
Large equipment for coal tar processing crude anthracene
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Crude AnthraceneXinnuo Lixing (Huanghua) Group Co,
The production capacity of the main production equipment includes: 600,000 tons/year hightemperature coal tar processing device, 50,000 tons/year washing oil deep processing device, 2021年9月20日 Common technologies for coal tar production applications urgently need to be upgraded because coal tar is listed as a national hazardous waste This review associates Carbon precursors in coal tar: Extraction and preparation of carbon 2018年12月26日 The residue of distillation is coal tar pitch, which is further processed into coal tar pitch of desired chemical and physical properties The primary objective of coal tar Coal Tar and its Distillation Processes IspatGuru2023年8月1日 Coal tar, with its abundant availability and low cost, is an attractive precursor for producing carbon materials on a large scale These coal tarbased carbon materials have Systematic mapping of studies on coal tar and pitch over the last
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China Coal Tar Industry Report, 20192025 ResearchInChina
Coal tar and deepprocessing industry features low concentration and scattered capacity with CR10 being less than 30% in China Baoshun Technology as the coal tar deepprocessing Currently, improved coalbased pitches are in the process of being developed from tar fractions, such as anthraceneoil with no QI, with the aim of obtaining graphitic materials This paper CoalTar Pitch Utilization CSIC2021年7月2日 Extensive research led to the development of profound processing of coal tar to produce individual aromatic hydrocarbons and their derivatives, such as anthracene, Research on the Processing of Coal Tar and Raw Benzene at AO since sufficient quantities are present in coal tar; in theory, supplies of around 150,000 tpa of anthracene are available to meet a demand of some 20,000 tpa The feedstock for anthracene 11 Anthracene production and uses Springer
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China Coal Tar Industry Report, 20202025 ResearchInChina
In China, coal tar gets deep processed into phenols, naphthalene, wash oil, anthracene and asphalt and is also used to produce carbon black, for both of which consumption of coal tar in Konarak Tar Product Pvt Ltd was established in 1993 and is the most trusted manufacturer, supplier and exporter of a wide range of CoalTar Pitch and Coal Tar Products Our product offerings include Coal Tar Anthracene, Crude Coal Tar Anthracene Supplier in India, Crude 2019年1月1日 Hightemperature coal tar is a complex mixture of a large variety of condensable organic compounds recovered from coke oven gas (COG) These are characterized by their different functionalities, molecular weights, and structures, although they are all predominantly of an aromatic nature (Gayol, 1971)The following sections of this chapter use a number of terms 15 Coal tar : a byproduct in cokemaking and an essential raw 2011年10月1日 A relatively advanced industrialized method used for separation and purification of anthracene and carbazole from coal tar is crystallizationdistillation processImprovement of separation and purification process for anthracene
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11 Anthracene production and uses Springer
since sufficient quantities are present in coal tar; in theory, supplies of around 150,000 tpa of anthracene are available to meet a demand of some 20,000 tpa The feedstock for anthracene production from coal tar is the anthracene frac tion ('anthracene oil'), which boils between 300 and 400°C and contains around 6% anthracene (Table 111)Coal tar pitch is obtained from coal dry distillation of coal tar and then processed by distillation of asphalt; petroleum asphalt is the residue of crude oil distillation Compared with petroleum asphalt, coal tar pitch has lower temperature stability, poorer climate stability, heavier odor, and more harmful components, but it also has the advantage of better adhesion to mineral Xiangfeng Technology Co, Ltd Xiangfeng Technology Coal Tar2021年11月1日 Coal tar is a high viscosity liquid and has a black color which formed as a byproduct of the production process of coke and gas from coal Coal tar compounds have high economic value because they Energy analysis study of coal tar distillation process by feed 2019年2月27日 Abstract The derivation of commercial naphthalene by rectification is a possible approach in coaltar processing Naphthalene is widely used in chemical synthesis for the production of phthalic anhydride, superplasticizers, and intermediate products such as Cleve’s acids in dye production The quality of the naphthalene derived from petroleum is markedly Production of Commercial Naphthalene by CoalTar Processing
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China Coal Tar Industry Report, 20202025 ResearchInChina
In 2019, the coal tar deepprocessing capacity in China would be up to 255 million tons in comparison with the market demand only standing at 117 million tons or so, showing still huge overcapacity 144 Refining of Crude Anthracene 145 Decomposition of 2022年12月15日 A certain amount of crude anthracene was dissolved in an appropriate amount of toluene, and a little of acetone was added to avoid phase separation, after ultrasonic and stirring, homogeneous crude anthracene oil was obtained 5 g above crude anthracene oil and 1 g TEAC were put into the graduated vial, and then placed it in a water bath at 25 °C and was Theoretical and experimental exploration for efficient separation of The invention discloses a method for extracting industrial naphthalene from coal tar, and belongs to the field of coal chemical industry According to the method, coal tar is taken as a raw material; naphthalene is fractionated through a weightremoving column; firstly crude naphthalene is obtained; and then industrial naphthalene is prepared through a crude naphthalene rectifying CNA Method for extracting industrial naphthalene from coal Report No 101 COAL TAR CHEMICALS JAMES J L MA December 1976 A private report by the a PROCESS ECONOMICS PROGRAM STANFORD RESEARCH INSTITUTE MENLO PARK, CALIFORNIACOAL TAR and COAL TAR CHEMICALS SP Global
