Cleaning and liquid contact with solids – Processes – Using solid work treating agents
Patent
1987-08-18
1988-09-06
Therkorn, Ernest G.
Cleaning and liquid contact with solids
Processes
Using solid work treating agents
210660, 210682, 210690, 2105021, 210924, B08B 700
Patent
active
047690844
ABSTRACT:
A method is disclosed for absorbing bases, acids, alcohols and radioactive liquids using phenol resin foamed plastic particles. The size of the particles should lie between about 0.3 and 3 mm. The particles are initially closed-celled, but have been powdered or fine flaked. They may be treated with an acid for absorbing a base, or with a base for absorbing an acid. A preferred use is in the form of packing material. The particles may be disposed in the form of powder or flakes in liquid-permeable padding. The padding may be composed of a plastic web, in particular a nylon web, or of a non-woven fabric. As packing material the phenol resin foamed plastic may be in the form of sheets, blocks, cubes, tablets, balls or fragments.
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Striker Michael J.
Therkorn Ernest G.
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