solubilization coal depolymerization

solubilization coal depolymerization

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  • US4914024A - Microbial solubilization of coal - Google Patents

    The present invention relates to a cell-free 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 cell-free bacterial byproduct useful for solubilizing coal 2 Description of ....

  • Microbial pretreatment of coals: A tool for solubilization ,

    Hofrichter, M & Fritsche, W 1997 Depolymerization of low rank coal by extracellular fungal enzyme system, III In vitro depolymerization of coal humic acid by a crude preparation of Mn peroxidase from the white rot fungus Nematoloma forwardii b19 Applied Microbiology and ,...

  • Biological Gasification of Coals - netldoegov

    Type and Rank l,f Coal Used in Biogasification Project Characterization of Coals and Coal Depolymerization Products Cheulical Depolymerization of Coals Chemical Pretreatment of Beulah Lignite Chemic~lDepolymerization of Three Coals wi~h Differe~t Concent~ationsof Carbonates Fcllowed by Heat Treatment...

  • Bio-Liquefaction/Solubilization of Low-Rank Turkish ,

    yields a solution of coal macromolecules, principally humic acids7 It is recognized that low rank coals and oxidized coals were more susceptible to solubilization by the wood-rot fungus Coriolus versicolor and by a range of other fungal speci8 These findings ,...

  • US4914024A - Microbial solubilization of coal - Google Patents

    The present invention relates to a cell-free 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 cell-free bacterial byproduct useful for solubilizing coal 2 Description of ....

  • Investigations in fungal solubilization of coal ,

    Sep 25, 2015· This review intends to highlight the advancements in the biotechnological processing of coal and summarizes the recent knowledge regarding the mechanisms involved in fungal solubilization of coal especially the low rank lignite coal which is a natural raw ,...

  • Large scale solubilization of coal and bioconversion to ,

    OSTIGOV Technical Report: Large scale solubilization of coal and bioconversion to utilizable energy Fifth quarterly technical report, January 1, 1995--March 31, 1995 Large scale solubilization of coal and bioconversion to utilizable energy Fifth quarterly technical report, January 1, 1995--March 31, 1995...

  • Methods - Digital Library

    2) To test the hypothesis that the processes of coal (leonardite) solubilization and coal macro molecule depolymerization in lignin degrading fungi can be regulated by altering the nutritional status of the microorganism Coal solubilization is expected to occur in nutrient rich media whereas depolymerization of solubilized coal macromolecules ....

  • Biodegradation and Modification of Coal | Request PDF

    We use cookies to offer you a better experience, personalize content, tailor advertising, provide social media features, and better understand the use of our servic...

  • Depolymerization and solubilization of chemically ,

    Request PDF on ResearchGate | On Oct 1, 2013, Zaixing Huang and others published Depolymerization and solubilization of chemically pretreated powder river basin subbituminous coal by manganese ....

  • Regulation of coal polymer degradation by fungi Fourth ,

    @article{osti_182624, title = {Regulation of coal polymer degradation by fungi Fourth quarterly progress report, May 1995--June 1995}, author = {Irvine, RL}, abstractNote = {To test the hypothesis that coal (leonardite) Solubilization and the subsequent depolymerization of the solubilized coal macromolecules are distinct events in lignin degrading fungi...

  • WO2012034087A1 - Solubilization of coal or lignocellulose ,

    The present methods deal with the solubilization of coal and lignocellulose biomass using pyrophosphates, polyphosphates, or derivatives thereof...

  • Investigations in fungal solubilization of coal ,

    Sep 25, 2015· This review intends to highlight the advancements in the biotechnological processing of coal and summarizes the recent knowledge regarding the mechanisms involved in fungal solubilization of coal especially the low rank lignite coal which is a natural raw ,...

  • Speaker Presentations | Secondary Biogenic CBNG ,

    Jun 20, 2012· Secondary Biogenic Coal Bed Natural Gas International Conference Presentations The following presentations do not necessarily represent the views of the University of Wyoming, School of Energy Resources, UW College of Engineering and Applied Sciences nor the forum steering committee...

