Manufacture of light granular materials

Details Manufacture of light granular materials Manufacture of light granular materials

1975-12-04

1977-11-08

White, Robert F.

Plastic and nonmetallic article shaping or treating: processes

Formation of solid particulate material directly from molten...

By extrusion spraying or gravity fall through orifice

264 42, 264117, B01J 204

Patent

active

040576051

ABSTRACT:
Light granular material is manufactured from silico-aluminous material by crushing and/or screening the silico-aluminous material to a fine powder which is mixed with water to form a slip which is divided into drops which are immediately introduced into a hot fluidised bed. The water evaporates rapidly and the drops are converted into expanded granules which are recovered and subjected to ceramic firing.

REFERENCES:
patent: 3118658 (1964-01-01), Dennert
patent: 3150989 (1964-09-01), Parsons
patent: 3259171 (1966-07-01), Siemssen
patent: 3406228 (1968-10-01), Hardy et al.
patent: 3880968 (1975-04-01), Kaspar et al.

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