Coal tar pitch Common Name: COAL TAR PITCH Synonyms: Coal Tar Pitch Volatiles; Coal Tar; Pitch Chemical Name: Pitch, Coal Tar Date: January 2001 Revision: August 2009 CAS Number: 65996-93-2 RTK Substance Number: 0519 DOT Number: UN 1136 Description and Use Coal Tar Pitch is a dark brown to black, thick liquid, with a Aug 1, 2023 · Coal tar pitch is a solid product of coal tar distillation, accounting for about 50–60 wt% of HTCT (Liu et al. Feb 2, 2022 · Figure 1 illustrates examples of coal-derived materials including active carbon for water and air treatment 9 and carbon black for tires. Grossman SUMMARY Heavy carbonaceous materials (HCMs) such as coal are mostly used for nonrenewable power generation, while derivatives such as tar and pitch are often discarded by-products. The coal tar pitch market is quite healthy and essential for use across different industries. It has medical and industrial applications, such as treating skin conditions and preserving railroad ties. . Dublin, June 02, 2025 (GLOBE NEWSWIRE) -- The "North America Coal Tar Pitch Market, By Country, Competition, Forecast and Opportunities 2020-2030F" has been Coal tar pitch; Methods of test (Part 1) :1993 Determination of matter insoluble in quinoline (Part 2): 1993 Determination of coking value 3 TERMINOLOGY For the purpose of this standard, the definitions given in IS 334 shall apply. NIOSH: Occupational Health Guideline for Coal Tar Pitch Volatiles. Pitch, coal tar, high-temp. Jun 1, 2019 · Coal tar pitch (CTP) is a carbon material produced in large scale as by-product of metallurgic cokes since the first industrial revolution. g. Learn more about coal-tar-based Aug 1, 2024 · Coal tar pitch, petroleum pitch, and naphthalene are the three commonly used precursors for mesophase pitch synthesis [9], [10]. The company manufactures various products related to coal tar, including coal tar anthracene, anticorrosive coal tar coating, blended pitch, crude naphthalene, and creosote oil. 4 GRADES 4. Himadri is the largest coal tar pitch manufacturer in India, holding over 70% market share in the space. Since that time new data have become available, which have been incorporated in this Monograph, and taken into consideration in the present evaluation. Industries where workers are potentially exposed to CTPVs include coking, roofing, road paving, aluminum smelting, wood preserving and any others where Approximately half of the cohort had ever been exposed to coal tar pitch volatiles. Feb 11, 2009 · In the processing of coal to make coke for steel making, volatile compounds are collected from the coking ovens, condensed, and separated, and become the base of hundreds of raw materials, including dyes, plastics, and a byproduct called coal-tar pitch. May 2, 2018 · New coal-tar-pitch roof installations, however, are extremely rare. Both coal tar and coal-tar pitch are known human carcinogens. 2015. Past Lessons Coal tar pitch has been the anode binder of choice for aluminum smelters since the inception of the industry. Coal tar and coal-tar pitch are used in coal-tar-based sealcoat products, although use of coal-tar pitch is more common than use of coal tar. 2). Coal-tar pitch is the residue that remains after the distillation of coal tar, that is, the thick black liquid remaining after various oils are removed from coal tar for use in the manufacture of industrial and consumer products. 2. Nomura S. 225 commodities worldwide. We manufacture Coal Tar Pitch from good quality High Temperature Coal Tar. 10 Rare earth metal materials refined from coal and carbon fibers made from coal tar pitch have high additive values that may ultimately make them attractive for commercialization. We would like to show you a description here but the site won’t allow us. Pitch products are the primary materials produced through the distillation of coal tar and petroleum feedstocks, and are used as binders and for impregnation applications across a variety of industries. 