coal tar pitch process flow diagram

PDF Chemical Plant Design for the Production of Ammonia

Figure 8 Simulated Process Flow Diagram for the Ammonia Production Isometric View Figure 9 Simulated Process Flow Diagra m with labels for the Ammonia Production 34 The economic analysis of...

Draft background document for Coal tar pitch high

Draft background document for Coal tar pitch high temperature Figure 1 below shows a mass flow diagram of the uses of CTPHT It is taken from the 2009 for structural purposes in high temperature environments encountered in the process industri They provide linings for high-temperature furnaces and other processing units and...

Coal Tar Distillates Koppers

Distillates are made up of crude coke oven tar components which are produced during the high temperature coking of bituminous coal Carbon pitch boils between 100 176 C and 400 176 C during the distillation process Refined chemical oil distills between 210 176 C and 315 176 C...

Noah s pitch process

A process for producing pitch from pitch precursors such as wood tar coal tar or petroleum fractions is disclosed Direct contact heat exchange of the pitch precursor with molten metal preferably maintained as a metal continuous bath heats the pitch precursor to a temperature sufficient to induce thermal polymerization reactions and produce a pitch product...

PRODUCTION OF CARBON PRODUCTS USING A COAL EXTRACTION PROCESS

In a process for reacting a feedstock comprising an ash-containing solid carbonaceous fuel selected from the group consisting of anthracite coal bituminous coal sub-bituminous coal lignite particulate carbon coke from coal petroleum coke oil shale tar sands asphalt pitch and mixtures thereof with a free-oxygen containing gas in a...

Production of Mesophase Pitch from Coal Tar and Petroleum

pitch initially involves the removal of low molecular weight species from coal tar and petroleum pitch The remaining residue is then transformed into a mesophase pitch through a polymerisation process The aim of this study involves the extraction of light molecular weight species using SFE Both petroleum and coal tar pitch contain complex...

4 CHEMICAL AND PHYSICAL INFORMATION

The chemical synonyms and identification numbers for wood creosote coal tar creosote and coal tar are listed in Tables 4-1 through 4-3 Coal tar pitch is similar in composition to coal tar creosote and is not presented separately Coal tar pitch volatiles are compounds given off from coal tar pitch...

COAL TAR PITCH VOLATILES 5023

SPECIAL PRECAUTIONS Benzene and coal tar pitch volatiles are suspect carcinogens 1 2 3 4 SAMPLING 1 Calibrate each personal sampling pump with a representative sampler in line 2 Sample at an accurately known flow rate between 1 and 4 L/min for a total sample volume of 500 to 2400 L Do not exceed a filter loading of ca 2 mg total...

About Coal Tar and Polycyclic Aromatic Hydrocarbons PAHs

This paper describes the coke making process and the various by products of that process including Crude Coal Tar How is Crude Coal Tar Derived Product Flow Diagram for Crude Coal Tar This diagram shows the various products which are derived from Crude Coal Tar including Refined Tar for Pavement Sealer...

COAL TAR PITCH

Since pitch constituents over 50 of crude tar its utilization has a major effect on the economics of tar processing Coal tar pitch is binder for carbon electrodes base for paints and coating Pitch is a valuable binder for briquetting and in making electrod Process Flow Sheet Diagram...

The Production of Gas from Coal and the Manufacture of By

Coal tar pitch in loaded with meter and sal Coal storage and transfer to street retort Cook With Gas gas making process from the mining of the coal to the distribution of the gas to consumers Efforts have been made to comment on the various uses of the by-products and to include plant not available in 1945 pitch bed 1945 The...

US4436615A

A process for removing solids from coal tar for the preparation of a coal tar pitch containing liquid comprising 1 centrifuging the coal tar at a suitable viscosity to separate a large particle size solids fraction from a first liquid fraction containing pitch and small particle size solids and 2 filtering the large particle size fraction while maintaining the solids fraction at a...

Modeling of Oxidation Process of Coal Tar Pitch in

In this paper a three-dimensional numerical model has been developed to study the process of oxidative weight increment of coal tar pitch in a rotating kiln Based on the two-fluid method the gas phase is modeled by realizable k - ε turbulent model and the solid phase is modeled by kinetic theory of granular flow The dense gas-solid flow heat transfer and oxidation reaction for the bed...

flow diagram for coal tar plant

coal tar pitch process flow diagram 183 flow diagram of coal formation Posted at J Coal gt Coal Tar gt Coal Tar Pitch Process Flow diagram Coal Tar is to steel process flow Live Chat Coal preparation plant Wikipedia A coal preparation plant A grab sample is a one off sample of the coal at a point in the process stream Measurement of flow...

