The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 10, 1998
Filed:
Mar. 17, 1997
Sumitomo Chemical Company, Limited, Osaka, JP;
Abstract
The slurry subjected to aggregation processing by a line mixer is supplied to a slurry feed member via a slurry supply passage and then fed radially outward from slurry fed outlets within a sedimentation tank. Therefore, liquid flow hardly takes place below the slurry feed member and the settling velocity of the solid is increased. The slurry feed member is arranged close to the boundary face of the thickened slurry zone, and thus the settling distance of the solid is shortened. Accordingly, the residence time of the solid is shortened to a great extent. In addition, the sedimentation tank can be constructed to be sealed and solid-liquid separation can be also performed under the pressurized state.
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