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Separation of anthracene and carbazole from crude anthracene
2023年1月1日 Anthracene and carbazole, the main components of crude anthracene, have high added value in chemical industry In this study, two imidazoliumbased ILs, [PM 2 IM][TFAc] (IL a) and [PM 2 IM][Ac] (IL b), were synthesized to separate anthracene and carbazoleThe effective separation of anthracene and carbazole was achieved by hydrogen bonding between coal tar deepprocessing capacity in China would be up to 255 million tons in comparison with the market demand only standing at 117 million tons or so, 144 Refining of Crude Anthracene 145 Decomposition of Hydroxybenzene Natrium Salt 146 Preparation of NaphthaleneChina Coal Tar Industry Report, 20202025 ResearchInChinaEstablished in 1993, Konark Tar Products Private Limited is one of the most trusted manufacturer and supplier of a wide range of CoalTar Pitch and Coal Tar Products Our product offerings include Coal Tar Impregnating Pitch zero QI, Coal Tar Binder Pitch, Blended Pitch PCM and Dehydrated Coal Tar, Creosote Oil Light/ Heavy /Mixed, Crude Naphthalene, Crude About Us Konark Tar Products Private Limited West Bengal India2022年1月15日 Anthracene (ANT) and carbazole (CAR) are highly valueadded compounds in chemical industry They are always mixed in preliminary processing products of high temperature coal tar and need to be separated and purified In this study, ionic liquids (ILs) were used to separate ANT and CARIonic liquids design for efficient separation of anthracene and
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Coal Tar Product Coal Tar Pitch Manufacturer from Kolkata
Since our inception, we have been engaged in manufacturing and supplying a wide variety of Coal Tar Products such as Coaltar Pitch, Dehydrated Tar, Crude Naphthalene and Anthracene Oil etc Formulated in conformation with set industry norms, our range finds a wide application in construction, pharmaceutical, metallurgy industries2015年7月1日 The production of tar pitches and binding agents for the manufacture of highquality carbon materials is considered The progressive scarcity of coaltar pitch is notedMethods for the preparation of coaltar pitch ResearchGate2022年12月15日 Process intensification, especially the clean utilization processing of coal tar, is significant for the development of coalbased fine chemicals However, coal tar is traditionally hydrogenated by fullfraction hydrotreating to prepare gasoline and diesel oil, which leads to underutilization of key components and lack of process intensification innovationsTheoretical and experimental exploration for efficient separation of Hightemperature coal tar contains, on average, 15% of anthracene Continuous tar distillation concentrates the anthracene in the fraction boiling between 300 and 360 °C (anthracene oil I) This oil amounts to 15 20% of the raw tar and contains about 7% anthracene; it is cooled to 20 30 °C and then centrifugedAnthracene (C6H4CH)2 CID 8418 PubChem
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Research on the Processing of Coal Tar and Raw Benzene at AO
2021年7月2日 Extensive research led to the development of profound processing of coal tar to produce individual aromatic hydrocarbons and their derivatives, such as anthracene, phenanthrene, pyrene, diphenic and nicotinic acids, phenanthrenequinone, 8hydroxyquinoline (and its pharmacological derivatives), and trixylenyl phosphate (Bednov, Gurevich, 2008年8月20日 Characterization of Molecular Mass Ranges of Two Coal Tar Distillate Fractions (Creosote and Anthracene Oils) and Aromatic Standards by LDMS, GCMS, ProbeMS and Sizeexclusion ChromatographyCharacterization of Molecular Mass Ranges of Two Coal Tar 2022年12月1日 Crude oil/coal matching performance, swelling degree, crude oil/coal slurry viscositytemperature characteristics and process parameters were obtained via the laboratory scale and pilot scale studiesInvestigation of the coprocessing technology of anthracene fraction of coal tar by means of the air blowing and thermal cracking methods For comparison, samples of coal tar pitch and airblown pitches were usedSynthetic Pitches Based on the Anthracene Fraction of Coal Tar

Modeling the Coal Tar Pitch Primary Carbonization Process
