Calorific Value of Coke 1 Predictionlink springer
Abstract There is great scope for energy conservation in iron production It is shown that blast furnaces and coke plants are the greatest consumers of energy and carbon in the steel industry There are not even any optional guidelines for the calorific value of blast furnace coke produced in Ukraine or elsewhere Existing formulas for the calorific value of liquid and solid fuels do not
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Lower and Higher Heating Values of Fuels Hydrogen Tools
You can use this calculator to obtain the heating value of a given mass or volume of hydrogen or other fuels or to calculate the mass or volume given a certain heating value Choose whether you want to convert to heating value or to mass/volume and then choose the fuel type
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CLARIFYING THE USES OF HEATING VALUES
gross heating value GHV and net calorific value or net heating value NCV or NHV in the context of biomass fuels Keywords Heating values calorific values biomass 1 INTRODUCTION Heating value of fuel is defined as the energy released per unit mass of fuel in a
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COKE OVEN GAS
The gas has a heating value of about 20 000 kJ/m 3 Typically coke oven gas is obtained from a battery comprising a number of narrow vertical chambers or ovens 0 5m wide 5m high and 12m long built of silica brick that are separated by heating ducts such that heat is transmitted to the coal through both sides of the chamber walls
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GlossaryU S Energy Information Administration EIA
Coke from coal is grey hard and porous and has a heating value of 24 8 million Btu per ton Coke petroleum A residue high in carbon content and low in hydrogen that is the final product of thermal decomposition in the condensation process in cracking This product is reported as marketable coke or catalyst coke
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Coke Plant Technologies The value of engineering for
Coke Plant Technologies The value of engineering for reduction of CAPEX and OPEX as well as for optimizing the performance of coking plants Average heating flue temperature 1 250 °C Optimized designconcept requires 120 ovens Average heating flue temperature 1 290 °C
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Lower and Higher Heating Values of Fuels Hydrogen Tools
Notes The lower heating value also known as net calorific value of a fuel is defined as the amount of heat released by combusting a specified quantity initially at 25°C and returning the temperature of the combustion products to 150°C which assumes the latent heat of vaporization of water in the reaction products is not recovered
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Petroleum Cokean overview ScienceDirect Topics
Fuel grade coke is high in heat content typically >14 000 Btu/lb and low in ash content typically <1 by weight ash as compared to coals 32 The high sulfur concentrations and for many petroleum cokes high vanadium and nickel concentrations are the less desirable characteristics of this boiler fuel
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Heating Value of Natural Gas for other hydrocarbons
Heating value is a quantitative measure of heat content of a natural gas It is experimentally measured using an apparatus called a bomb calorimeter In such an experiment a stoichiometric mixture of the gas and oxygen is filled in the bomb calorimeter and then allowed to go through complete combustion The container is then cooled down to
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Metallurgical Coke Testing AnalysisMSK
Coke from coal is grey hard and porous and has a heating value of approx 7050kcal/kg and above Some coke making processes produce valuable by products
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Higher Calorific Values for some common fuels a coke oil
Higher Calorific Values for some common fuels a coke oil wood hydrogen and many more The calorific value or heat of combustion or heating value of a sample of fuel is defined as the amount of heat evolved when a unit weight or volume in the case of a sample of gaseous fuels of the fuel is completely burnt and the products of combustion
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HEATING VALUE OF NON RECYCLED WASTE PLASTICS
weighted average lower heating value of NRP is 35 7 MJ/kg This is significant because it means that NRP has a higher energy value than several conventional fuel sources routinely used in the U S and globally NRP has an energy value that is 19 higher than petroleum coke 37 higher than U S coal and 87 higher than wood 1
Get PriceCoal and Coke Analysis911 Metallurgist
Then if the button from the coal weigh 30 2 gms the heating value of the coal is 239 x 30 2 = 7217 8 calories per kilo 1000 gms In this manner the heating value of coals relative to that of pure carbon is approximately ascertained Note This is really a determination of the reducing power of the coal not the heating power
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SNAP CODES 010406 SOURCE ACTIVITY TITLE SOLID
the Claus process at some coke plants before being used as fuel The coke oven gas has a rather high heating value in the order of 20 kJ/m 3 STP Typically 35 to 40 of the gas is returned to fuel the coke oven combustion system and the remainder is used for other plant heating needs US EPA 1985b van Osdell et al 1979
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Heats Of Combustion CorrelationsCheresources
Can you obtain the heating value of petroleum coke solid fuel based just based on the ultimate analysis of the petroleum coke in terms of weight percent of Carbon Hydrogen Sulfur and Ash present in it Well the answer to the above is yes Certain empirical correlations are available to obtain the HHV LHV based on specific gravity for fuel
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The weight percent of the ⅜ coke equals the CSR Most blast furnaces will require a coke with a CSR greater than 60 and CRI less than 25 SGS is committed to providing accurate cost effective blast furnace coke analysis for your operation SGS is the world leader in coal and coke
