Method for separating particulate matter from a fluid stream

Imperforate bowl: centrifugal separators – Process

Reexamination Certificate

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C494S001000, C494S002000, C494S003000, C494S027000, C494S029000, C494S074000, C494S079000, C210S768000, C210S787000, C210S803000, C210S808000, C210S112000, C210S115000, C210S360100, C210S380100

Reexamination Certificate

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11443221

ABSTRACT:
A method for separating particulate matter from a fluid includes feeding a fluid containing a particulate matter into a chamber of a vessel through an inlet, the chamber being at least partially bounded by a peripheral wall and the chamber also communicating with a first outlet and a second outlet. The vessel is rotated such that at least a portion of the particulate matter settles out of the fluid against at least a portion of the peripheral wall. At least a portion of the particulate matter settled against the peripheral is subsequently disturbed so that at least a portion of the particulate matter is resuspend within the fluid. The method further includes removing at least a portion of the fluid having the resuspended particulate matter therein through the first outlet and removing through the second outlet the fluid from which the particulate material has settled out.

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