Crushing & Grinding Machines

Chemicals from Coal Coking

The by-products of the coal coking process including the coke oven gas and tar represent about 20-25 wt of the parent coal The coke oven gas mainly permanent gas which accounts for 15-20 wt of the coking process is stored in gas containers and used as fuel to heat the coke ovens and other facilities in an integrated steel installation...

Chemicals from Coking Metallurgical Coal Kentucky

Sep 24 2019 0183 32 Most of the chemicals derived from coal come from by-products produced during the coking process Coal is used to make coke to make steel Coke gas also called foul gas contains coke tars ammonia and light oils Tars are recovered and used to make tar derivativ Ammonia is recovered as an aqueous solution or as an ammonium sulfate salt...

Recovery of Ammonia during Production of Coke from Coking Coal

Jan 26 2019 0183 32 Recovery of Ammonia during Production of Coke from Coking Coal Ammonia NH3 is a by-product produced during the production of coke from coking coal in the by-product coke ovens It is a constituent of the coke oven gas COG leaving the coke ovens with a typical concentration in raw COG of 6 grams per normal cubic meters g/N cum...

Destructive Distillation

14 Tar and Pitch Tar and pitch are viscous dark-brown to black substances obtained by the destructive distillation of coal wood petroleum peat and certain other organic materials The heating or partial burning of wood to make charcoal yields tar as a byproduct and is an ancient method for the production of both tar and pitch...

Coal tar distillation

Features Coal tar is a by-product generated while processing coking coal into low ash metallurgical coke in a recovery-type coke oven plant Coal tar accounts for around 35-4 of coke produced Coal tar pitch is a complex chemical with 22 chemical and physical properties obtained through coal tar distillation which involves the conversion of coal tar into a variety of intermediate chemical...

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...

Coal Tar Pitch

Coal tar pitch derived from by-product coke ovens is the preferred material for use as a binder in the manufacture of carbon and graphite electrod Coal tar pitch is a coal conversion product Its IUPAC name is Coal Tar Pitch High temperature Its CAS number is 65996-32...

How is Crude Coal Tar Derived 1

The modern by-product coke oven recovers volatile chemicals in the form of coke oven gas tars and oils Hence this process is called by-product coke making Figure 1 Coke Side of a By-Product Coke Oven Battery The oven has just been pushed and railroad car is full of incandescent coke that will now be taken to the quench station...

Petroleum Coal Tar and Related Products

Apr 16 2001 0183 32 Wiley Online Library will have be unavailable on Saturday 5th December from 10 00-14 00 GMT / 05 00-09 00 EST / 18 00-22 00 SGT for essential maintenance...

coal tar distillation plant project cost worldcrushers

Distillation Coal Tar Pitch From Coke Oven Gases Units Robo Sand Project Report Pdf in Bangalore coke oven plant Coal tar accounts for around 35-4 of coke...

METHOD 58 Issue July 1986 TITLE Coal Tar Pitch

Coke oven emissions COE are the benzene-soluble fraction BSF of total particulate matter present during the destructive distillation or carbonization of coal for the production of coke Ref 52 Coal tar is obtained by the distillation of bituminous coal Ref 53 Coal tar pitch is composed almost entirely of polynuclear aromatic...

Epsilon Carbon commissions Carbon Black Unit in Karnataka

The carbon black unit will provide gas and steam to the coal tar distillation unit The integrated carbon complex is the first of its kind manufacturing facility in India to use waste coke oven gas from the steel plant as a fuel the tail-gas from the Carbon black unit is fed back to the steel complex for pre-heating operations This plant uses...

AP 42 122 Coke Production

in seri This unpurified foul gas contains water vapor tar light oils solid particulate of coal dust heavy hydrocarbons and complex carbon compounds The condensable materials are removed from the exhaust gas to obtain purified coke oven gas As it leaves the coke chamber coke oven coal gas is initially cleaned with a weak ammonia spray...

Recycling of Waste Mill Oil through Non

3 Coal tar pitch is the main fraction of pri-mary distillation of coal tar recovered from the carboniza-tion of the coal It contains approximately 93 of carbon mostly in the form of condensed aromatic compound It is reported that with 05 addition of coal tar pitch in the blend the Coke Strength after Reaction CSR of coke is...

Vacuum Distillation Of Crude Coal Tar specifically

For vacuum distillation of crude coal tar specifically creosote oil the crude coal tar is produced from coke ovens of steel plant 50 of this crude coal tar in pitch Coal tar is essentially the thick black viscous liquid which is obtained by the carbonization of coal and is a by product in the ordinary manufacture of coal gas...

122 Coke Production

122 Coke Production 1221 General Metallurgical coke is produced by destructive distillation of coal in coke ovens Prepared coal is coked or heated in an oxygen-free atmosphere until all volatile components in the coal evaporate...

OCCUPATIONAL EXPOSURES DURING COAL

Coal-tar distillation products comprise essen - tially the distillate primarily a complex mixture of mono- and polycyclic aromatic hydrocarbons and the residue from the distillation pitch Betts 1997 The part of coke-oven tar that is normally distillable at atmospheric pressure boils at up to 400 176 C and contains principally aromatic...

Coal Tar Pitch Prices Historical Forecast Intratec

oil-gas-derivatives coal-tar-pitch 1 9 522 Coal Tar Pitch is a black and viscous liquid that is obtained during the distillation of coal after all distillates are removed There are many different chemicals in coal tar pitch but the two largest classes are phenols and polycyclic aromatic hydrocarbons...

PRODUCTION OF CARBON PRODUCTS USING A COAL EXTRACTION

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...

COAL TAR PITCH HIGH TEMPERATURE

Coal tar pitch high temperature CTP ht is the solid fraction produced during the distillation of coal tars Coal tars are condensation products obtained during the production of coke an/or natural gas through the destructive distillation of coal called carbonisation or coking The composition and properties of a coal tar and coal tar pitch...

DESTRUCTIVE DISTILLATION OF CARBONAGEOUS

Coke oven An airless oven for driving of volatile constituents from coal during carbonisation to produce coke In by-product coke ovens the gaseous and liquid by-products obtained during the carbonisation process are recovered the principal by-products are coal tar and coke-oven gas The coke oven gas is used to heat the ovens by...

CN102229806B

The invention provides a green circular economy technology with coal coking as the main part The technical scheme of the technology is as follows a coal coking part a coal tar processing part a carbon black part and a part of combined power and thermoelectricity generation by coke oven gas are organically combined to form the relationship of industrial metabolism symbiosis and coupling...