Alumina compounds in ion exchange resins

Details Alumina compounds in ion exchange resins Alumina compounds in ion exchange resins

1979-11-19

1983-04-26

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Ion-exchange polymer or process of preparing

521 31, B01J 4100, B01J 4112

Patent

active

043813496

ABSTRACT:
Formation of hydrous alumina in the reticules of a weak-base anion exchange resin, wherein AlCl.sub.3 has been precipitated as hydrous alumina by reaction with ammonia, is improved by employing a subsequent treatment with HCl or with NH.sub.4 Cl and HCl to convert the exchange resin to the chloride form, thereby increasing the reticular volume of the resin, thus permitting subsequent precipitation of additional hydrous alumina therein.

REFERENCES:
patent: 3208984 (1965-09-01), Dekking
patent: 3267065 (1966-08-01), Shaler et al.
patent: 4159311 (1979-06-01), Lee et al.
patent: 4221767 (1980-09-01), Lee et al.

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