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Chemical looping combustion of coke oven gas by …

Chemical looping combustion (CLC) is a new combustion technology that is clean and highly efficienct. The reactivity of four potential oxygen carrier particles composed of Fe 2 O 3 / CuO and MgAl 2 O 4 have been investigated using thermogravimetric analysis (TGA) and a laboratory pressurized circulating fluidized bed system.According to the research, the following findings can be made: first

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Optimal Combustion Process - Fuels and Excess Air

2020-6-26 · Combustion - Boiler house topics - fuels like oil, gas, coal, wood - chimneys, safety valves, tanks - combustion efficiency Related Documents Air Supply to Boiler House - Incomplete boiler combustion may generate carbon monoxide - CO - and re-ignition may cause disastrous effects on both personnel and property

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Fuels and Combustion Questions and Answers - …

H 2 content in the coke oven gas is more. calorific value of the coke oven gas is lower. Answer : 3. Question 11 : Fuel gases containing hydrocarbons (ie.g. coke oven gas) are not preheated before burning, mainly because. the hydrocarbons crack thereby choking and fouling the …

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COKE-OVEN GAS - Thermopedia

Coke-oven gas is a fuel gas having a medium calorific value that is produced during the manufacture of metallurgical coke by heating bituminous coal to temperatures of 900°C to 1000°C in a chamber from which air is excluded. The main constituents are, by volume, about 50% hydrogen, 30% methane and 3% higher hydrocarbons, 7% carbon monoxide, 3

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Fugitive Coke Oven Gas Emission Profile by Continuous …

2018-11-10 · Approximately 9500–11,500 ft3 of coke oven gas is released1,2 from a ton of coal during the coke-making process. Coke oven gases (COGs) are emitted during the coke-making process through handling, charging, oven leaks, pushing, quenching, combustion, and foul gas-pu-rifying steps (Figure 1). The major air pollutants produced IMPLICATIONS

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Carbon Recycling for Converting Coke Oven Gas to …

2016-10-6 · The H2 lean but hydrocarbon enriched gas of the PSA is sufficient to fuel a small power plant and the coke oven battery, as well as supply the electricity and heat for post combustion capture and methanol plant. A coke plant with an annual production of 1.14 Mt of coke is sufficient for an annual additional methanol production of 100 kt.

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US5968320A - Non-recovery coke oven gas …

A system for transporting and burning under negative pressure in a boiler a raw coke oven gas to produce steam energy. The system has the usual battery of coke ovens and corresponding ascension pipes connected to a collector main. Flushing liquor is sprayed into the hot coke oven gases to effect cooling in the collector main. A transport main delivers the cooled raw coke oven gases and

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Fugitive Coke Oven Gas Emission Profile by Continuous …

2018-11-10 · Approximately 9500–11,500 ft3 of coke oven gas is released1,2 from a ton of coal during the coke-making process. Coke oven gases (COGs) are emitted during the coke-making process through handling, charging, oven leaks, pushing, quenching, combustion, and foul gas-pu-rifying steps (Figure 1). The major air pollutants produced IMPLICATIONS

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Use of Coke Oven Gas in DRI Plant - metalbulletin.com

After commissioning of Coke oven battery (1 MTPA) surplus Coke oven gas availability was anticipated. Coke oven gas is having useful components like H2, CO & Methane with small amount of impurities like Benzene, H2S, Tar,CnHm etc. Other Plants in Dolvi complex does not have margin to utilize available coke oven gas and hence bound to be vented.

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Use of Coke Oven Gas in DRI Plant - metalbulletin.com

After commissioning of Coke oven battery (1 MTPA) surplus Coke oven gas availability was anticipated. Coke oven gas is having useful components like H2, CO & Methane with small amount of impurities like Benzene, H2S, Tar,CnHm etc. Other Plants in Dolvi complex does not have margin to utilize available coke oven gas and hence bound to be vented.

