17, 134132, 134133, 210787, 210803, 210374, 494 53, B01D 3315

Patent

active

051604418

ABSTRACT:
The present invention is a method for using a horizontal, continuous process auger centrifuge to separate the granulated material of a container from whatever liquid residue remains within the container. Though this technology is suitable for many diverse applications, a primary objective is the continuous separation of the recyclable plastic of a motor oil container from the remaining reusable motor oil within the container after the container has ostensibly been emptied. It is an objective of the method to accomplish this separation in an economically advantageous manner which uses neither a solvent nor a wash process, and which reclaims the oil in a suitable state for reprocessing. In a second method, a rinsing mechanism is employed by which a residual liquid waste, such as soap, may be concentrated and separated in a first rinse stage without introducing the residual liquid waste in dilute form into the waste water treatment process.

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