1972]; however, no studies have been made on carcinogenic effects by any route from single short-term exposure to CTPV that could relate to a 30-minute IDLH. Coal-tar pitch is produced by distillation of the crude coke-oven tar (obtained during the The coal tar pitch market is expected to grow at a CAGR of 4. The necessity of a search for new sources of raw materials and alternative methods for the production of coal-tar pitch substitutes is substantiated. Exposure to coal tar pitch volatiles occurs within the potrooms, potlining, potshell repair, and the anode plant. creosote, coal tar creosote, and coal tar is provided in Tables . So it is an ideal precursor for synthesizing CDs with highly graphitized structure. COAL TAR PITCH VOLATILES: METHOD 5023, Issue 2, dated 15 August 1993 - Page 3 of 3 NOTE: An aliquot of the solution may be taken at this step if other analyses (e. See full list on cancer. Feb 15, 2025 · Coal tar pitch exhibits a high sensitivity to temperature, with its viscosity rapidly decreasing as the temperature rises, subsequently enhancing its flow properties. , 2011), in addition to small particles that are entrained from coking and concentrated in the pitch during tar distillation (Baron et al. Coal tar pitch is defined as the residue (nonvolatile at 450°C) from the distillation of coal tars produced by the high temperature pyrolysis (>1000°C) of coal. 3) The purpose of this work was to evaluate the sampling and analytical method routinely to coal-tar-pitch volatiles (NIOSH 1990). doi: 10. 1% from 2024 to 2032. Workers potentially exposed to coal-tar pitches include those pro-ducing or using pavement tar, roofing tar, coal-tar pitch, coal-tar paints, coal-tar enamels, other coal-tar coatings, or refractory bricks. 1 Coal Tar Pitch The coal tar pitch shall be classified into the following four grades: a) Soft pitch, Aug 14, 2015 · The production of tar pitches and binding agents for the manufacture of high-quality carbon materials is considered. 90% in the forecast period of 2025-2034 to reach USD 4. The coal tar pitch market was valued at USD 4,724. Coal tar pitch is mainly used as a binder for aluminum smelting electrodes, but is also used in coating surfaces, in roofing materials, to impregnate and strengthen refractory brick and is used to produce pitch coke. One of the major products produced is coal tar pitch. , polynuclear aromatic hydrocarbons) are to be performed on the sample. This material consists of multiple plies of felt with interplies of coal tar pitch, and then embedding gravel in a flood Feb 2, 2022 · The perspective highlights the shift of coal and other heavy carbonaceous materials (tar, pitch, and beyond) from combustion sources to low carbon emission applications ranging from joule heaters, supercapacitors, and strain sensors. producing coal tar pitch, from a ton of coal is 30--45 liters (8-12 gallons). Feb 8, 2025 · Learn about coal tar pitch, a thermoplastic material derived from coal tar that was used for waterproofing and adhesive in built-up roofing. Konark Tar Products Private Limited was established in 1993 and is a manufacturer and suppler of coal tar pitch and coal tar products based in Durgapur, West Bengal, India. The following references aid in evaluating levels of CTPVs. Jul 1, 2015 · The production of tar pitches and binding agents for the manufacture of high-quality carbon materials is considered. 032. Lastly, coal tar pitch supply and quality issues for the future will be addressed. Today’s version is coal tar pitch built-up roofing (BUR). Application tools—such as melting kettles, mops, and mop carts—needed to be dedicated to either pitch or asphalt. 5. Intratec's methodology employs a structured big data strategy that utilizes advanced technologies to extract publicly available data from primary sources such as governmental trade records, statistics bureaus, and international agencies. The tar predominantly contains a mixture of bi- and poly-condensed aromatic hydrocarbons and also compounds with heteroatoms in rings (predominantly nitrogen bases from the quinoline and acridine Dec 21, 2021 · Cancer Studies in Humans. However, the rising demand for lightweight vehicles will likely boost the consumption of coal tar pitch for aluminum production. Other articles where coal tar pitch is discussed: pitch: Coal tar pitch is a soft to hard and brittle substance containing chiefly aromatic resinous compounds along with aromatic and other hydrocarbons and their derivatives; it is used chiefly as road tar, in waterproofing roofs and other structures, and to make