Oxyfuel combustion represents one way for cleaner energy production using coal as combustible. The comparison between the oxycombustion and the conventional air combustion process starts with the investigation of the pyrolysis step. The aim of this contribution is to evaluate the impact of N-2 (for conventional air combustion) and CO2 (for oxy-fuel combustion) atmospheres during pyrolysis of three different coals. The experiments are conducted in a drop tube furnace over a wide temperature range 800-1400 A degrees C and for residence time ranging between 0.2 and 1.2 s. Coal devolatilized in N-2 and CO2 atmospheres at low temperatures (< 1200 A degrees C) provides similar results regarding mass loss, char combustion in thermogravimetric analysis and CO concentration. At higher temperatures (> 1200 A degrees C) and longer residence times (> 0.5 s), the char-CO2 reaction is clearly observed, whose intensity depends on the nature of the coal. Furthermore, the volatile yields are simulated using Kobayashi's scheme and kinetic parameters are predicted for each coal. The char gasification under CO2 is also accounted for by the model.
机构:
East China Univ Sci & Technol, Shanghai Engn Res Ctr Coal Gasificat, Shanghai 200237, Peoples R ChinaEast China Univ Sci & Technol, Shanghai Engn Res Ctr Coal Gasificat, Shanghai 200237, Peoples R China
Yue, Chengyan
Gao, Peipei
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East China Univ Sci & Technol, Shanghai Engn Res Ctr Coal Gasificat, Shanghai 200237, Peoples R ChinaEast China Univ Sci & Technol, Shanghai Engn Res Ctr Coal Gasificat, Shanghai 200237, Peoples R China
Gao, Peipei
Tang, Longfei
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East China Univ Sci & Technol, Shanghai Engn Res Ctr Coal Gasificat, Shanghai 200237, Peoples R ChinaEast China Univ Sci & Technol, Shanghai Engn Res Ctr Coal Gasificat, Shanghai 200237, Peoples R China
Tang, Longfei
Chen, Xueli
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East China Univ Sci & Technol, Shanghai Engn Res Ctr Coal Gasificat, Shanghai 200237, Peoples R ChinaEast China Univ Sci & Technol, Shanghai Engn Res Ctr Coal Gasificat, Shanghai 200237, Peoples R China
机构:
Chinese Acad Sci, State Key Lab Multi Phase Complex Syst, Inst Proc Engn, Beijing 100190, Peoples R China
Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R ChinaChinese Acad Sci, State Key Lab Multi Phase Complex Syst, Inst Proc Engn, Beijing 100190, Peoples R China
Xie Fang-Fang
Wang Ze
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机构:
Chinese Acad Sci, State Key Lab Multi Phase Complex Syst, Inst Proc Engn, Beijing 100190, Peoples R ChinaChinese Acad Sci, State Key Lab Multi Phase Complex Syst, Inst Proc Engn, Beijing 100190, Peoples R China
Wang Ze
Lin Wei-Gang
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Chinese Acad Sci, State Key Lab Multi Phase Complex Syst, Inst Proc Engn, Beijing 100190, Peoples R ChinaChinese Acad Sci, State Key Lab Multi Phase Complex Syst, Inst Proc Engn, Beijing 100190, Peoples R China
Lin Wei-Gang
Song Wen-Li
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Chinese Acad Sci, State Key Lab Multi Phase Complex Syst, Inst Proc Engn, Beijing 100190, Peoples R ChinaChinese Acad Sci, State Key Lab Multi Phase Complex Syst, Inst Proc Engn, Beijing 100190, Peoples R China
机构:
Cent China Normal Univ, Chem Coll, Wuhan 430079, Peoples R ChinaCent China Normal Univ, Chem Coll, Wuhan 430079, Peoples R China
Chen, Zizhao
Wu, Dirui
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h-index: 0
机构:
Huazhong Univ Sci & Technol, Sch Energy & Power Engn, Wuhan 430074, Peoples R ChinaCent China Normal Univ, Chem Coll, Wuhan 430079, Peoples R China
Wu, Dirui
Chen, Liang
