Consolidating the surface of a granular adsorbent

Details Consolidating the surface of a granular adsorbent Consolidating the surface of a granular adsorbent

1983-03-09

1985-08-13

Lusignan, Michael R.

Coating processes

Particles, flakes, or granules coated or encapsulated

427221, 4273855, 428407, B05D 302, B05D 700

Patent

active

045350051

ABSTRACT:
A process for consolidating the surface of a granular adsorbent, wherein a water-containing adsorbent, which has taken up 25-70% by weight of the maximum possible amount of water, is heated to a temperature at which the water taken up evaporates, and is at the same time treated with an aqueous dispersion of a self-crosslinking copolymer, and the adsorbent thus coated is heated to a temperature at which the copolymer crosslinks. The coated adsorbent has virtually the same adsorption and desorption properties as the untreated adsorbent, but in contrast exhibits substantially improved abrasion resistance.

REFERENCES:
patent: 2988782 (1961-06-01), Parrish et al.
patent: 3544507 (1970-12-01), Lloyd
patent: 4081402 (1978-03-01), Levy et al.
patent: 4112185 (1928-09-01), Meiller
patent: 4171283 (1979-10-01), Nakashima et al.
Chemical Abstracts, vol. 82, 1975, p. 119.

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