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Characterisation Of Coal Tar Pitches By Thermal Analysis

Characterisation Of Coal Tar Pitches By Thermal Analysis

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  • Characterisation Of Coal Tar Pitches By Thermal Analysis

    Characterisation Of Coal Tar Pitches By Thermal Analysis

    6 rowsjan 01 2001 four commercially availablecoal tar pitcheshave beencharacterisedthrough the combination

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  • Characterisation Of Coal Tar Pitches By Thermal Analysis

    Characterisation Of Coal Tar Pitches By Thermal Analysis

    Four commercially availablecoal tar pitcheshave been characterised through the combination of conventional techniques used forpitch characterisation like elementalanalysisand solvent

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  • Characterization Of Coal Tar Pitches Are The

    Characterization Of Coal Tar Pitches Are The

    Jan 01 1991 this chapter discusses thecharacterization of coal tar pitches the determination of the relations between the chemical composition and thethermalbehavior of heavy petroleum andcoalresidues is essential to predict their industrial uses and their valorization

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  • Analysis Of Coal Tar Pitch Relations Between Thermal

    Analysis Of Coal Tar Pitch Relations Between Thermal

    However the constitu solubilityof coal tar pitchesand the composition of ents ofpitchescan be grouped into relatively few classes their volatile fraction of compounds4 and this makespitch characterizationby in this work the pyrolysis of ninecoal tar pitches

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  • Analysis Of Coal Tar Pitch Relations Between Thermal

    Analysis Of Coal Tar Pitch Relations Between Thermal

    Jul 01 1996 the pyrolysis of ninecoal tar pitcheswas studied by thermogravimetricanalysis tga and derivative thermogravimetry dtg thecokeyield was closely related to both the rate of weight loss and the temperatures at which the dtgcurve reached maxima

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  • Structural Characterization Of Coal Tar Pitches Obtained

    Structural Characterization Of Coal Tar Pitches Obtained

    Several chromatographic procedures were developed by the authors for the structuralcharacterizationand fractionation ofpitchessixcoal tar pitchesobtained by heat treatment under different conditions together with a typical mesophase petroleumpitchchosen for

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  • Characterization Of Coal Tar Pitches With Different

    Characterization Of Coal Tar Pitches With Different

    Nov 01 1998 the coal tar pitches studied denoted as b1 b2 b3 and b4 were obtained at different stages in the distillation of the same tar fromb1to b4 the obtention temperature increase the samples were extracted in carbon disulphide hplc grade by means of an ultrasonic bath 11

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  • Structural Characterization Of Coaltar And Petroleum Pitches

    Structural Characterization Of Coaltar And Petroleum Pitches

    Distribution and structuralanalysisof polycyclic aromatic hydrocarbons abundant incoal tar pitch structuralcharacterization of coal tar pitchesobtained by heat treatment under different conditions study on carbonizationthermaldynamic processof coal tarrefined softpitch advanced materials research 2012 629 364369

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  • Tar Pitch  An Overview  Sciencedirect Topics

    Tar Pitch An Overview Sciencedirect Topics

    13231coal tar pitchcoal tar pitchis defined as the residue nonvolatile at 450c from the distillationof coaltars produced by the high temperature pyrolysis 1000cof coal 40 the molecular structureof coal tar pitchesusually consists of an aromatic core with only a few methyl groups attached in that sensecoal tar pitchis

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  • Characterization Of Coal And Petroleumderived Binder

    Characterization Of Coal And Petroleumderived Binder

    Carbon anodes are manufactured from calcined petroleum coke ie sponge coke and recycled anode butts as fillers andcoal tar pitchsctp as the binder during the manufacturing of carbon anodescoal tar pitchis mixed with calcined petroleum coke the mix of binder filler and some additives is heated to about 50c above the softening point of thepitch typically 160c

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  • Analysis Of Coal Tar Pitch Relations Betweenthermal

    Analysis Of Coal Tar Pitch Relations Betweenthermal

    However the constitu solubilityof coal tar pitchesand the composition of ents ofpitchescan be grouped into relatively few classes their volatile fraction of compounds4 and this makespitch characterizationby in this work the pyrolysis of ninecoal tar pitches

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  • Structural Characterization Of Coal Tar Pitchesobtained