  • Solubilization of bituminous coal in aromatic and ,

    This finding can be explained in 250 300 350 400 Temperature 450 Figure 3 Coal depolymerization in (0) 9,10-dihydroanthracene and ( anthracene oil FUEL, 1983, Vol62,January 79 Solubilization of bituminous coal in aromatic and hydroaromatic solvents: H-G Franck et al 250 300 350 400 Temperature 450 Figure 4 Coal depolymerization in (0 ....

  • Depolymerization and solubilization of chemically ,

    Request PDF on ResearchGate | On Oct 1, 2013, Zaixing Huang and others published Depolymerization and solubilization of chemically pretreated powder river basin subbituminous coal by manganese ....

  • Production of humic substances through coal-solubilizing ,

    Oct 09, 2014· Furthermore, the main mechanism for coal solubilization through fungi is the production of ligninolytic enzymes (Willman and Fakousa, 1997; Gockay et al, 2001); however, it is often observed that depolymerization of the released HS takes place after coal solubilization ,...

  • Production of humic substances through coal-solubilizing ,

    enzymes (Hofrichter 2002) This depolymerization of HS leads to loss of their supramolecular conformation and con-sequently reduces their effect on soil properties and their bioactivity on plants There is another procedure for solubilizing coal that does not rely on fungi: coal solubilization ,...

  • EJPAU 2018 Miszkiewicz H , Marchut-Mikołajczyk 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...

  • Solubilization coal depolymerization - Henan Mining ,

    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...

  • Solubilization of Taiheiyo coal under mild , - DeepDyve

    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...

  • Production of humic substances through coal-solubilizing ,

    enzymes (Hofrichter 2002) This depolymerization of HS leads to loss of their supramolecular conformation and con-sequently reduces their effect on soil properties and their bioactivity on plants There is another procedure for solubilizing coal that does not rely on fungi: coal solubilization ,...

  • Solvent effects in the depolymerization of coal ,

    The higher degree of extraction when a larger 208 FUEL, 1976, Vol 55, July Larry J Darlage and Maurice E Bailey: Solvent effects in the depolymerization of coal Table 4 Solubilization of Pond Creek seam coal after depolymerization in non-phenolic solvents (24 h) Catalyst Temp...

  • Macromolecular structural changes in bituminous coals ,

    Liquefaction of coal by depolymerization in an organic solvent has been studied for several years The liquefied coal extract which results from such a process is far more suitable for conversion into liquid fuel by hydrogenolysis than is the untreated coal...

  • Solubilization of lignite with superacid , - DeepDyve

    Read "Solubilization of lignite with superacid (trifluoromethanesulfonic acid)/isopentane at the mild conditions, Fuel Processing Technology" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips...

  • (PDF) BioLiquefaction/Solubilization of Low-Rank Turkish ,

    One possible suggested that several compounds produced by micro- route to liquefaction is the depolymerization of the coal organisms, such as alkaline substances, oxidative and and cleavage of various links , could be involved in a reduction of oxygen content via transformation of CdO the microbial solubilization of coal4 Most filamentous ....

  • Biodegradation and Modification of Coal - Hofrichter ,

    Modification of Hard Coal Bacteria; Fungi; Bioconversion of Brown Coal Mechanisms: Solubilization, Depolymerization, Utilization; Organisms; Solubilization of Brown Coal Alkaline Solubilization; Solubilizing Effects of Chelators; Involvement of Hydrolases in Brown Coal Solubilization...

  • Biosolubilization of Polish brown coal by Gordonia ,

    Mar 01, 2015· Read "Biosolubilization of Polish brown coal by Gordonia alkanivorans S7 and Bacillus mycoides NS1020, Fuel Processing Technology" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips...

  • Enzymatic depolymerization of coal - Salk Institute ,

    Oct 02, 1990· Thus, in one of its aspects, the invention is a method of catalyzing the enzymatic depolymerization of polymeric coal substituents comprising combining a ligninase and an aqueous-soluble polymeric coal substrate in an aqueous solution ,...

  • Depolymerization and solubilization of chemically ,

    Request PDF on ResearchGate | On Oct 1, 2013, Zaixing Huang and others published Depolymerization and solubilization of chemically pretreated powder river basin subbituminous coal by manganese ....