oil shale beneficiation kagamitantagagawa

  • Oil shale ash – a novel source of calcium carbonate ...

    2020-11-30 · "The oil shale ash beneficiation plant must have an environmentally neutral operation – free of noise and dust pollution, generate minimal waste products and have a …

  • Spent Oil Shale | Crude Oil and Natural Gas Waste | …

    2008-12-24 · March 3, 1989: EPA issues a letter to Region 8 classifying wastes from the mining, crushing, screening, and retorting of oil shale as an exempt extraction/beneficiation waste. April 17, 1989: EPA issues a proposed rule (54 FR 15316) which for the first time dealt with the Court decisions mandating that the Agency clarify the line between ...

  • COMBINED BENEFICIATION AND HYDRORETORTING OF …

    2015-6-8 · The MRI Oil Shale Beneficiation Process Physical beneficiation techniques have long been used in the mineral and coal industries to obtain a product more enriched in the economical mineral than the run-of-mine ore. constituent frm the associated impurities. the raw material to sizes finer than their natural particle size consist.

  • Shale oil recovery systems incorporating ore …

    2019-2-25 · This study analyzed the recovery of oil from oil shale by use of proposed systems which incorporate beneficiation of the shale ore (that is, concentration of the kerogen) before the oil-recovery step. The objective was to identify systems which could be more attractive than conventional surface retorting of ore. No experimental work was carried ...

  • Beneficiation of Oil Shale by Froth Flotation: Critical ...

    adshelp[at]cfa.harvard The ADS is operated by the Smithsonian Astrophysical Observatory under NASA Cooperative Agreement NNX16AC86A

  • Beneficiation of Oil Shale Processing Waste: …

    2017-11-25 · Oil shales are low calorific fuels leaving upon processing large amounts of solid waste with limited secondary use, mostly because of low self-cementitious properties. In this paper, alkali activation of the waste remaining after shale oil retorting in solid-heat-carrier plants was investigated to improve the cementitious properties of this waste.

  • Basic considerations regarding the mineability of oil ...

    2019-12-21 · Oil shale mining methods choice Unconventional mining 1. In-Situ Minimum depth ≥100m Minimum thickness ~ 30m 2. Ex-situ Material size Operation dimensions Red Leaf EcoShale™ In-Capsule Process plant, Utah Shell''s experimental in-situ oil shale …

  • Environmental problems in the Estonian oil shale …

    In Estonia technologies for oil shale mining and consuming have been continuously developed for more than 80 years. By March 2006 one billion tonnes of oil shale had been produced in Estonia. Since the 1960s, Estonia has been the largest oil shale producer …

  • Beneficiation of Oil Shale Processing Waste: …

    2017-11-25 · Over the past decades a lot of research has been conducted to find suitable ways for utilizing oil shale processing wastes, but, despite of that, less than 5% of the waste produced in Estonian oil shale industry finds beneficiary use. Major applications of ash have been and still include stabilisation of road beds in road construction, production of construction materials (e.g. gas concrete) and as an …

  • Kerogen Beneficiation from Longkou Oil Shale Using …

    2019-5-26 · Get e-Alerts. Abstract. 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.

  • Groppo, J.G. (1995) Oil Shale Beneficiation for …

    Groppo, J.G. (1995) Oil Shale Beneficiation for Processing. In Snape, C., Ed., Composition, Geochemistry and Conversion of Oil Shales, Kluwer Academic Publishers ...

  • Kerogen Beneficiation from Longkou Oil Shale Using …

    2019-5-26 · 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 ...

  • Shale-oil-recovery systems incorporating ore …

    This study analyzed the recovery of oil from oil shale by use of proposed systems which incorporate beneficiation of the shale ore (that is concentration of the kerogen before the oil-recovery step). The objective was to identify systems which could be more attractive than conventional surface retorting of ore. No experimental work was carried out.

  • Simultaneous beneficiation and treatment of oil shale ...

    Additionally, beneficiation results in improving the grade of the oil shale, i.e. the amount of oil produced per amount of shale treated. The present invention lies in combining the above two processes resulting in a process for the simultaneous beneficiation of oil shale and treatment of oil shale to upgrade the quality of the shale and to ...

  • Coarse beneficiation of Green River oil shale | …

    Extensive oil shale deposits occur in the Green River Formation. Though the oil content of these shales is rather constant along a certain horizon, there are wide variations with depth. The result is the presence of rich and lean zones. Selective mining of the richer zones is practiced so as to provide a retort feed. However, another option is to mine the whole stratum and use physical ...

  • Use of Pulsewave Technology as a Kerogen …

    2020-6-3 · 75092-Approximately 35% of the worlds known oil shale reserves, amounting to 1.2 trillion barrels of oil, are located in Colorado, Wyoming, and Utah. In spite of this, there has not been an active full-scale oil shale project in the U.S. since 1991, largely due to the costs involved in operating such a project and the environmental problems ...

  • COMBINED BENEFICIATION AND HYDRORETORTING OF …

    2015-6-8 · I COMBINED BENEFICIATION AND WDRORETORTING OF OIL SHALE R. Bruce Tippin, University of Alabama P. 0. Box AY, University, AL 35486 and Raymond C. Rex, WCRUDE Corporation 10 West 35th Street Chicago, Illinois 60616 ABSTRACT The Mineral Resources Institute (MRI) of The University of Alabama and Institute of Gas Technology subsidiary, HYCRUDE Corporation, are …

  • ELECTROSTATIC BENEFICIATION OF EASTERN OIL …

    2007-4-5 · A dry electrostatic process for beneficiating Eastern oil shales was investigated. Scanning electron microscope analysis showed a need to grind the shale to an average particle size of less than 5 μm for nearly complete liberation of mineral inclusions from the organic matrix.

