Apr 09, 1974 · A process for retorting crushed oil shale containing a carbonaceous organic matter, commonly called kerogen, and other mineral matter with hot pellets which are later separated from the spent retorted shale and recycled is described having reference to the drawing.
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Get PriceHot retorted shale withdrawn from the pyrolysis vessel is treated in a separate container with an oxygenous gas so as to provide combustion of residual carbon retained on the shale, producing a high temperature gas for the production of some steam and for heating the .
Get Priceratio was about 0.67. These values place the oil shale as Type I on the Van Krevelen classification diagram[10]. XRD (X-ray diffraction) analyses of the crushed oil shale samples and the separated clay fractions were performed using a Bruker D8 Advance X-ray diffactometer.
Crushed shale exists the mill 210 and enters a slurry mixer 212 which is a cylindrical vessel with a conical bottom for receiving the flow of crushed shale. The mixer 212 also receives a flow of an organic solvent, for example, toluene, which is at least partially and preferrably substantially supplied by recycling solvent from the solvent ...
Mar 13, 2018 · How to Melt Gold Out of Rocks ... Gold is heavy, so processors usually agitate the slurry to separate the gold compounds, which tend to fall to the bottom of the container. Cyanide Leaching. When processors soak the slurry in an aqueous cyanide solution, the gold and silver in the ore form a metal-cyanide complex. Before they introduce the ...
Get Pricegravel, crushed blast furnace slag, crushed stone, or combinations thereof and shall be free from frozen material or injurious amounts of salt, alkali, vegetable matter, or other objectionable material either free or as an adherent coating. When white portland cement is specified, the coarse aggregates used in the concrete shall be light colored.
[PDF]Get PriceThe crushed oil shale is passed by belt conveyers to raw oil shale bins ar-ranged on the screw conveyers (flow No. 4 in the diagram). ... – dried oil shale separated by 1st, 2nd and 3rd stage cyclones prior to entering the system of dry oil shale screw conveyers; 8
Get PriceNov 12, 2012 · Scrap Iron was also metal detecting our yard while I crushed rock and found a 1959 silver dime with his Garrett AT Pro. ... High Plains Prospectors- Metal Detector & Gold Prospecting .
[PDF]Get PriceThe next step was to take the crushed pieces of rock and make them even smaller. We used a heavy metal rod (a broken half shaft from a four wheel drive) and smashed the small bits of rock in a saucepan. The rock needed to be powdered for us to get to all the gold within the rock.
Get PriceThe crushed shale is then fed into a closed re- torting vessel and heated to very high temperatures — between 800°F and 1 000°F — to decompose the kerogen. About 75% of the kerogen is separated from the rock at these temperatures.
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Feb 04, 2015 · New type of crushed sand to replace natural sand in concrete production. The availability of natural sand for concrete production is facing challenges, while the so-called waste stockpiles at aggregate crushing areas are causing problems for producers.
Get PriceEDWIN HICKS, RONALD F. PROBSTEIN AND IRVINE WEI ... The shale is crushed to about 12 mm size and contacted with hot ceramic balls. The ceramic balls, also about 12 mm in diameter, are heated up in a separate heater by burning high-Btu gas evolved in the pyrolysis. After the balls are heated they are fed along with the
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Get Pricethat it is possible to separate oil shale with the crushing bucket on site. It is not only possible to dig, transport, crush and load the material at one run, but also remove limestone in the crushed rock. The principle of oil shale separation in a crushing bucket is based on the fact that oil shale has smaller
Get PriceIn an oil shale retorting process, hot heat-carrying solids are cycled to a retort zone to mix with and retort crushed oil shale, thereby producing gas, oil products, and a mixture of heat-carrier solids and spent shale solids. The spent shale solids contain some rock solids which have a heavier particle weight than the heat-carrier solids.
Get PriceDec 29, 1981 · A method of claim 3 wherein said crushed shale with oil adsorbed is treated to separate the adsorbed oil from the crushed shale. 5. A method of claim 4 wherein crushed shale separated from the adsored oil is recycled into contact with oil on said liquid surface.
Apr 09, 1974 · A process for retorting crushed oil shale containing a carbonaceous organic matter, commonly called kerogen, and other mineral matter with hot pellets which are later separated from the spent retorted shale and recycled is described having reference to the drawing.
[PDF]Get PriceThe plate-cleavage tendency of the shales is not strong in the fresh shales; neither is there any strong tendency for the nodules to separate from the shale. Fresh shale, when crushed in a jaw crusher or a gyrating crusher, appeared to be a mixture of blocky particles of shale and nodules.
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