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Cent China Normal Univ, Chem Coll, Wuhan 430079, Peoples R ChinaCent China Normal Univ, Chem Coll, Wuhan 430079, Peoples R China
Chen, Liang
Ji, Mengxin
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Cent China Normal Univ, Chem Coll, Wuhan 430079, Peoples R ChinaCent China Normal Univ, Chem Coll, Wuhan 430079, Peoples R China
Ji, Mengxin
Zhang, Jun
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Cent China Normal Univ, Chem Coll, Wuhan 430079, Peoples R ChinaCent China Normal Univ, Chem Coll, Wuhan 430079, Peoples R China
Zhang, Jun
Du, Yuying
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Cent China Normal Univ, Chem Coll, Wuhan 430079, Peoples R ChinaCent China Normal Univ, Chem Coll, Wuhan 430079, Peoples R China
Du, Yuying
Wu, Zhengshun
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Cent China Normal Univ, Chem Coll, Wuhan 430079, Peoples R ChinaCent China Normal Univ, Chem Coll, Wuhan 430079, Peoples R China
机构:
North China Elect Power Univ, Beijing Key Lab Emiss Surveillance & Control Ther, Beijing 102206, Peoples R ChinaNorth China Elect Power Univ, Beijing Key Lab Emiss Surveillance & Control Ther, Beijing 102206, Peoples R China
Liu, Yun
Guan, Yan-Jun
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North China Elect Power Univ, Beijing Key Lab Emiss Surveillance & Control Ther, Beijing 102206, Peoples R ChinaNorth China Elect Power Univ, Beijing Key Lab Emiss Surveillance & Control Ther, Beijing 102206, Peoples R China
Guan, Yan-Jun
Zhang, Kai
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North China Elect Power Univ, Beijing Key Lab Emiss Surveillance & Control Ther, Beijing 102206, Peoples R ChinaNorth China Elect Power Univ, Beijing Key Lab Emiss Surveillance & Control Ther, Beijing 102206, Peoples R China
机构:
Kaunas Univ Technol, Fac Mech Engn & Design, Dept Prod Engn, LT-51424 Kaunas, Lithuania
South Ural State Univ, Dept Mat Sci, Lenin Prospect 76, Chelyabinsk 454080, RussiaKaunas Univ Technol, Fac Mech Engn & Design, Dept Prod Engn, LT-51424 Kaunas, Lithuania
Yousef, Samy
Eimontas, Justas
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Lithuanian Energy Inst, Lab Combust Proc, Breslaujos 3, LT-44403 Kaunas, LithuaniaKaunas Univ Technol, Fac Mech Engn & Design, Dept Prod Engn, LT-51424 Kaunas, Lithuania
Eimontas, Justas
Striugas, Nerijus
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h-index: 0
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Lithuanian Energy Inst, Lab Combust Proc, Breslaujos 3, LT-44403 Kaunas, LithuaniaKaunas Univ Technol, Fac Mech Engn & Design, Dept Prod Engn, LT-51424 Kaunas, Lithuania
机构:
East China Univ Sci & Technol, Shanghai Engn Res Ctr Coal Gasificat, Shanghai 200237, Peoples R ChinaEast China Univ Sci & Technol, Shanghai Engn Res Ctr Coal Gasificat, Shanghai 200237, Peoples R China
Yue, Chengyan
Gao, Peipei
论文数: 0引用数: 0
h-index: 0
机构:
East China Univ Sci & Technol, Shanghai Engn Res Ctr Coal Gasificat, Shanghai 200237, Peoples R ChinaEast China Univ Sci & Technol, Shanghai Engn Res Ctr Coal Gasificat, Shanghai 200237, Peoples R China
Gao, Peipei
Tang, Longfei
论文数: 0引用数: 0
h-index: 0
机构:
East China Univ Sci & Technol, Shanghai Engn Res Ctr Coal Gasificat, Shanghai 200237, Peoples R ChinaEast China Univ Sci & Technol, Shanghai Engn Res Ctr Coal Gasificat, Shanghai 200237, Peoples R China
Tang, Longfei
Chen, Xueli
论文数: 0引用数: 0
h-index: 0
机构:
East China Univ Sci & Technol, Shanghai Engn Res Ctr Coal Gasificat, Shanghai 200237, Peoples R ChinaEast China Univ Sci & Technol, Shanghai Engn Res Ctr Coal Gasificat, Shanghai 200237, Peoples R China
机构:
Chinese Acad Sci, State Key Lab Multi Phase Complex Syst, Inst Proc Engn, Beijing 100190, Peoples R China
Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R ChinaChinese Acad Sci, State Key Lab Multi Phase Complex Syst, Inst Proc Engn, Beijing 100190, Peoples R China
Xie Fang-Fang
Wang Ze
论文数: 0引用数: 0
h-index: 0
机构:
Chinese Acad Sci, State Key Lab Multi Phase Complex Syst, Inst Proc Engn, Beijing 100190, Peoples R ChinaChinese Acad Sci, State Key Lab Multi Phase Complex Syst, Inst Proc Engn, Beijing 100190, Peoples R China
Wang Ze
Lin Wei-Gang
论文数: 0引用数: 0
h-index: 0
机构:
Chinese Acad Sci, State Key Lab Multi Phase Complex Syst, Inst Proc Engn, Beijing 100190, Peoples R ChinaChinese Acad Sci, State Key Lab Multi Phase Complex Syst, Inst Proc Engn, Beijing 100190, Peoples R China
Lin Wei-Gang
Song Wen-Li
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h-index: 0
机构:
Chinese Acad Sci, State Key Lab Multi Phase Complex Syst, Inst Proc Engn, Beijing 100190, Peoples R ChinaChinese Acad Sci, State Key Lab Multi Phase Complex Syst, Inst Proc Engn, Beijing 100190, Peoples R China
机构:
Cent China Normal Univ, Chem Coll, Wuhan 430079, Peoples R ChinaCent China Normal Univ, Chem Coll, Wuhan 430079, Peoples R China
Chen, Zizhao
Wu, Dirui
论文数: 0引用数: 0
h-index: 0
机构:
Huazhong Univ Sci & Technol, Sch Energy & Power Engn, Wuhan 430074, Peoples R ChinaCent China Normal Univ, Chem Coll, Wuhan 430079, Peoples R China
Wu, Dirui
Chen, Liang
论文数: 0引用数: 0
h-index: 0
机构:
Cent China Normal Univ, Chem Coll, Wuhan 430079, Peoples R ChinaCent China Normal Univ, Chem Coll, Wuhan 430079, Peoples R China
Chen, Liang
Ji, Mengxin
论文数: 0引用数: 0
h-index: 0
机构:
Cent China Normal Univ, Chem Coll, Wuhan 430079, Peoples R ChinaCent China Normal Univ, Chem Coll, Wuhan 430079, Peoples R China
Ji, Mengxin
Zhang, Jun
论文数: 0引用数: 0
h-index: 0
机构:
Cent China Normal Univ, Chem Coll, Wuhan 430079, Peoples R ChinaCent China Normal Univ, Chem Coll, Wuhan 430079, Peoples R China
Zhang, Jun
Du, Yuying
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h-index: 0
机构:
Cent China Normal Univ, Chem Coll, Wuhan 430079, Peoples R ChinaCent China Normal Univ, Chem Coll, Wuhan 430079, Peoples R China
Du, Yuying
Wu, Zhengshun
论文数: 0引用数: 0
h-index: 0
机构:
Cent China Normal Univ, Chem Coll, Wuhan 430079, Peoples R ChinaCent China Normal Univ, Chem Coll, Wuhan 430079, Peoples R China
机构:
North China Elect Power Univ, Beijing Key Lab Emiss Surveillance & Control Ther, Beijing 102206, Peoples R ChinaNorth China Elect Power Univ, Beijing Key Lab Emiss Surveillance & Control Ther, Beijing 102206, Peoples R China
Liu, Yun
Guan, Yan-Jun
论文数: 0引用数: 0
h-index: 0
机构:
North China Elect Power Univ, Beijing Key Lab Emiss Surveillance & Control Ther, Beijing 102206, Peoples R ChinaNorth China Elect Power Univ, Beijing Key Lab Emiss Surveillance & Control Ther, Beijing 102206, Peoples R China
Guan, Yan-Jun
Zhang, Kai
论文数: 0引用数: 0
h-index: 0
机构:
North China Elect Power Univ, Beijing Key Lab Emiss Surveillance & Control Ther, Beijing 102206, Peoples R ChinaNorth China Elect Power Univ, Beijing Key Lab Emiss Surveillance & Control Ther, Beijing 102206, Peoples R China
机构:
Kaunas Univ Technol, Fac Mech Engn & Design, Dept Prod Engn, LT-51424 Kaunas, Lithuania
South Ural State Univ, Dept Mat Sci, Lenin Prospect 76, Chelyabinsk 454080, RussiaKaunas Univ Technol, Fac Mech Engn & Design, Dept Prod Engn, LT-51424 Kaunas, Lithuania
Yousef, Samy
Eimontas, Justas
论文数: 0引用数: 0
h-index: 0
机构:
Lithuanian Energy Inst, Lab Combust Proc, Breslaujos 3, LT-44403 Kaunas, LithuaniaKaunas Univ Technol, Fac Mech Engn & Design, Dept Prod Engn, LT-51424 Kaunas, Lithuania
Eimontas, Justas
Striugas, Nerijus
论文数: 0引用数: 0
h-index: 0
机构:
Lithuanian Energy Inst, Lab Combust Proc, Breslaujos 3, LT-44403 Kaunas, LithuaniaKaunas Univ Technol, Fac Mech Engn & Design, Dept Prod Engn, LT-51424 Kaunas, Lithuania