Coal Tar Dissolution in Water

Coal Tar Dissolution in Water-Miscible Solvents Experimental Evaluation Catherine A Peters and Richard G Luthy Department of Civil Engineering Carnegie Mellon University Pittsburgh Pennsylvania 15213 Coal tar a dense nonaqueous phase liquid NAPL is a common subsurface contaminant at sites of former man- ufactured gas plants...

Pitch coal tar high

Pitch coal tar high-temp Pitch The residue from the distillation of high temperature coal tar A black solid with an approximate softening point from 30 176 C to 180 176 C 86 176 F to 356 176 F Composed primarily of a complex mixture of three or more membered condensed ring aromatic hydrocarbons The residue from the distillation of high...

EP0276711A1

The invention relates to a new pitch material made of coal tar pitch a process for its production and uses of the pitch material It has the following parameters a a content of mesophase...

Final Form 1 with ToR 180315

Process and operating steps of the plant starting from receipt of raw materials to dispatch of products are briefly described below Process flow is shown diagrammatically in Fig below Figure 1 Flow diagram of Coal Tar Distillation 2 Coal Tar Pitch Production...

Project Report on Coal Tar Pitch

Coal Tar Pitch Manufacturing Process Crude Coal Tar received from by-product coke oven plants is heated to temperatures up to 400oC in specially designed distillation stills This removes moisture Naphthalene Light Creosote Oil and Heavy Creosote Oil from the Coal Tar The resultant product is called Coal Tar Pitch...

Chemical and physical modification of petroleum coal

Treatment by air-blowing was pursued as a process to modify the properties of Basic flow diagram of a modern petroleum refinery 17 6 Figure 12 Tar and gas recovery in a byproduct coke facility Dependency of TI Yields from coal-tar pitch on gas flow rate in air and nitrogen with different initial pitch...

Safety Data Sheet

Coal tar distillate 65996-92-1 Medium urine Time end of shift at end of workweek Parameter 1-Hydroxypyrene with hydrolysis nonquantitative related to Pitch coal tar high-temperature Naphthalene 91-20-3 Time end of shift Parameter 1-Naphthol with hydrolysis plus 2-Naphthol with hydrolysis nonquantitative nonspecific...

122 Coke Production

Figure 122-1 illustrates the major process equipment in a schematic diagram of a byproduct coke oven battery Flow diagrams are provided in Figures 122-2 and -3 to give an overview of the process from coal preparation to byproduct recovery These operations will be discussed in greater detail for the...

BUR Materials

Asphalts applied over pitches will soften and flow off leaving the hardened pitch exposed to rapid weathering Coal tar pitch will harden and crack Poor adhesion may result in membrane slippage and poor wind uplift resistance It is extremely rare to have coal tar pitch specified on new roofing projects in British Columbia...

PDF Methods for the preparation of coal

The production of tar pitches and binding agents for the manufacture of high-quality carbon materials is considered The progressive scarcity of coal-tar pitch is noted...

How is Crude Coal Tar Derived 1

How is Crude Coal Tar Derived Author Mark Morris-Coopers Creek Chemical Corporation November 2005 INTRODUCTION 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...

Coal Tar Pitch Distillation

Coal tar is among the byproducts when coal is carbonized to make coke or gasified to make coal gas Coal tars are complex and variable mixtures of phenols polycyclic aromatic hydro carbons and metro cyclic compounds about 200 substances in all Coal tar...

PRODUCTION OF FOAMS FIBERS AND PITCHES USING A

products Coal tar pitch is produced from condensing the hydrocarbons that are released during the coking process However mainly because of environmental concerns from coking American industry is decommissioning coke plants and thus is the supply of coal tar pitch has declined over the past ten years Accordingly increasing amounts of coal...

Flow Measurement of Hot Pitch during Coal Tar Distillation

Flow Measurement of Hot Pitch during Coal Tar Distillation In one of the world s largest coal tar refineries the delivered raw material is distilled to obtain technical oils and aromatics which serve as valuable basic materials for the dye and pharmaceutical industri...

Sampling and Analytical Methods Coal Tar Pitch Volatiles

In this evaluation three different types of coal tar pitch were chosen at random from a collection of several confired coal tar pitch materials Twenty grams of each pitch were placed in beakers containing 100 mL of benzene and sonicated for 15 h The solutions were then combined and filtered twice with a fine fritted-glass filter funnel...

Flow diagram of coal to coal

Flow diagram of coal to coal-tar-pitch process Public domain Thumbnail Medium Original Detailed Description Coal tar is a byproduct of the coking liquefaction or gasification of coal Coal-tar pitch is the residue that remains after the distillation of coal tar Coal tar and coal-tar pitch are used in coal-tar-based sealcoat products...

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