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Formulas for calculating the heating value of coal and
article osti title = Formulas for calculating the heating value of coal and coal char development tests and uses author = Mason D M and Gandhi K abstractNote = A new five term formula for calculating the heating value of coal from its carbon hydrogen sulfur and ash content was obtained by regression analysis of data on 775 samples of US coals of all ranks
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Coal and Coke Analysis911 Metallurgist
Then if the button from the coal weigh 30 2 gms the heating value of the coal is 239 x 30 2 = 7217 8 calories per kilo 1000 gms In this manner the heating value of coals relative to that of pure carbon is approximately ascertained Note This is really a determination of the reducing power of the coal not the heating power
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IOP Conference Series Materials Science and Engineering
Coke is a porous carbonaceous material that naturally has higher heating value than coal There are two main types of coke which are the petroleum coke and the metallurgical coke Petroleum coke or pet coke is a by product of petroleum refining industry It is usually used in power generation but it releases higher SO 2
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12 2 Coke ProductionUS EPA
The primary purpose of modern coke ovens is the production of quality coke for the iron and steel industry The recovery of coal chemicals is an economical necessity as they equal approximately 35 percent of the value of the coal To produce quality metallurgical coke a high temperature carbonization process is used
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Coke oven gas Availability properties purification and
After the subsequent removal of heavy HCs COG with a heating value of approximately 18 6 MJ/m 3 can be effectively combusted in small combustion units such as process heaters and boilers COG combustion results in the generation of very low levels of hazardous air pollutants similar to those generated by the natural gas combusting unit
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Calorific Value of Coke 4 Size Distribution SpringerLink
The gross calorific value of blast furnace coke varies significantly between size classes It is greatest in the <25 mm size class 33 0 MJ/kg or more 2 The degree of conditioning of the coke assessed in terms of the yield of volatiles and its actual density
Get PriceMetallurgical Coal and Coke TestingSGS
Heating is performed in a furnace with a temperature rise of 3°C minute Between 350 and 650°C the upper and lower levels of the plastic layer are measured at regular intervals using value is the maximum difference between the upper and lower plastic layer levels expressed in mm Y values will typically range from 5 35mm The X value equals
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What is the Best Coal for Coke Making
A coke that degrades excessively in size presents relatively large surfaces for reduction of carbon dioxide to carbon monoxide involving loss of heating value to the process Herein may lie the crux of the matterthe logical reason for using large strong coke
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ExplorePAHistory
With its higher proportion of combustible carbon coke generates more heating power per ton than coal does Coke is also strong enough to bear the weight of iron ore when both are loaded into an iron furnace British iron masters first made and used coke as early as 1735 In the United States the first use of coke in an iron furnace occurred
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heating coke heating coke Suppliers and Manufacturers at
heating coke at Alibaba to get a reliable heat and energy source at low costs Stock up and keep a large supply handy to power a boiler or furnace for a long time Certain types of heating coke are useful to have when forging and smelting metals like iron ore Try using them as a cleaner and safer alternative to standard coal
Get PriceMetallurgical cokeCargo Handbookthe world s largest
Coke from coal is grey hard and porous and has a heating value of 24 8 million Btu/ton 29 6 MJ/kg Some coke making processes produce valuable by products that include Coal Tar ammonia light oils and coal gas
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Coke Slurries with Improved Higher Heating Value and
Coke Slurries with Improved Higher Heating Value and Good Processability via Particle Shape Design Coke water slurries can be used as biogenic intermediates in conversion of residu al biomass into high value fuels such as liquefied petroleum gas or synthetic natu ral gas The effect of particle size and shape on the flow behavior of slurries
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Coal Marketing International
Coal is hard and brittle and black and shiny moisture content is 2040 calorific value 4 000 kcal/kg to 5 800 kcal/kg Bituminous Coal is softer and shiny moisture content is 8 20 calorific value is 5 800 to 8 000 kcal/kg crucible swelling number from 29 possible for coking coals volatile matter from 16
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Gross Calorific Value in Metallurgical Coke
Gross Calorific Value in Metallurgical Coke Introduction Metallurgical coke is a porous high carbon material produced from a carbonization process of coals with specific rank Metallurgical coke is primarily used in the process of iron production within a blast furnace where it serves several functions including a fuel function heat source
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Standard Grade CoalHeat Value
Heating Value Btu/lb kJ/kg Anthracite 12910 30080 Semi Anthracite 13770 32084 Low volatile bituminous 14340 33412 Medium volatile bituminous 13840 32247 High volatile bituminous A 13090 30499 High volatile bituminous B 12130 28262 High volatile bituminous C 10750 25047 Sub bituminous B 9150 21319 Sub bituminous C 8940 20830 Lignite 6900 16077
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