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Characterisation Of Coal Tar Pitches By Thermal Analysis

Characterization of volatiles in coal tar pitch by gas characterization of volatiles in coal tar pitch by gas 2015 characterization of volatiles in coal tar pitch by gas chromatographymass spectrometry and atmospheric pressure solid analysis probetime of flightmass spectrometry analytical letters vol 48 no 6 pp 955965, 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

    Four commercially available coal tar pitches have been characterised through the combination of conventional techniques used for pitch characterisation like elemental analysis and solvent

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  • Analysis Of Coal Tar Pitch Relations Between Thermal

    Analysis Of Coal Tar Pitch Relations Between Thermal

    This paper discusses the influence of pitch composition on its thermal behaviour the value of the approach consisting in the characterization of these materials by analysis of their volatile fraction is demonstrated the pyrolysis of nine coal tar

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  • Structural Characterization Of Coal Tar Pitches Obtained

    Structural Characterization Of Coal Tar Pitches Obtained

    Mar 20 1996 several chromatographic procedures were developed by the authors for the structural characterization and fractionation of pitches six coal tar pitches obtained by heat treatment under different conditions together with a typical mesophase petroleum pitch chosen for comparison were studied following these procedures the results gave an insight into the kind and extension of the

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  • Characterization Of Coal Tar Pitches With Different

    Characterization Of Coal Tar Pitches With Different

    Nov 01 1998 optimum experimental conditions for a quantitative 1 h nuclear magnetic resonance 1 h nmr analysis of coal tar pitches are given from the variety of sample concentrations studied it was found that 3 in weight was the most suitable concentration for 1 h nmr experiments the cutoff points were adjusted and the different types of hydrogen in the resultant regions were identified

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  • Preparation And Characterization Of Petroleumbased

    Preparation And Characterization Of Petroleumbased

    Preparation and characterization of petroleumbased mesophase pitch by thermal condensation 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 email yushitaoqust fax 860532

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  • Characterization Of Pitches By Differential Scanning

    Characterization Of Pitches By Differential Scanning

    Jan 16 1982 the glasslike nature of coal tar pitch was demonstrated by the detection of a glass transition which appeared as a discontinuity in the volume expansion temperature curve 4 stadelhofer 5 determined directly the glass transition tem perature t g of a coal tar pitch by using dsc

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  • Synthetic Pitches Based On The Anthracene Fraction Of Coal Tar

    Synthetic Pitches Based On The Anthracene Fraction Of Coal Tar

    The work reports results of investigations on the properties of pitches produced from the anthracene fraction of coal tar by means of the airblowing and thermal cracking methods for comparison samples of coal tar pitch and airblown pitches were used the following parameters were determined softening point content of volatile matter fractional and elemental compositions

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  • 101016s0016236100000570  Deepdyve

    101016s0016236100000570 Deepdyve

    Jun 11 2020 for example even though two pitches have similar parameters they may exhibit a distinct thermal behaviour 9 different techniques exist for pitch characterisation among them solvent fractionation nmr ftir and thermal analysis provide useful information 81014

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  • Study On The Pyrolysis Characteristic And The

    Study On The Pyrolysis Characteristic And The

    Apr 30 2018 keywords coal tar pitch beta resins pyrolysis characteristic microscopic structure quantity analysis introduction international union of pure and applied chemistry iupac define pitch as a solid material at room temperature ie the residue obtained after the pyrolysis of organic materials or distillation of tar 1

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  • Novel Carbon Foam Composites Reinforced With Carbon Fiber

    Novel Carbon Foam Composites Reinforced With Carbon Fiber

    Apr 08 2020 novel carbon foam composites derived from various pitch precursors have been fabricated and characterized this paper specifically focuses on developing an effective process for fabricating the carbon foam composites from polyacrylonitrile panbased carbon felt as a reinforcement and various readily available pitch matrix such as petroleum pitch coal tar pitch and mesophase pitch

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  • Thermal Reaction Analysis Of Coal Tar Pitch By Laser

    Thermal Reaction Analysis Of Coal Tar Pitch By Laser

    Method is chosen for the purpose of characterization in this report ldi mass spectrometry was chosen to find out the chemical structure and thermal reaction scheme of pitch constituents because it is suitable for analysis of solid samples 2 experimental 21 preparation of coal tar pitch 211 distillation of coal tar

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  • Analysis Of Coal Tar Pitch Relations Between Thermal

    Analysis Of Coal Tar Pitch Relations Between Thermal

    This paper discusses the influence of pitch composition on its thermal behaviour the value of the approach consisting in the characterization of these materials by analysis of their volatile fraction is demonstrated the pyrolysis of nine coal tar

