Distillation: processes – thermolytic – With measuring – testing or inspecting
Patent
1982-07-22
1984-07-24
Garris, Bradley
Distillation: processes, thermolytic
With measuring, testing or inspecting
201 39, 201 41, 208 11R, C10B 3904, C10B 4500, C10B 5306
Patent
active
044616732
ABSTRACT:
An apparatus and process are provided for depressurizing, cooling, and, optionally, moisturizing retorted oil shale produced in an oil shale retort operated at superatmospheric pressure. Hot retorted oil shale particles are gravitated from the retort and into an elongated, multichambered vessel. In the upper chambers of the vessel the particles are partially cooled by contact with a controlled flow of liquid water. The water, having been totally vaporized, is removed from the particles at a rate which prevents the substantial flow of gases between the vessel and the retort. In the lower chambers of the vessel, the particles are first stripped of entrained hydrocarbon gas by gravitating through a countercurrently flowing stream of stripping gas and then brought to ambient pressure by gravitating through a long, narrow seal leg. Optionally, the depressurized and partially cooled particles are then further cooled and moisturized by admixing with a controlled flow of liquid water.
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"Synthetic Crude Oil and Transportation Fuels from Oil Shale", by Randle and Kelley, prepared for the 46th Midyear Meeting of the American Petroleum Institute's Refining Department, held May 11 to 14, 1981 in Chicago, Illinois.
"Premium Syncrude from Oil Shale using Union Oil Technology", by Miller, Harvey and Hunter, prepared for the 1982 National Petroleum Refiners Association Annual Meeting held Mar. 21 to 23, 1982, at San Antonio, Texas.
Deering Roland F.
Dhondt, deceased Roland O.
Hines John E.
Anderson Denton L.
Garris Bradley
Sandford Dean
Union Oil Company of California
Wirzbicki Gregory F.
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