Manufacture of spheroidal alumina particles

Details Manufacture of spheroidal alumina particles Manufacture of spheroidal alumina particles

1974-10-15

1976-03-09

Carter, Herbert T.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252463, 252317, 423628, 423631, 423625, C01F 700, B01J 3700

Patent

active

039430707

ABSTRACT:
A method of manufacturing high surface area spheroidal alumina particles. A finely divided eta alumina is admixed and suspended in an alumina hydrosol and the mixture thereafter converted to spheroidal particles comprising eta and gamma alumina by the oil-drop method. The alumina spheres are particularly useful as a high surface area support or carrier material for catalytic components, and as a high surface area adsorbent.

REFERENCES:
patent: 2666749 (1954-01-01), Hoekstra
patent: 2968537 (1961-01-01), Nixon
patent: 3027234 (1962-03-01), Muhalko
patent: 3346336 (1967-10-01), Hayes
patent: 3558508 (1971-01-01), Keith et al.
patent: 3642660 (1972-02-01), Mitschi

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