    READ MORE
  • Plasticity And Thermal Analysis Of Coal Tar Pitch At High

    Plasticity And Thermal Analysis Of Coal Tar Pitch At High

    The pitches studied 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 differential thermal analysis

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  • Nmr A Powerful Tool In The Characterization Of Coal Tar Pitch

    Nmr A Powerful Tool In The Characterization Of Coal Tar Pitch

    Jun 07 2003 the application of nmr to coal tar pitch ctp characterization provides valuable information about its structure the dept sequence is revealed as a useful tool to identify the different carbon types of ctp components in 13c nmr spectra consequently chemical shift classifications can be established in an easy and accurate way for 13c nmr spectra

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  • Coaltar Pitch Composition And Pyrolysis Behavior

    Coaltar Pitch Composition And Pyrolysis Behavior

    Thermogravimetric analysis and differential scanning calorimetry were applied to the characterization of low and high temperature coal tar and petroleum pitches and their fractions were separated

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  • Characterization Of Mediumtemperature Sasollurgi

    Characterization Of Mediumtemperature Sasollurgi

    Characterization of mediumtemperature sasollurgi gasifier coal tar pitch gedion papole1 walter w focke2 and ncholu manyala3 sarchi chair in carbon technology and materials institute of applied materials 1department of chemistry2department of chemical engineering 3department of physics university of pretoria pretoria 0002 south africa

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  • Synthetic Pitches Based On The Anthracene Fraction Of Coal Tar

    Synthetic Pitches Based On The Anthracene Fraction Of Coal Tar

    The work reports results of investigations on the properties of pitches produced from the anthracene fraction of coal tar by means of the airblowing and thermal cracking methods for comparison samples of coal tar pitch and airblown pitches were used the following parameters were determined softening point content of volatile matter fractional and elemental compositions

    READ MORE
  • Preparation And Characterization Of Petroleumbased

    Preparation And Characterization Of Petroleumbased

    Preparation and characterization of petroleumbased mesophase pitch by thermal condensation with inprocess hydrogenation ming li a yadong zhangb shitao yua congxia xie a dong liub shiwei liua ruiyang zhaoa and bing biana a petroleum aromaticrich component was used to prepare mesophase pitch by thermal condensation

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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 and coal tar pitch sctp as the binder during the manufacturing of carbon anodes coal tar pitch is mixed with calcined petroleum coke the mix of binder filler and some additives is heated to about 50c above the softening point of the pitch typically 160c

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  • Physical And Chemical Characterization Of Biopitch As A

    Physical And Chemical Characterization Of Biopitch As A

    Light metals 2019 light metals 2019 pp 12291235 cite as physical and chemical characterization of biopitch as a potential binder for anode

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  • A Oberlins Research Works  Universit Dorlans

    A Oberlins Research Works Universit Dorlans

    Pitches with the same ks but with increasing degree of thermal evolution issued either from crude or filtered coal tar underwent the filtration test they were characterized by transmission

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  • Pdf Characterization Of The Indonesian Coal Tar

    Pdf Characterization Of The Indonesian Coal Tar

    Coal tar characterization a composition analysis on the coal tar generated in the experiment order of no3 to no1 to those in naphtha tar pitch1 and coal tar pitch as described in a

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  • Study On The Pyrolysis Characteristic And The

    Study On The Pyrolysis Characteristic And The

    Apr 30 2018 keywords coal tar pitch beta resins pyrolysis characteristic microscopic structure quantity analysis introduction international union of pure and applied chemistry iupac define pitch as a solid material at room temperature ie the residue obtained after the pyrolysis of organic materials or distillation of tar 1

    READ MORE
  • Koppers White Papers  Koppers

    Koppers White Papers Koppers

    Coaltarpetro binder studies mchenry e r paper presented at fifth australasian aluminum smelter technology workshop sydney australia october 2227 1998 development of anode binder pitch laboratory characterization methods tms light metals 98 e r mchenry j t baron and k c krupinski coaltarpetro industrial pitches

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  • Standard Test Method For Shear Viscosity Of Coaltar And

    Standard Test Method For Shear Viscosity Of Coaltar And

    11 this test method covers the determination of the apparent shear viscosity of coaltar and petroleumbased pitches having a mettler softening point sp range of

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  • Effect Of Different Catalysts On Properties Of Coal Tar

    Effect Of Different Catalysts On Properties Of Coal Tar

    Cinnamaldehyde cma modified coal tar pitches ctps 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 thermogravimetric analysis and derivative thermogravimetry and polarized

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  • Characterization Of Volatiles In Coal Tar Pitch By Gas

