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Crude Coal Tar is a by product of the Coking process Coking is the process of heating coal in coke ovens to drive volatile matter from it Metallurgical Coke is used as a fuel and reducing agent in the production of iron steel ferro alloys elemental phosphorus calcium carbide and numerous other processes It is also used to produce carbon

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Abstract Cocarbonization characteristics of long flame coal mixed with algae in different proportions were studied in a dry distillation equipment and focusing on the coal tar of the product with GCMS and FTIR in order to investigate the changes in coal tar The results show that the tar yield increases with the increasing of algae added the light oil components of cocarbonized coal tar

Mesophase formation in defined mixtures of coal tar

Coal tar pitch CP is a promising carbon raw material for producing needle coke carbon fiber etc During processing the H C ratio ash content and quinoline insoluble QI in the CP are the

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Removal of Quinoline Insolubles QI in Coal Tar Pitch by

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Standard Test Method for Determination of Quinoline

D4746 98 Standard Test Method for Determination of Quinoline Insolubles QI in Tar and Pitch by Pressure Filtration coal tar insolubles pitch pressure filtration QI quinoline insolubles tar

Epsilon Carbon

Binder Pitch Coal Tar Pitch is a black or dark brown amorphous residue produced by the distillation or heat treatment of coal tar Zero QI Impregnation Pitch It is derived from the processing of high temperature coal tar Carbon Black Oil Different fractions of oils are produced during coal tar distillation ranging between 180oC and 350oC Creosote Oil Creosote Oil is produced during the

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The Use of Gasification Pitch and Coal Tar Pitch in Carbon

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Patent US4664774 Low solids content coal

Low solids content coal tar based impregnating pitch This reduces off gas scrubbing equipment requirements lt 5 50 g 15 minutesLow QI Coal Tar sup 4

Technology for the Production of Zero Q I Pitch from Coal Tar

Technology for the Production of Zero Q I This paper discusses the technology of Q I separation from Coal Tar by using decantation of Coal Tar mixed with

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Standard Test Method for Determination of Quinoline

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A thermoanalytical study of the co pyrolysis of coal tar

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Microstructural characteristics of toluene and quinoline

1 IntroductionThe interest for the structural composition and texture of toluene insoluble TI and quinoline insoluble QI in coal–tar pitch – as raw and coked material – is both scientific and practical

CHNX decanter improves tar recovery in Belgium

20161025 ensp 0183 enspold tar decanter with an Alfa Laval CHNX 418 twophase decanter for coal tar recovery Prior to the decanter there are 3 static decanters to remove larger solid particles After the static decanter there is a conical tar separator to separate the water and the tar The bottom tar phase CHNX decanter improves tar recovery in Belgium

qi of coal tar – Grinding Mill China

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Extraction of coal tar pitch with supercritical toluene

Extraction of coal tar pitch with supercritical toluene gave QI in coal tar pitch consist design of the SCFE equipment may pre vent

Structural characterization of coal tar pitches for the

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1997 The study of QI extraction from coal tar pitch using coal tar USING COAL TAR DERIVED OILS AS SOLVENT IN A Coal Tar WO Soft Pitch Pitch Figure 1 Schematic flow chart of USIMINAS coal tar distillation

The influence of the type of quinoline insolubles on the

Seven pitches containing three types of quinoline insolubles QI were produced from a single coke oven coal tar The tar was centrifuged into QI rich and QI lean fractions

A novel method for removing quinoline insolubles and ash

A technique for the removal of quinoline insolubles QI and ash in coal tar pitch CTP using a high voltage electrostatic field EF was developed

Effect of incorporating nano silicon carbide on the

Effect of incorporating nano silicon carbide on the properties of green coke based monolithic carbon Anil Kumar Mandeep Kaur Rajeev Kumar Pinaki Ranjan Sengupta Vasantha Raman The QI free coal tar pitch and green coke GC equipment for carbon C and hydrogen H

Quinoline Insoluble Tutorial Petrographic Atlas SIU

To study the quinoline insolubles coal tar is solvent extracted with quinoline and the solid carbon particles remaining are term the quinoline insoluble residue This residue is composed of materials derived from the by products and coal related solids The by product carbons consist of normal or primary QI pyrolytic carbon pitch coke and tar solids The coal related solids consist of char

Strategies for a Declining North American Coal Tar Supply

LIGHT METALS 1998 MÉTAUX LÉGERS M i lli o n L i t e r s 1997 1998 1999 2000 2001 2002 2003 2004 2005 Mexico Canada United States North America 0 200 400 600 800 1000

What is the difference between tar asphalt bitumen

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The Effect of Heat Treatment on Pitch Quality DTU Orbit

treatment than coal tar material and that there was no significant interaction between the two materials in the measured temperature range The pitches were submitted to analytical tests especially aimed at the heaviest components

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Dehydrated Coal Tar these are manufactured using best quality polyamide epoxy and advanced equipment as per latest industrial Soft Coal Tar Pitch Zero QI Pitch

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Coal Tar Pitch Utilization Digital CSIC

anthracene oil with no QI with the aim of obtaining graphitic materials This paper offers an overview of traditional uses of coal tar pitches their main markets and their potential as carbon material precursors Keywords Coal tar pitch carbon materials anodes COAL TAR PITCH HISTO RY

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CN102952561A Method for preparing adjustable high

The method for preparing adjustable high QI coal tar disclosed by the invention can increase the percent of the QI with the diameter less than 0 5 micron in a multiplying manner is adaptable to the needs of the development of carbon materials currently and provides a larger development space for the carbon materials and furthermore a mixing technology of the method provided by the

Recent trends in binder pitches for reduction anodes

The properties of coal tar pitches have changed more in the last eight years than in the previous 40 Over the same period of time the understanding of the influence of these properties on anodes has increased greatly The definition of a good quality pitch for the manufacture of anodes for the

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Predicting the toluene and quinoline insoluble contents of

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