electrodes. Coal tar pitch is composed almost entirely of polynuclear aromatic compounds and constitutes 48-65% of the usual grades of coal tar. Coal-tar pitch is the residue that remains after the distillation of coal tar. This unique characteristic of coal tar pitch is crucial for its widespread usage as a commonly utilized binder. So, to build an energy efficient and environment friendly electric vehicle while keeping the cost nearly same, coal tar pitch-based carbon fiber has the potential to be the game changer. Petroleum Pitch: What remains from the petroleum refining process is called pitch, which can be similar to bitumen but with differences due to their refining properties. The coal tar pitch material was produced by heat-treating coking coal to 400 °C, quenching the semi-coke and applying solvent extraction. Coal tar pitch has many uses, but the majority of the pitch produced is used as a binder for petroleum coke to produce anodes and graphite electrodes. A black solid with an approximate softening point from 30 °C to 180 °C (86°F to 356°F). So far, several strategies have been reported to synthesize coal and coal tar pitch derived CDs [[18], [19], [20]]. Learn about the hazards, exposure limits and control methods of coal tar pitch volatiles (CTPVs), a group of chemical vapors produced by heating coal tar pitch. Compared with spinnable pitch from THF-refined pitch, spinnable pitch from wash oil-refined pitch(WO-SP) displayed a slower descent of viscosity with temperature raising, and resultant pitch-based carbon fiber had a better tensile strength of 790 ± 37 MPa and modulus of 40. 1978; NIOSH/CEC/IPCS: International Chemical Safety Cards - Coal Tar Pitch. Coal Tar Pitch has been traditionally used for manufacturing Carbon Anodes and Electrodes for Aluminum and Graphite Industry. Coal tar is a dark liquid by-product of coal processing, containing various chemicals, some of which are carcinogenic. 40 The molecular structure of coal tar pitches usually consists of an aromatic core with only a few methyl groups attached. Quantitative levels of coal tar pitch volatiles 1. The capabilities of different methods for the thermal and thermochemical The Coal Tar Pitch Market is expected to register a CAGR of greater than 4. 58 million in 2025, growing to USD 6,666. Data Use. Coal tar pitch is an amorphous residue produced by the distillation or heat treatment of coal tar, which is a by-product of coal when it is carbonized to make coke. 63(8):511-516, 1992. Coal tar pitch is similar in composition to coal tar creosote and is not presented separately. Numerous studies, mostly case reports, have found that occupational exposure to coal tars or coal-tar pitches (coal-tar distillates) is associated with skin cancer, including scrotal cancer; workers in these studies have included patent-fuel (coal-briquette) workers, pitch loaders, workers in electrical trades, and optical-lens polishers (IARC 1985; 1987). The manufacture of carbon electrodes for the aluminum industry and graphite electrodes for steel arc furnaces are the most important CTP applications (Díez Coal Tar & Petroleum Pitches. Find out how it was applied, how it performed, and why it is rarely used today. Composed primarily of a complex mixture of three or more membered condensed ring aromatic hydrocarbons. Although mesophase pitch derived from naphthalene has a lower softening point and better spinning behavior, the relative high raw cost and production process complex inhibits its widespread application. 5% during the forecast period. Aug 15, 2022 · In order to detailed study on the pyrolytic behaviors of coal pitch, four kinds of coal pitches named as medium coal tar pitch (MP, a kind of high-temperature coal pitch), medium-low temperature coal pitch (MLP), coal direct liquefaction pitch (CLP), and coal pyrolytic extraction (CPE) were used as raw materials, and FTIR, TG/DTG-FTIR combined Feb 10, 2009 · Coal-Tar Pitch Roofing In the processing of coal to make coke for steel making, volatile compounds are collected from the coking ovens, condensed, and separated, and become the base of hundreds of raw materials, including dyes, plastics, and a byproduct called coal-tar pitch. 