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Potentials for Utilization of Coke Oven Gas in Integrated Iron

2011-3-23 · Completely cooled coke oven gas (Fig. 7). Option 5 relates to use of coke oven gas and tar in the blast furnace as auxiliary reducing agent injected through the tuyères. As in the case the coke oven gas needs to be compressed, it is necessary to remove

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Bulletin 7349A North American Pressure-reducing Gas …

2016-9-26 · Gas (typical) Coke oven Natural Air Propane Butane Gas Gravity 0.4 0.6 1.0 1.5 2.0 Factor 1.22 1.00 0.774 0.632 0.547 Sizing Example: Select a regulator for 39,000 scfh of Coke Oven Gas with 50 osi inlet pressure and an outlet pressure of 18 osi. Solution: Correct 39,000 scfh of coke oven gas to the natural gas equivalent by dividing 39,000

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Analysis on Operation Conditions of Hydrogen Production

For hydrogen production from coke oven gas with CO2 adsorption enhanced process, the parameter range of hydrogen production reactor, such as temperature, pressure, water-to-carbon ratio, calcium-to-carbon ratio and so on are determined according to the

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Numerical Simulation on Influence of Coke Oven Gas

Ignition was realized by hot coke oven gas combustion flue gas with velocity of 4.0 m/s and temperature of 1400 K from the ignition burner, and the duration of ignition is 90 s. Then air was sucked into the sintering bed layer with the average velocity of 0.43 m/s. The gas inlet and outlet flow rates are determined by the negative pressure

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Coke Oven Gas Generation and Usage – IspatGuru

Saturated raw gas coming from the coke oven battery contains around 46 % to 48 % water vapour. Other component of raw gas contains hydrogen (H2), methane (CH4), nitrogen (N2), carbon monoxide (CO), carbon dioxide (CO2), high paraffins and unsaturated hydro-carbons (ethane, propane etc.), and oxygen (O2) etc. Raw coke oven gas also contains various contaminants, which give coke oven gas its

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Issue 2, Volume 1, 2007 79 Manuscript received May 25

2008-3-14 · Key-Words-NO formation, SO2 yield Coke-oven gas and blast-furnace gas combustion, Low temperature corrosion. I. INTRODUCTION Coal is the main energy sources in the iron and steel industry. Some of the coal energy is converted to coke oven gas during the production of coke and to blast-furnace gas when the iron ore is reduced with coke to

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Coke Oven Gas - SAACKE - PDF Catalogs …

The following examples impressively show how combustion of different alternative fuels can be optimally combined with intelligent EMSR technology and equipment for maximum energy efficiency: Coke oven gas firing system at a steel plant in Germany This system is run with six SAACKE TEMINOX GS Low-NOx gas burners on three 30 t/h steam double flame tube boilers.

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- Shanghai University - Department of Chemistry

Hongwei Cheng, Baohua Yue, Xueguang Wang, Xionggang Lu, Weizhong Ding, Hydrogen production from simulated hot coke oven gas by catalytic reforming over Ni/Mg(Al)O catalysts,J. Nat. Gas Chem. 2009, 18, 225-231.

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Chemical plants - Flare for coke oven gas (emergency

2020-6-21 · The project dealt with the installation for emergency coke oven gas combustion at ArcelorMittal in Krakow. Combustion will take place, as needed, depending on the gas pressure in the network coke oven. Emergency system consists of three burners – flares. This complete emergency combustion of coke gas project was based on EPC (turnkey) contract.

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Numerical study and design strategy for a low …

A low-emission coking process, which combines the oxy-fuel combustion with staged combustion strategy, was adopted to limit nitrogen oxides (NO x) emission and realize carbon dioxide (CO 2) enrichment.The combustion process of coke oven gas (COG) in O 2 /CO 2 atmospheres is numerically investigated in the combustion chamber of the coke oven. The velocity distribution, temperature fields

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