Process for producing a spherical silica gel
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Sep 17, 2002
Grant Date -
N/A
app pub date -
Nov 3, 2000
filing date -
Nov 5, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A process for producing a spherical silica gel, which comprises supplying a liquid mixture of an alkali silicate solution and an acid solution to a spraying apparatus, spraying the liquid mixture to obtain droplets, bringing the droplets into contact with a liquid for recovering a silica gel, and recovering the formed spherical silica gel together with the liquid for recovering a silica gel, as a slurry.
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