    Characterization Of Volatiles In Coal Tar Pitch By Gas

    2015 characterization of volatiles in coal tar pitch by gas chromatographymass spectrometry and atmospheric pressure solid analysis probetime of flightmass spectrometry analytical letters vol 48 no 6 pp 955965

    READ MORE
  • Characterization Of Medium Temperature Gasifier Pitch

    Characterization Of Medium Temperature Gasifier Pitch

    Characterization of medium temperature gasifier pitch by pitches are generally less aromatic than coal tar pitches mediumtemperature gasifier pitch mtp from sasols lurgi process is a potential precursor for graphitisable carbon mtp a high degree of solubilityshowed in several 37 thermal analysis

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  • Structure And Thermal Properties Of Tar From Gasification

    Structure And Thermal Properties Of Tar From Gasification

    This study was carried out to elucidate chemical composition and thermal decomposition behavior of biotar from the gasification of agricultural crop residue facilitating its further processing and utilization structural characterization by gas chromatography mass spectroscopy gcms fourier transform infrared spectroscopy and elemental analysis indicated that the biotar was mainly

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  • Analytical Methods For Coal And Coal Products  1st Edition

    Analytical Methods For Coal And Coal Products 1st Edition

    Vi analysis and testing of coal tar pitches references chapter 34 analysis of coal tar binders for electrodes i carbon electrode manufacture ii production of coal tar pitch iii pitch binder properties iv flow properties of carbon paste v evaluation of test electrodes vi summary and conclusions references part viii coal combustion

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  • Pdf Heat Treatment Of Pitch Obtained From Atmospheric

    Pdf Heat Treatment Of Pitch Obtained From Atmospheric

    A medium temperature pitch obtained from atmospheric fixedbed gasifier was distilled at a various time 1 2 3 and 4 h to induce polymerization and the results were compared with a commercial pitch aromaticity level of pitches was examined using infrared spectroscopy elemental analysis and simultaneous thermal analysis tgdsc longer heating time promoted lower moisture content

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  • Heat Treatment Of Pitch Obtained From Atmospheric Fixed

    Heat Treatment Of Pitch Obtained From Atmospheric Fixed

    A medium temperature pitch obtained from atmospheric fixedbed gasifier was distilled at a various time 1 2 3 and 4 h to induce polymerization and the results were compared with a commercial pitch aromaticity level of pitches was examined using infrared spectroscopy elemental analysis and simultaneous thermal analysis tgdsc

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  • Coal Sampling And Analysis Standards

    Coal Sampling And Analysis Standards

    Coal centre coal sampling and analysis standards 4 abstract each year billions of tonnes of coal are traded in regional and international market for use in power generation steel and cement making and many other purposes in commercial operations the price of coal

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  • Characterization Of Toluene And Quinolineinsoluble

    Characterization Of Toluene And Quinolineinsoluble

    Aug 16 2018 we herein report extraction and characterization of tolueneinsoluble ti and quinolineinsoluble qi from pyrolyzed fuel oil pfo derivedpitch the xray diffraction patterns demonstrated that qi component exhibited a more crystalline character than ti component in addition analysis by fourier transform infrared spectroscopy ftir indicated the presence of signals at 3060 cm1 for

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  • Us6352637b1  High Coking Value Pitch  Google Patents

    Us6352637b1 High Coking Value Pitch Google Patents

    A high coking value pitch with a relatively low softening point is disclosed a pitch is distilled or thermally processed to produce an intermediate pitch with an increased coking value and relatively high softening point then blended with a cutter solvent of a liquid hydrocarbon stream to form a product pitch the process may be used to increase the coking value of either petroleum or coal

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  • Insights On The Global Biogas Market  Covid19 Impact And

    Insights On The Global Biogas Market Covid19 Impact And

    Aug 20 2020 noncoking or steam or thermal coal coal type coal processing coal tar coal tar pitch their research and analysis focus on emerging

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  • The Pennsylvania State University The Graduate School

    The Pennsylvania State University The Graduate School

    There are different binder pitches used in this work which were standard coal tar pitch sctp2 petroleum pitch pp1 gasification pitch gp115 coalextract pitch wvu5 and cocoking pitches htccp and oxccp petroleum pitch is a residue produced from heattreatment and distillation of petroleum fractions production of coal

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  • Thermal Treatment Of Pitchpolymer Blends In Journal Of

    Thermal Treatment Of Pitchpolymer Blends In Journal Of

    Aug 15 2008 journal of thermal analysis and calorimetry the effect of polymers on the coaltar pitch blend properties was evaluated some pitchpolymer blends were then carbonized to carbon sorbents used for purification of water and wastewater character limit 500 500

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