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NO.sub.x reduction by coupling combustion with recycling flue gas in iron ore sintering process.(Report)

Byline: Yan-guang Chen (1), Zhan-cheng Guo (2), Gen-sheng Feng (2) Keywords: nitrogen oxides; combustion; flue gases; iron ores; sintering Abstract: A new process called 'NO.sub.x reduction by coupling combustion with recycling flue gas (RCCRF)' was proposed to decrease NO.sub.x emission during the... Full description

Journal Title: International Journal of Minerals Metallurgy, and Materials, August, 2011, Vol.18(4), p.390(7)
Main Author: Chen, Yan - Guang
Other Authors: Guo, Zhan - Cheng , Feng, Gen - Sheng
Format: Electronic Article Electronic Article
Language: English
Subjects:
Quelle: Cengage Learning, Inc.
ID: ISSN: 1674-4799
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recordid: gale_ofa280353077
title: NO.sub.x reduction by coupling combustion with recycling flue gas in iron ore sintering process.(Report)
format: Article
creator:
  • Chen, Yan - Guang
  • Guo, Zhan - Cheng
  • Feng, Gen - Sheng
subjects:
  • Iron Ores -- Innovations
  • Oxides -- Innovations
  • Nitrogen Oxides -- Innovations
  • Nitrogen (Chemical element) -- Innovations
  • Combustion
  • Pyrolysis
  • Recycling
  • Sintering
ispartof: International Journal of Minerals, Metallurgy, and Materials, August, 2011, Vol.18(4), p.390(7)
description: Byline: Yan-guang Chen (1), Zhan-cheng Guo (2), Gen-sheng Feng (2) Keywords: nitrogen oxides; combustion; flue gases; iron ores; sintering Abstract: A new process called 'NO.sub.x reduction by coupling combustion with recycling flue gas (RCCRF)' was proposed to decrease NO.sub.x emission during the iron ore sintering process. The simulation test of NO.sub.x reduction was performed over sintered ore and in the process of coke combustion. Experimentally, NO.sub.x reduction was also carried out by sintering pot test. For sintered ore, the amount of NO.sub.x emission is reduced by 15wt%--25wt% at 400--550degC using 2.0vol% H.sub.2 or 2.0vol% CO, or reduced by 10wt%--30wt% at 560--720degC using 0.15vol% NH.sub.3. NO.sub.x reduction is around 10wt% by coupling combustion of pyrolysis gas and coke, or around 16wt% by recycling flue gas into coke combustion. By RCCRF, the maximum NO.sub.x reduction ratio is about 23wt% in coke combustion experiment and over 40wt% in sintering pot test. Author Affiliation: (1) School of Chemistry and Chemical Engineering, Northeast Petroleum University, Daqing, 163318, China (2) Key Laboratory of the Ministry of Education of China for Recycling & Ecological Metallurgy, University of Science and Technology Beijing, Beijing, 100083, China Article History: Registration Date: 29/07/2011 Received Date: 26/07/2010 Accepted Date: 20/09/2010 Online Date: 31/07/2011 Article note: This work was financially supported by the National Natural Science Foundation of China (No.50574085).
language: English
source: Cengage Learning, Inc.
identifier: ISSN: 1674-4799
fulltext: fulltext
issn:
  • 1674-4799
  • 16744799
url: Link


