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System and method for continuous solids slurry depressurization

United States Patent

9,702,372
July 11, 2017
View the Complete Patent at the US Patent & Trademark Office
A system includes a first pump having a first outlet and a first inlet, and a controller. The first pump is configured to continuously receive a flow of a slurry into the first outlet at a first pressure and to continuously discharge the flow of the slurry from the first inlet at a second pressure less than the first pressure. The controller is configured to control a first speed of the first pump against the flow of the slurry based at least in part on the first pressure, wherein the first speed of the first pump is configured to resist a backflow of the slurry from the first outlet to the first inlet.
Leininger; Thomas Frederick (Chino Hills, CA), Steele; Raymond Douglas (Cypress, TX), Cordes; Stephen Michael (Cypress, TX)
GENERAL ELECTRIC COMPANY (Schenectady, NY)
14/ 103,695
20150159654
December 11, 2013
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH & DEVELOPMENT This invention was made with Government support under contract number DE-FE0007859 awarded by the Department of Energy. The Government has certain rights in the invention.