    Structural Characterization Of Coal Tar Pitchesobtained

    Several chromatographic procedures were developed by the authors for the structuralcharacterizationand fractionation ofpitches sixcoal tar pitchesobtained byheat treatment under different conditions together with a typical mesophase petroleumpitch chosen for comparison were studied following these procedures the results gave an insight into the kind and extension of the chemical

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  • Plasticity Andthermal Analysis Of Coal Tar Pitchat High

    Plasticity Andthermal Analysis Of Coal Tar Pitchat High

    Thepitchesstudied absorbed considerable heat of coking from about 440c suddenly increased their plasticity at 480500c temporarily ceased the increase of plasticity at 490510c and finally changed to solid state from about 510c the temperature of coking was also certified by differentialthermal analysis

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  • Synthesis Andcharacterizationof Biopitchfrom Biooil

    Synthesis Andcharacterizationof Biopitchfrom Biooil

    Coaltarpitchctp is a fossil carbon material currently used as a the binder in carbon anode manufacturing process regardless of the technical benefitsof coaltarpitch it contains polycyclic aromatic hydrocarbons pahs known to be carcinogenic for humans and detrimental to the environment to overcome this challenge research was carried out to search for a suitable

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  • Effect Of Different Catalysts On Propertiesof Coal Tar

    Effect Of Different Catalysts On Propertiesof Coal Tar

    Cinnamaldehyde cma modifiedcoal tar pitchesctps are prepared in the presence of acids in this paper the effect of boric acid and p toluene sulfonic acid on the pyrolysis and graphitization process of cmamodified ctp was studied the pyrolysis process was studied by fourier transform infrared spectroscopy thermogravimetricanalysisand derivative thermogravimetry and polarized

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  • Coaltar Pitch Composition And Pyrolysis Behavior

    Coaltar Pitch Composition And Pyrolysis Behavior

    Thermogravimetricanalysisand differential scanning calorimetry were applied to thecharacterizationof low and high temperaturecoal tarand petroleumpitches and their fractions were separated

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  • Preparation Of Organic Lightemitting Diode Usingcoal Tar

    Preparation Of Organic Lightemitting Diode Usingcoal Tar

    Alcanizmonge j cazorlaamoros d linaressolano a 2001characterization of coal tar pitches by thermal analysis infrared spectroscopy and solvent fractionation fuel 80 4148 17

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  • Characterizationandthermalpolymerization Of Eucalyptus

    Characterizationandthermalpolymerization Of Eucalyptus

    Feb 13 2001 performance and byproductanalysis of coalgas solid oxide fuel cell energy fuels 2010 24 2 11761183 doi 101021ef9009636 tomoaki namioka youngil son masayuki sato and kunio yoshikawa practical method of gravimetrictar analysisthat takes into account athermalcracking reaction scheme

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  • Analysisandcharacterizationof Quinoline Insolubles In

    Analysisandcharacterizationof Quinoline Insolubles In

    Analysisandcharacterizationof quinoline insolubles incoal tar he xin 1 liu dan 2 wang yonggang 1 chen yufei 1 zhang haiyong 1 1 school of chemical and environmental engineering china university of mining technology beijing 100083 2 hydrocarbon highefficiency utilization technology research center shaanxi yanchang petroleum xian 710075

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  • Preparation Andcharacterizationof Petroleumbased

    Preparation Andcharacterizationof Petroleumbased

    Preparation andcharacterizationof petroleumbased mesophasepitch by thermalcondensation with inprocess hydrogenation ming li a yadong zhang b shitao yu a congxia xie a dong liu b shiwei liu a ruiyang zhao a and bing bian a a college of chemical engineering qingdao university of science and technology qingdao china 266042

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  • Characterization And Thermal Polymerization Ofeucalyptus

    Characterization And Thermal Polymerization Ofeucalyptus

    Several chromatographic procedures were developed by the authors for the structuralcharacterizationand fractionation ofpitches sixcoal tar pitchesobtained by heat treatment under different

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  • Analytical Methods For Coal And Coalproducts  1st Edition

    Analytical Methods For Coal And Coalproducts 1st Edition

    Vianalysisand testingof coal tar pitchesreferences chapter 34analysis of coal tarbinders for electrodes i carbon electrode manufacture ii productionof coal tar pitchiiipitchbinder properties iv flow properties of carbon paste v evaluation of test electrodes vi summary and conclusions references part viiicoalcombustion

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  • Analysis Of Coal Tar Pitch Relations Betweenthermal