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titleNO.sub.x reduction by coupling combustion with recycling flue gas in iron ore sintering process.(Report)
creatorChen, Yan - Guang ; Guo, Zhan - Cheng ; Feng, Gen - Sheng
ispartofInternational Journal of Minerals, Metallurgy, and Materials, August, 2011, Vol.18(4), p.390(7)
identifierISSN: 1674-4799
subjectIron Ores -- Innovations ; Oxides -- Innovations ; Nitrogen Oxides -- Innovations ; Nitrogen (Chemical element) -- Innovations ; Combustion ; Pyrolysis ; Recycling ; Sintering
descriptionByline: Yan-guang Chen (1), Zhan-cheng Guo (2), Gen-sheng Feng (2) Keywords: nitrogen oxides; combustion; flue gases; iron ores; sintering Abstract: A new process called 'NO.sub.x reduction by coupling combustion with recycling flue gas (RCCRF)' was proposed to decrease NO.sub.x emission during the iron ore sintering process. The simulation test of NO.sub.x reduction was performed over sintered ore and in the process of coke combustion. Experimentally, NO.sub.x reduction was also carried out by sintering pot test. For sintered ore, the amount of NO.sub.x emission is reduced by 15wt%--25wt% at 400--550degC using 2.0vol% H.sub.2 or 2.0vol% CO, or reduced by 10wt%--30wt% at 560--720degC using 0.15vol% NH.sub.3. NO.sub.x reduction is around 10wt% by coupling combustion of pyrolysis gas and coke, or around 16wt% by recycling flue gas into coke combustion. By RCCRF, the maximum NO.sub.x reduction ratio is about 23wt% in coke combustion experiment and over 40wt% in sintering pot test. Author Affiliation: (1) School of Chemistry and Chemical Engineering, Northeast Petroleum University, Daqing, 163318, China (2) Key Laboratory of the Ministry of Education of China for Recycling & Ecological Metallurgy, University of Science and Technology Beijing, Beijing, 100083, China Article History: Registration Date: 29/07/2011 Received Date: 26/07/2010 Accepted Date: 20/09/2010 Online Date: 31/07/2011 Article note: This work was financially supported by the National Natural Science Foundation of China (No.50574085).
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titleNO.sub.x reduction by coupling combustion with recycling flue gas in iron ore sintering process.(Report)
descriptionByline: Yan-guang Chen (1), Zhan-cheng Guo (2), Gen-sheng Feng (2) Keywords: nitrogen oxides; combustion; flue gases; iron ores; sintering Abstract: A new process called 'NO.sub.x reduction by coupling combustion with recycling flue gas (RCCRF)' was proposed to decrease NO.sub.x emission during the iron ore sintering process. The simulation test of NO.sub.x reduction was performed over sintered ore and in the process of coke combustion. Experimentally, NO.sub.x reduction was also carried out by sintering pot test. For sintered ore, the amount of NO.sub.x emission is reduced by 15wt%--25wt% at 400--550degC using 2.0vol% H.sub.2 or 2.0vol% CO, or reduced by 10wt%--30wt% at 560--720degC using 0.15vol% NH.sub.3. NO.sub.x reduction is around 10wt% by coupling combustion of pyrolysis gas and coke, or around 16wt% by recycling flue gas into coke combustion. By RCCRF, the maximum NO.sub.x reduction ratio is about 23wt% in coke combustion experiment and over 40wt% in sintering pot test. Author Affiliation: (1) School of Chemistry and Chemical Engineering, Northeast Petroleum University, Daqing, 163318, China (2) Key Laboratory of the Ministry of Education of China for Recycling & Ecological Metallurgy, University of Science and Technology Beijing, Beijing, 100083, China Article History: Registration Date: 29/07/2011 Received Date: 26/07/2010 Accepted Date: 20/09/2010 Online Date: 31/07/2011 Article note: This work was financially supported by the National Natural Science Foundation of China (No.50574085).
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abstractByline: Yan-guang Chen (1), Zhan-cheng Guo (2), Gen-sheng Feng (2) Keywords: nitrogen oxides; combustion; flue gases; iron ores; sintering Abstract: A new process called 'NO.sub.x reduction by coupling combustion with recycling flue gas (RCCRF)' was proposed to decrease NO.sub.x emission during the iron ore sintering process. The simulation test of NO.sub.x reduction was performed over sintered ore and in the process of coke combustion. Experimentally, NO.sub.x reduction was also carried out by sintering pot test. For sintered ore, the amount of NO.sub.x emission is reduced by 15wt%--25wt% at 400--550degC using 2.0vol% H.sub.2 or 2.0vol% CO, or reduced by 10wt%--30wt% at 560--720degC using 0.15vol% NH.sub.3. NO.sub.x reduction is around 10wt% by coupling combustion of pyrolysis gas and coke, or around 16wt% by recycling flue gas into coke combustion. By RCCRF, the maximum NO.sub.x reduction ratio is about 23wt% in coke combustion experiment and over 40wt% in sintering pot test. Author Affiliation: (1) School of Chemistry and Chemical Engineering, Northeast Petroleum University, Daqing, 163318, China (2) Key Laboratory of the Ministry of Education of China for Recycling & Ecological Metallurgy, University of Science and Technology Beijing, Beijing, 100083, China Article History: Registration Date: 29/07/2011 Received Date: 26/07/2010 Accepted Date: 20/09/2010 Online Date: 31/07/2011 Article note: This work was financially supported by the National Natural Science Foundation of China (No.50574085).
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