Agitation mixer and feed pipe structure

Details Agitation mixer and feed pipe structure Agitation mixer and feed pipe structure

2011-08-09

2011-08-09

Sorkin, David (Department: 1774)

Agitating

Having specified feed means

Plural related feeders having separate outlets to mixing...

C366S172100, C366S172200

Reexamination Certificate

active

07993052

ABSTRACT:
An agitation method for mixing a solution and a solvent to precipitate a solid substance from the solution. The method includes preparing an agitation mixer including an agitation vessel, an impeller rotated in the agitation vessel, and a feed pipe connected to the agitation vessel and having a multiple pipe structure including an outer pipe and an inner pipe arranged in the outer pipe. A shearing clearance is formed in the agitation vessel between the impeller and the feed pipe. The method further includes shearing the solution and the solvent by rotating the impeller to precipitate the solid substance while feeding the solution and the solvent into the shearing clearance from the outer pipe and the inner pipe.

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UK Search Report for Application No. GB0718899.8, mailed on Jan. 30, 2009.
Combined Search and Examination Report under Sections 17 and 18(3), dated Jan. 17, 2008, issued for Application No. GB0718899.8.

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