Liquid purification or separation – Processes – Including geographic feature
Patent
1987-04-13
1988-12-20
Jones, W. Gary
Liquid purification or separation
Processes
Including geographic feature
166 57, 166302, 210170, 210187, 2101951, 210205, 210220, 210761, 210765, 210766, 210774, 210802, 210805, 210808, 261123, 422198, 422200, 422224, 422242, C02F 102, C02F 172, B01D 2300, B01D 2900
Patent
active
047924080
ABSTRACT:
A continuously flowing fluid is processed by being fed to the top of a hydraulic downdraft column (17) which is of a height such that the pressure at the bottom thereof will approximately be at the pressure necessary to create supercritical water conditions. The fluid is conducted to the bottom of the column (17) and received in a reaction chamber (21) in which the majority of the fluid is recirculated around an annular baffle plate (24). The material in the reaction chamber (21) is heated to a temperature above that necessary to create supercritical water conditions by an independent reaction taking place in a heating chamber (32). The result is that the fluid will undergo chemical reactions at the supercritical temperature and pressure range and will be of a lower specific gravity than the unprocessed fluid. The material not being recirculated in the chamber (21) is fed to one of two updraft columns (30, 31), a start-up column (30) used to preheat the material in the downdraft column (17) during initiation of the process, and a second column ( 31) isolated from the downdraft column (17) so as not to transmit any heat thereto during normal operation of the process. The temperature of the fluid in the downdraft column (17) is thereby controlled to prevent decomposition of the material until the fluid enters the reaction chamber (21) at which time it is abruptly brought up to the supercritical water temperature.
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patent: 4272383 (1981-06-01), McGrew
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patent: 4564458 (1986-01-01), Burleson
patent: 4594164 (1986-06-01), Titmas
patent: 4683063 (1987-07-01), Rice
James A. Titmas Associates Incorporated
Jones W. Gary
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