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Continuous silica production process and silica product prepared from same
专利权人:
J.M. Huber Corporation
发明人:
Hagar, William J.,Gallis, Karl W.
申请号:
AU2011221218
公开号:
AU2011221218A1
申请日:
2011.02.21
申请国别(地区):
AU
年份:
2012
代理人:
摘要:
Disclosed herein is a continuous process for preparing a silica product, comprising: (a) continuously feeding an acidulating agent and an alkali metal silicate into a loop reaction zone comprising a stream of liquid medium; wherein at least a portion of the acidulating agent and the alkali metal silicate react to form a silica product in the liquid medium of the loop reaction zone; (b) continuously recirculating the liquid medium through the loop reaction zone; and (c) continuously discharging from the loop reaction zone a portion of the liquid medium comprising the silica product. Silica products and dentifrice compositions comprising the silica products are also disclosed. A continuous loop reactor is also disclosed.
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中国工程科技知识中心
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