Method and apparatus for adsorptive cleaning of substances

Details Method and apparatus for adsorptive cleaning of substances Method and apparatus for adsorptive cleaning of substances

1997-05-23

1998-05-19

Geist, Gary

Mineral oils: processes and products

Refining

With solid catalyst or absorbent

208299, C10G 2500

Patent

active

057531030

ABSTRACT:
In a method and apparatus for adsorptive cleaning of vegetable and/or mineral oils and fats operating by a multi-stage countercurrent process, in which uncleaned oil is fed to a first stage, where it is put into contact and pre-cleaned with an already used and partly loaded adsorptive agent, fed to a first separating stage, put into contact with fresh adsorptive agent at a second stage, and then fed to a second separating stage and in which the constituents removed from the oil at the second separating stage are re-utilised at the first step in the process, as an already used, partly loaded adsorptive agent, these constituents are obtained and/or prepared as a pumpable sludge and passed to the uncleaned oil in the first stage with air excluded.

REFERENCES:
patent: 5342508 (1994-08-01), Transfeld

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