2022年11月26日 The properties of the carbon materials obtained as the final product of coal tar pitch carbonization process are a consequence of the type of chemical and physical phenomena occurring through the process A new simplified approach for modeling of the primary carbonization is presented to provide the semiquantitative knowledge about the process Shanxi Coking Co, Ltd, as a coal coking industry chain extension demonstration base of Shanxi Coking Coal Group Co, Ltd, now boasts production facilities with annual capacities up to coke 3,600 kilotons, coal tar processing 300 kilotons, coke oven gas to methanol 350 kilotons, crude benzol refining 100 kilotons and carbon black 80 kilotons as well as 45 product varieties like China Coal Tar Industry Report, 20202025 Research and 2023年8月1日 Coal tar (CT) is the portion of volatile matter obtained from thermochemical processing of coal that condenses at room temperature (Speight, 2005)It has a dark brown color, a pungent odor and poor fluidity at room temperature (Gong et al, 2018, Jiang et al, 2016)CT can be classified into low, medium and high temperature depending on the processing Systematic mapping of studies on coal tar and pitch over the last The typical process of existing producing industrial fluorene by coal tar wash oil is as shown in Figure 1: the heavy wash oil that removes with coal tar wash oil after the components such as naphthalene, methylnaphthalene, dimethylnaphthalene, acenaphthene is a raw material, heating in batch still 101, gas phase enters intermittent column 102, cat head oil gas enters backflash CNA Process for producing industrial fluorene by coal tar
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Highly Efficient Solvent Screening for Separating Carbazole from Crude
Anthracene and carbazole are both highly valueadded products in the anthracene fraction of coal tar, and it is a difficult task to separate and purify anthracene and carbazole from the anthracene fraction/crude anthracene, which consists of many components, differing only slightly in boiling points To seek a highly efficient solvent to separate carbazole from crude anthracene, the 2024年10月1日 Based on the process for the separation of anthracene and carbazole from crude anthracene by imidazoliumbased ILs, the purity of refining anthracene reached 9489% and that of crude carbazole Screening deep eutectic solvents as green solvents for efficient An Effective Approach for Separating Carbazole and Its Derivates from CoalTarDerived Anthracene Oil Using Screening deep eutectic solvents as green solvents for efficient extraction of carbazole from model crude anthracene oil Xudong from fuel oils is necessary because of their inhibiting effect on the hydrodesulfurization process An Effective Approach for Separating Carbazole and Its Derivates Coal tar, a byproduct of the thermal processing of coal, is a valuable resource, with annual production consistently exceeding 20 million tons in China [1] Anthracene oil, a major fraction of hightemperature coal tar, is a mixture of aromatic compounds such us anthracene, phenanthrene, and carbazole [2] Screening deep eutectic solvents as green solvents for efficient

PitchLike Products Obtained by the Thermal Solution of Coal in
2024年2月6日 Coaltar pitch is a viscoelastic material consisting of aromatic hydrocarbons It is isotropic, but may become anisotropic on heating []In the production of carbon fibers, mesophase coal pitch is of most value, on account of its ability to melt without rupture of the fibers [1, 2]Such pitch is characterized by a thermotropic crystal, which facilitates the organization of pitch 2020年12月1日 Three extractive pitches were produced by using thermal dissolution of the mediumranked coals at 380 °C for one hour in the medium of an anthracene oil from the coaltarThermal Dissolution of Bituminous Coal in Heavy Coal 2003年3月1日 In this study, a lowtemperature coal tar pitch (CTP1) was subjected to carbonization in order to study the formation, growth, and development of mesophase achieved under different conditionsDevelopment of Mesophase from a LowTemperature Coal Tar PitchAnthracene was first discovered in coal tar by Jean BA Dumas and Auguste Laurent in 1832 The importance of anthracene for industrial aromatic chemistry began with the synthesis of the dyestuff alizarin by Carl Graebe and Carl Th Liebermann, as well as by William HPerkin in 1868, replacing the natural dye produced from madderAnthracene — production and uses SpringerLink
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Crude AnthraceneXinnuo Lixing (Huanghua) Group Co,
The production capacity of the main production equipment includes: 600,000 tons/year hightemperature coal tar processing device, 50,000 tons/year washing oil deep processing device, 80,000 tons/year phthalic anhydride production device, and 100,000 tons/year environmentally friendly plasticizer production device2012年6月1日 Anthracene (AN) is an important fine chemical feedstock, mainly derived from the anthracene oil fraction of hightemperature coal tar The traditional solvent crystallization method used to obtain Separation of highpurity phenanthrene and anthracene from the 2024年7月21日 Anthracene has slight solubility in benzene, chloroform, and carbon disulfide, less solubility in diethyl ether and ethanol, and is nearly insoluble in water Anthracene has a specific heat capacity of 1164 J/kg at 24 °C, a heat of fusion of 162 kJ/kg, a heat of vaporization of 294 kJ/kg, and a heat of combustion of 40110 kJ/kg at 25 °CAnthracene: Properties, Production And UsesLuqiao production base is located in Luqiao Industrial Park, Huanghua City, Hebei Province, covering an area of more than 900 acres The main production equipment capacity includes: 900,000 tons/year hightemperature coal tar processing equipment, 50,000 tons/year washing oil deep processing equipment, 80,000 tons/year phthalic anhydride production equipment, and Xinnuo Lixing (Huanghua) Group Co, LtdChemicalAsphalt

Preparation of anthraquinone from crude coal tar
Usually the crude anthracene comprises a fraction obtained in the distillation of coal tar, a fraction in the socalled anthracene oil range This crude anthracene will also comprise carbazole and phenanthrene with smaller concentrations of homologs of anthracene and phenanthrene, such as acenaphthene, fluorene, chrysene, and acridine