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Solubilization coal depolymerization

Figure 2 shows time course of the coal solubilization with l~lecene at 150 The results well demonstrate that the solubilization mainly took place within a few minutes and then proceeded gradually This interesting phenomenon suggests that coal consists essentially of two portions, differ ent in reactivity

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  • Agents For Soubilization Coal baoliforkliftscoza

    Agents For Soubilization Coal baoliforkliftscoza

    Solubilization of coal by an extracellular product and a surfaceactive agent produced by the organ ism were involved in attacking coal A primary interest of our laboratory has been the potential for developing a bioreactor system for coal solubilization

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  • Assessment of a low rank coal inoculated with coal

    Assessment of a low rank coal inoculated with coal

    These mechanisms act on the coal, allowing humified organic matter HOM to be released through solubilization or depolymerization; in the first case, LRC solubilization leads to the formation of darkcolored liquid droplets, enriched in HOM, that occur at high pH values pH 710 and is due to the action of alkalis, chelating agents

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  • Coal solubilization National Energy Council

    Coal solubilization National Energy Council

    199269Coal solubilisation involves extracting organic material from the coal into a solvent and filtering the organicrich solvent to remove the undissolved organic and mineral matter Various coal solubilisation methods are known One such method involves contacting the coal with hot, eg about 200C, Nmethyl pyrrolidone NMP

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  • Depolymerization of Subbituminous Coal under Mild

    Depolymerization of Subbituminous Coal under Mild

    2016225Hydrogen fluoride, boron trifluoride, and a mixture of them were examined as acid catalysts for solubilization of coal under milder reaction conditions Hydrogen fluoride or boron trifluoride alone accelerated solubilization of subbituminous coal with toluene at 150 C to some extent Mixtures of hydrogen fluoride and boron trifluoride were found to solubilize coal considerably in the

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  • Desulfurization and Solubilization of HighSulfur C

    Desulfurization and Solubilization of HighSulfur C

    19971114Anhydrous hydrogen fluoride HF alone or bined with a small proportion of boron trifluoride BF3 desulfurized highsulfur coal in the presence of hydrocarbons without H2 in mild reaction conditions HF removed mainly sulfidic and oxidized sulfur at temperatures of 75200 C, but at 250 C decreased thiophenic sulfur HF BF3 at 200 C decreased thiophenic sulfur by ionic hydrogenation

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  • EJPAU 2018 Miszkiewicz H , MarchutMikoajczyk O

    EJPAU 2018 Miszkiewicz H , MarchutMikoajczyk O

    Different bacterial species [6, 11, 14, 20], molds [1, 4, 12, 23] and white and brown rot fungi [2, 3, 16], can change the coal structure by its solubilization or depolymerization Depending on the coal properties, various factors influence the process of its bioconversion

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  • Large scale solubilization of coal and bioconversi

    Large scale solubilization of coal and bioconversi

    Abstract In order to develop a system for a large scale coal solubilization and its bioconversion to utilizable fuel, we plan to clone the genes encoding Nrospora protein that facilitate depolymerization of coal

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  • Large scale solubilization of coal and bioconversi

    Large scale solubilization of coal and bioconversi

    Abstract In order to develop a system for a large scale coal solubilization and its bioconversion to utilizable fuel, the authors plan to clone the genes encoding Nrospora protein that facilitate depolymerization of coal

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  • Large scale solubilization of coal and Digital Lib

    Large scale solubilization of coal and Digital Lib

    In order to develop a system for a large scale coal solubilization and its bioconversion to utilizable fuel, we plan to clone the genes encoding Nrospora protein that facilitate depolymerization of coal We also plan to use desulfurizing bacteria to remove the sulfur in situ and use other microorganisms to convert biosolubilized coal into utilizable energy following an approach utilizing

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  • Of Digital Library

    Of Digital Library

    that coal solubilization and subsequent depolymerization of the solubilized coal macromolecule are distinct events Fungi solubilize leonardite by secreting oxalate ion which chelate metal ions in coal and, in the process, break ionic linkages which bind coal macromolecules together 2,3 Subsequent depolymerization of soluble coal

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  • Process for the lowtemperature depolymerization of

    Process for the lowtemperature depolymerization of

    198831A novel process for the lowtemperature depolymerization and liquefaction of coal wherein the coal is subjected to sequential processing steps for the cleavage of different types of intercluster lnikages during each processing step

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  • Production of humic substances through coalsolubil

    Production of humic substances through coalsolubil

    2014114There is another procedure for solubilizing coal that does not rely on fungi: coal solubilization through bacteria This process uses nonenzymatic mechanisms such as the production of surfactants, chelators, and alkaline substances Hofrichter and Fakoussa, 2004 Therefore this may be an alternative to prevent the depolymerization of the HS

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  • Solubilization of coal with olefins ScienceDirect

    Solubilization of coal with olefins ScienceDirect

    Figure 2 shows time course of the coal solubilization with l~lecene at 150 The results well demonstrate that the solubilization mainly took place within a few minutes and then proceeded gradually This interesting phenomenon suggests that coal consists essentially of two portions, differ ent in reactivity

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  • Solubilization of Taiheiyo coal under mild DeepDyv

    Solubilization of Taiheiyo coal under mild DeepDyv

    Read "Solubilization of Taiheiyo coal under mild conditions without gaseous hydrogen: catalysis by trifluoromethanesulfonic acid, Fuel" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips

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  • US Patent for Solubilization of coal or lignocellu

    US Patent for Solubilization of coal or lignocellu

    The depolymerization, solubilization, and or liquefaction of coal represent one step for the production of secondary biogenic coal bed methane Coal depolymerization and solubilization technologies can therefore be used to transform a fraction of the solid coal matrix into soluble constituents that are more readily bioavailable

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  • US4914024A Microbial solubilization of coal

    US4914024A Microbial solubilization of coal

    The present invention relates to a cellfree preparation and process for the microbial solubilization of coal into solubilized coal products More specifically, the present invention relates to bacterial solubilization of coal into solubilized coal products and a cellfree bacterial byproduct useful for solubilizing coal 2

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