Catalyst – solid sorbent – or support therefor: product or process – Forming or treating a sphere – process only
Patent
1985-05-16
1986-11-04
Shine, W. J.
Catalyst, solid sorbent, or support therefor: product or process
Forming or treating a sphere, process only
423338, B01J 3508
Patent
active
046210687
ABSTRACT:
Substantially spherical solid particles of a substantially uniform particle size are prepared by dispersing a solution of a polymerizable substance in a first liquid by means of a suitble emulsifier to form droplets of the polymerizable substance of a substantially uniform particle size, which are thereafter poured into a second liquid with which the first liquid is immiscible and which contains a sufficient amount of a reactant to polymerize the polymerizable substance. After the polymerization the substantially spherical particles formed are recovered. In a preferred embodiment, an aqueous solution of an alkaline metal silicate, especially sodium silicate, is dispersed in a coparaffinate by means of a suitable emulsifier, and the emulsion is poured into an aqueous solution of the polymerization reactant to form gelled, substantially spherical hydrated silicate particles.
REFERENCES:
patent: 2921839 (1960-01-01), Ritter
patent: 4011096 (1977-03-01), Sandell
patent: 4089932 (1978-05-01), Morita et al.
A/S Niro Atomizer
Shine W. J.
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