11% during the forecast period (2025-2030). of coal for the production of coke (Ref. 1016/j. Because of the different properties of asphalt and coal tar pitch, roofers were careful not to mix the two materials on the same project. COVID-19 highly impacted the coal tar pitch market due to a slowdown in vehicle production. 268(85) - Appendix 1 – Individual Schedules of Solid Bulk Cargoes - COAL TAR PITCH Jan 1, 2001 · In this work, we present the characterisation results of four coal tar pitches used in our laboratory to prepare carbon fibres [5], [21]. However, the synthesis of nitrogen doping and graphitized CDs Jul 1, 2015 · These by-product ovens produced coal tar as one of the major by-products. [Google Scholar] 17. Mar 15, 2025 · Composition and structure of spinnable pitch determines the resultant carbon fiber performance. Other animal data: The major health effects resulting from long-term repeated exposure to coal tar pitch volatiles (CTPV) are cancer of the lung, kidney, and skin [Redmond et al. 6 days ago · North American Coal Tar Pitch Market. Fuel. Mar 1, 2025 · Coal tar pitch is the residue obtained from processing coal tar after the removal of its liquid fractions [18]. Statutory Documents - IMO Publications and Documents - International Codes - IMSBC Code – International Maritime Solid Bulk Cargoes Code – Resolution MSC. was calculated by difference), time-of-flight mass spectrometry (TOF-MS), and nuclear magnetic resonance hydrogen spectrum analysis (H 1-NMR). 12. Workers in casting, wharf, power operations, and administration departments have minimal exposure. gov Acridine, Anthracene, Benzo(a)pyrene, Chrysene, Coal tar, Phenanthrene, pyrene [Note: NIOSH considers coal tar, coal tar pitch, and creosote to be coal tar products. The effect of binder (coal tar and pitch) on coking pressure. Sep 1, 2021 · However, coal tar pitch-based carbon fiber can be suitable option because of its low raw material cost. As the flow scheme Please wait while your request is being verified Apr 15, 2021 · Generally speaking, the coal tar pitch derived carbon materials are graphitizable. Coal tar pitch is a black, viscous residue obtained from the distillation of coal tar, a waste product from the coke-making process used in steel Jongeneelen, F. May 27, 2022 · What’s Coal Tar Pitch Roofing, and Why is it Used? Coal tar pitch has been used in roofing as early as the 1700s because of its superior waterproofing properties. Coal tar pitch volatiles (CTPVs) are found in the industry when heating of coal tar or coal tar pitch takes place. The volatile component is not shown separately because it What is Coal Tar Pitch? Coal tar pitch (CTP) is commonly used in the aluminum smelting and roofing industries. No more recent occupa-tional exposure surveys were found. 11, 12 Another strategy to Dec 26, 2018 · Coal tar pitch is currently produced from coal tar, which is a byproduct of high temperature coking of coal in the manufacture of metallurgical coke. Int Arch Occup Environ Health. 9% during the forecast period from 2025 to 2033. fuel. Mar 1, 2019 · Coal tar is a byproduct of the coking, liquefaction or gasification of coal. Coal Tar Pitch: Coal tar is a byproduct of coke production, which is used in a heating process to eliminate lighter fractions. The differences in the average molecular structure of CTP and HCTP were investigated by the results of elemental analysis (EA, O diff. Laser annealing and molecular dynamics simulations can guide the thermal upgrading of these materials, and machine learning methods can potentially enable May 5, 2025 · In this study, the hydrogenated coal tar pitch (HCTP) was prepared using THN solvent hydrogenation. 3. Jan 19, 2025 · The global coal tar pitch market is further expected to grow at a CAGR of 4. CTPVs are regulated by OSHA's air contaminants standard for general industry, maritime, and construction. 33 million in 2024 and is expected to reach USD 4,908. Mar 1, 2019 · Coal tar is a byproduct of the coking, liquefaction, or gasification of coal. Since that time, coal tar pitch has become the binder of choice for the aluminum, commercial carbon, and graphite industries. 