Preparation of spheroidal alumina particles

Details Preparation of spheroidal alumina particles Preparation of spheroidal alumina particles

1975-02-10

1976-07-06

Carter, Herbert T.

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

423625, 423628, 423630, 423631, 252463, 252448, 252465, 252466R, C01F 702

Patent

active

039682250

ABSTRACT:
A process for preparing aluminium oxide beads from alumina hydrogel, which comprises polymerizing, in a hot and substantially water-immiscible fluid, an aqueous mixture comprising alumina hydrogel and alumina hydrosol and a water-soluble monomer whose uncross-linked polymer is water-soluble or forms a gel, this mixture being dispersed as droplets into a hot fluid in which substantial polymerization of the monomer occurs.

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patent: 3746659 (1973-07-01), Horzepa
patent: 3758418 (1973-09-01), Leonard et al.
patent: 3776987 (1973-12-01), Grimes et al.

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