oil shale beneficiation process

Oil Shale Beneficiation Process

US4506835A - Oil shale beneficiation - Google …

There is provided a process for the beneficiation of oil shale comprising comminuting oil shale to a maximum particle size that maximizes the separation efficiency index of a physical separation method at a predetermined product yield. The oil shale particles are then separated into organic-rich product and organic-lean refuse by the physical separation methods in which the product yield is ...

US4408999A - Coal and oil shale beneficiation …

Coal, oil shale and similar carbonaceous solids are beneficiated by subjecting the solids to electromagnetic radiation having a frequency between about 0.1 MHz and about 10 5 MHz in the presence of an aqueous acid solution. The electromagnetic energy enables the acid to solubilize a substantial portion of the mineral matter contained in the solids at low temperatures and pressures, …

(PDF) Beneficiation of oil shale by froth flotation

Oil shale beneficiation by froth ... the recent surge in oil price and recent developments in fine grinding technologies may improve the efficiency of oil shale beneficiation by such process.

Oil shale separation using a novel combined dry ...

Oil shale separation using a novel combined dry beneficiation process. ... but vibration energy gradually weakened in the transmission process. Oil shale on the separation bed exhibited low activity at low amplitudes and could not be fully loosened, ... A combined dry beneficiation process, ...

Beneficiation of oil shale by froth flotation: critical review

developments in fine grinding technologies may improve the efficiency of oil shale beneficiation by such process. In this work, oil shale concentration by froth flotation technique was critically reviewed. It was found that most of the work was conducted by conventional mechanical flotation using non-ionic collector such as kerosene.

Coal and oil shale beneficiation process (Patent) | …

11-5-1981 · Coal and oil shale beneficiation process. Full ... Coal, oil shale and similar carbonaceous solids are beneficiated by subjecting the solids to electromagnetic radiation having a frequency between about 0.1 MHz and about 10/sup 5/ MHz in the presence of an aqueous acid solution.

The diffusion and separation of the oil shale in the ...

Oil shale has a high utilization value due to its rich organic matter, and its application potential is huge. However, a large amount of inorganic mineral impurities are involved in the mining process, and the grade of the concentrate can be improved by dry beneficiation.

Shale Beneficiation Process - josjoosartwinedesign.be

Beneficiation-hydroretort processing of US oil shales . This report describes a beneficiation facility designed to process 1620 tons per day of run-of-mine Alabama oil shale containing 12.7 gallons of kerogen per ton of ore (based on Fischer Assay).

COMBINED BENEFICIATION AND HYDRORETORTING OF OIL SHALE.

The range of potential oil shale resources available to HYTORT processing can be expanded by combining hydroretorting with The University of Alabama Mineral Resources Institutes (MRI) physical beneficiation process. The MRI process involves fine grinding the oil shale matrix followed by selective froth flotation of the kerogen. During

Coal and oil shale beneficiation process - Exxon …

11-10-1983 · Coal and oil shale beneficiation process . United States ... Coal, oil shale and similar carbonaceous solids are beneficiated by subjecting the solids to electromagnetic radiation having a frequency between about 0.1 MHz and about 10 5 MHz in the presence of an aqueous acid solution.

beneficiation of oil shale by froth flotation critical …

Received March 3, 2011; reviewed; accepted April 11, 2011. Benefıcıatıon of quartz waste by flotatıon and by ultrasonıc treatment. Ferihan ... conventional froth flotation process by using amines as a collector and hydrofluoric ..... of oil shale cleaning by ultrasonic treatment, International Journal of Mineral Processing,.

Beneficiation of oil shale by froth flotation | …

21-7-2018 · Abstract. In the future, oil shale will be an important energy resource. Froth flotation is a new method increasing the usability of oil shale. In this paper, oil shale samples were characterized based on their mineral composition, proximate analysis, ultimate analysis, size distribution, and density analysis.

Oil shale separation using a novel combined dry ...

Request PDF on ResearchGate | Oil shale separation using a novel combined dry beneficiation process | Significant mineral impurities are produced during oil shale mining. However, inorganic ...

shale beneficiation equipment - amsterdam …

Oil Shale Beneficiation Process Supplier toptarife.eu. difference of beneficiation and flotation plant. difference of beneficiation and flotation plant Get more info of silica sand mining process equipment for freeDouble is one of the biggest manufacturer, exporter and supplier in crushing and.

shale beneficiation equipment - schroder-stoffen.nl

plc for shale flotation process unit. Beneficiation of oil shale by froth flotation critical review Beneficiation of Oil Shale by Froth Flotation Critical Review The Open Mineral Processing Journal, 2014, Volume 7 3 Quantity of waste (solid, liquid, gas) produced by the process , Shandong Xinhai Mining Technology & Equipment Inc, under Xinhai ...

oil shale beneficiation equipment for sale

Oil Shale Beneficiation Process For Sale . process, oil shale beneficiation process, We provide complete sets oil shale crusher and screening plant for sale such . shale beneficiation equipment. Feldspar Beneficiation Equipment Cost Price Manufacturers For Sale Portable Oil Shale Beneficiation Plant . copper ore beneficiation .

Beneficiation process for oil shale - The Superior …

24-3-1981 · A beneficiation process for increasing the oil content of clay-bearing oil shale ore wherein the oil shale ore is subjected to an aqueous medium, agitated to disintegrate at least a portion of the clay, and the disintegrated clay is separated from the remaining oil shale to yield an oil shale having a greater amount of recoverable hydrocarbon values per ton than the unprocessed oil shale ore.

Kerogen Beneficiation from Longkou Oil Shale …

29-3-2016 · Because of enrichment of kerogen in the beneficiation process, oil shale may be used more effectively in both oil production and power generation. The float and sink tests were carried out to separate the raw oil shale samples into a series of fractions according to density first. Density distribution of Longkou oil shale in China indicated the ash content of oil shale with different density ...

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