1 Coal tar pitch. Coal tar pitch volatiles are compounds given off from coal tar pitch when it is heated. Once the pitch is heated, chemicals vaporize and may be inhaled by workers. Coal tar pitch exposure leads to an increased risk of developing skin, lung, bladder, kidney and digestive-tract cancer as well Coal-tar pitch and associated exposures were considered by previous IARC Working Groups in 1984, 1987, and 2005 (IARC, 1985, 1987, 2010). Its most updated state-of-the-art manufacturing process, along with the adopted quality assurance practices, has made it the most reliable source of binder in the manufacture of aluminum anode and graphite electrode. ] Jan 1, 1978 · Coal tar pitch is a very complex material which is estimated to contain about 5000 chemicals. The influence of addition of coal tar pitch (CTP) and expired pharmaceuticals (EP) on properties and composition of pyrolysis products for lower and higher rank coals. Coal tar is obtained by the distillation of bituminous coal (Ref. 3). ] Black or dark-brown amorphous residue. These “low-temperature pitches” are expected to contain more reactive structures than those from a coke oven which are exposed to high temperatures in the coking process. Although the treatments applied to transform them into spinnable pitches were similar [5], significant differences in the porosity of the carbon fibres were found depending on the origin of the pitch, suggesting that the carbonisation of the pitch fibres up Aug 1, 2023 · Coal tar pitch (CTP) is a bottom product of HTCT distillation, black solid at room temperature and produced in yields that are greater than half of the processed coal tar (Zander, 1995). An industry developed around distillation of coal tar to produce various products. Sep 1, 2023 · Hydrogenation of the coal tar pitch was carried out in a 5 L autoclave under self-pressure atmosphere by adjusting THN content in the mixture of THN and CTP from 0% to 30%. Coal tar pitch is produced from coal tar by a distillation process. 2 GPa, because WO Coal, tar, pitch, and beyond Xining Zang,1 ,2 3 * Yuan Dong,4 5 Cuiying Jian,6 Nicola Ferralis, 7and Jeffrey C. (Ref. It is rich in thick cyclic aromatic compounds, possesses high carbon content and low ash content, and transforms into liquid pitch when temperatures exceed its softening point. , 2016). Coal Tar Pitch prices are provided as an annual subscription where subscribers have access to reliable pricing data of . Figure 3 shows the flow scheme from coal coking to coal tar pitch production. The progressive scarcity of coal-tar pitch is noted. March 2002. : Biological exposure limit for occupational exposure to coal tar pitch volatiles at cokeovens. 2016;170:197–209. Coal Tar Pitch. 23 million by 2033, with a projected compound annual growth rate (CAGR) of 3. CTP is a complex mixture composed of PAHs and their derivatives (Zhou et al. Both poor utilization and mishandling may result in serious environmental and health issues, since PAH massively present in CTP are carcinogenic and mutagenic [3]. Pitch produced from petroleum may be called bitumen or asphalt , while plant-derived pitch, a resin , is known as rosin in its solid form. 8 ± 3. Sep 2, 2024 · The Coal Tar Pitch market is projected to grow from USD 5071 million in 2024 to an estimated USD 8143. ; Pitch [The residue from the distillation of high temperature coal tar. will be discussed. 4-1 through 4-3. Upgrading HCMs for a May 19, 2025 · Coal Tar Pitch Market Size. In that sense, coal tar pitch is Coal tar pitch volatiles (CTPVs) are measured by passing workplace air through a sampling device and then analyzing the sample for the compounds of interest. 29 Billion by 2034. We match, monitor and control all the necessary Physical and Chemical Properties that are important for the performance of Pitch. In North America and Europe the majority of the anode Pitch is a viscoelastic polymer which can be natural or manufactured, derived from petroleum, coal tar, [1] or plants. 6 million by 2032, with a CAGR of 6. , 2018). The controlled THN contents is helpful to reduce the yield loss of coal tar pitch after hydrogenation and the hydrogenating cost. Distillation of pitches derived from coke oven tar under vacuum, or with steam, or under coking conditions gives a distillate which has been intensively studied by fractionation and further separation by chromatography by German workers. zpe nzry fivfm mdtckj rxoda xgsrv qjkfw sbwxd zwevj zauecrbu