  • EL NAKHEIL OIL SHALE: MATERIAL CHARACTERISATION …

    2014-7-6 · beneficiation potential of these oil shale samples. EXPERIMENTAL The experimental work in this study was divided into two sections. The first section is concerned with description of the oil shale material and the physical, chemical, and geochemical analyses done to characterize and evaluate its hydrocarbon potential. The

  • Selected Technical and Economic Comparisons of Synfuel ...

    2007-3-19 · Most oil shale extraction is expected to be by underground mining, with only about 1.5 to 20 percent being extractable by surface methods (Reference No. 16) . This proportion may change with technological developments. 2.4 Beneficiation Coal and oil shale …

  • Study on the effect of autogenous medium …

    2021-3-1 · The oil shale particles on the sieve surface are crushed (PEW400 × 600) and fed into the buffer bin together with the screened oil shale particles. Oil shale in the buffer bin is fed into the compound dry separator (FGX-10) via a vibrating feeder and beneficiated under certain density in the autogenous medium bed.

  • [PDF] EXTRACTION OF OIL FROM JORDANIAN …

    A short overview of the previous works concerning oil extraction from Jordanian oil shale is presented. The results of the systematic experimental study obtained in this work on the effects of temperature (320– 420 °C) and exposure time (0–10 h) at nominal temperature on the yield of pyrolysis products from Attarat oil shale generated in autoclaves without any solvent and in the presence ...

  • Evaluation of oil shale mining heritage in Estonia

    2014-5-19 · Evaluation of oil shale mining heritage in Estonia K. Metsaots1, K. Sepp1 & K. A. Roose2 1Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, Estonia 2Institute of Ecology and Earth Sciences, University of Tartu, Estonia Abstract The evaluation of mining heritage and landscapes has been a topic of worldwide

  • US Patent for Coal and oil shale beneficiation process ...

    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 p.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, …

  • Beneficiation of Oil Shale by Froth Flotation Critical Review

    2016-6-11 · While, the advantages of oil shale beneficiation in minerals industry. This may be due to its high efficiency can be summarised as follows [19]: Beneficiation reduce the cost of material handling and waste disposal. Tsai and Lumpkin [6] reported that using froth flotation reduced oil shale …

  • Beneficiation of Himmetoǧlu Oil Shale by Flotation as …

    2005-11-5 · In this study, the processing of Himmetoǧlu oil shale from Bolu, Turkey, by flotation techniques was investigated for the possibility of achieving a clean solid-fuel substitute. The surface characteristics and mineral content of Himmetoǧlu oil shale were determined using mineralogical, XRD, and FTIR analysis. The flotation response of the sample was tested with several nonionizing collectors ...

  • Beneficiation process for oil shale

    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.

  • Simultaneous beneficiation and treatment of oil shale ...

    1. A beneficiation process for oil shale ore which additionally contains pyrites wherein the ore is simultaneously treated to substantially reduce hydrogen sulfide formation during subsequent retorting, comprising the steps of: (a) subjecting the oil shale ore to an aqueous medium which additionally contains hydrogen peroxide as a mild oxidant;

  • Petrographic approach to beneficiation of Australian …

    1987-3-1 · Australia has five types of oil shales, cannel coal, torbanite, lamosite, tasmanite and marinite, each of which has a different organic composition. Cannel coal is composed of liptinite (mostly resinite, cutinite and sporinite) derived from terrestrial plants, vitrinite and inertinite, with only a …

  • INCIDENTAL RELEASE OF BITUMEN DURING OIL SHALE …

    2009-8-19 · oil shale beneficiation processes require comminution, i.e. reduction of raw oil shale to a certain particle size [8–12]. For instance, for oil shale retorting in a fluidized bed, the run-off-mine oil shale should be comminuted and pulverized to a certain size, as recently noted by Wang and Zhou [10].

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    2019-1-25 · Beneficiation of oil shale by frothflotation[J],Journal of Petroleum Exploration and Production Technology,2019,9:725-730. (2)Liu Lijun #,Cheng Gan, Yu Wei, Yang Chao. Flotation Collector Preparation and Evaluation ofOil Shale[J],Oil Shale, 2018,35(3): 242-253.

  • AN INVESTIGATION INTO BENEFICIATION OF …

    2008-5-28 · The floatation of oil shale from a mixture of oil shale and phosphate has shown a high recovery of oil shale in the froth since most of the phosphate has stayed in the tailing part. High recovery was achieved using kerosene as a collector and MIBC as a frother. A 99.9% separation of phosphate was achieved after two stages of froth floatation.

  • Composition, Geochemistry and Conversion of Oil Shales

    2007-12-9 · Oil shale beneficiation for processing. 175 J.G. Groppo, University of Kentucky, Centre for Applied Energy Research, USA. 3. Methods of oil shale analysis. 191 F.P. Miknis, Western Research Institute, USA 4. Relationship between hydrous and ordinary pyrolysis. 211