    Analysis Of Coal Tar Pitch Relations Betweenthermal

    Indeed relations have been found3 between the solubilityof coal tar pitchesand the composition of their volatile fractionin this work the pyrolysis of ninecoal tar pitcheshas been analysed by thermogravimetricanalysistga and derivative thermogravimetry dtg and relations between thethermalbehaviour of thesepitchesand the

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  • Thermal Decomposition Of Petroleum And Coal Tar Pitchesby

    Thermal Decomposition Of Petroleum And Coal Tar Pitchesby

    Thermogravimetry was used to investigate petroleum andcoal tar pitchesundergoing pyrolysis in an atmosphere of air and nitrogen at three different heating rates pyrolysis ofpitchesin air is a threestage process whereas in nitrogen two stages were found a kineticanalysisof

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  • Pdf Study On Carbonization Processof Coal Tar Pitch

    Pdf Study On Carbonization Processof Coal Tar Pitch

    Sem imageanalysisofthermaldecomposition carbonof coal tar pitchphenolic r esin at different temperatur es an sem image of a 10coal pitchmodified phenolic resin sample charred at

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  • Studyof The Carbonization And Graphitization Of Coal Tar

    Studyof The Carbonization And Graphitization Of Coal Tar

    Jan 01 2017 1 introductioncoal tar pitchesctps are the most important binders used in the synthetic graphite industry due to their ability to form pure carbon residues in high yield together with good adhesive properties after carbonization and graphitization 1

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  • Semiquantitativeftiranalysisof Acoal Tar Pitchand

    Semiquantitativeftiranalysisof Acoal Tar Pitchand

    Semiquantitativegas chromatographicanalysisof the volatile fraction in several extracts obtained by treatmentof coal tar pitcheswith different organic solvents fuel 1995 74 2 233240

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  • Determination Of The Volatile Fraction Of Coal Tar

    Determination Of The Volatile Fraction Of Coal Tar

    Semiquantitative gas chromatographicanalysisof the volatile fraction in several extracts obtained by treatmentof coal tar pitcheswith different organic solvents j

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  • Syntheticpitches Based On The Anthracene Fraction Of Coal Tar

    Syntheticpitches Based On The Anthracene Fraction Of Coal Tar

    The work reports results of investigations on the properties ofpitchesproduced fromthe anthracene fraction of coal tarby means of the airblowing andthermalcracking methods for comparison samplesof coal tar pitchand airblownpitcheswere used the following parameters were determined softening point content of volatile matter fractional and elemental compositions

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  • Characterization Of Coal And Petroleumderived Binder

    Characterization Of Coal And Petroleumderived Binder

    Carbon anodes are manufactured from calcined petroleum coke ie sponge coke and recycled anode butts as fillers andcoal tar pitchsctp as the binder during the manufacturing of carbon anodescoal tar pitchis mixed with calcined petroleum coke the mix of binder filler and some additives is heated to about 50c above the softening point of thepitch typically 160c

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  • Heat Treatment Ofpitch Obtained From Atmospheric Fixed

    Heat Treatment Ofpitch Obtained From Atmospheric Fixed

    A medium temperaturepitch obtained from atmospheric fixedbedgasifier was distilled at a various time 1 2 3 and 4 h to induce polymerization and the results were compared with a commercialpitch aromaticity level ofpitcheswas examined using infrared spectroscopy elementalanalysisand simultaneousthermal analysistgdsc

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  • Preparation And Characterization Of Petroleumbased

    Preparation And Characterization Of Petroleumbased

    Machnikowski et al 1618 have also stressed the importance of hydrogenationof coaltar pitchduring the generation of mesophase product the mesophasepitchwas traditionally prepared by directthermalcondensation method 1921 which had some advantages such as simple process and operation

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  • Petroleum Derivatives As An Alternativeto Bindercoaltar

    Petroleum Derivatives As An Alternativeto Bindercoaltar

    The pyrolysis of a numberof coal tarand petroleumpitcheswas studied by means of thermogravimetry derivative thermogravimetry and differentialthermal analysisdta

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  • Thermal Conversion Behavior Of Mediumlowtemperature Coal

    Thermal Conversion Behavior Of Mediumlowtemperature Coal

    Mediumlow temperaturecoal tar pitchmlp is a type of aromatic carbonaceous material obtained by the low temperature distillation of low rankcoal and is considered as a desirable raw material for the production of artificial carbongraphite material

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