Co-combustion Characteristics of coal-Scenedesmus Microalgae Blends and Their Resulting Ash
被引:11
作者:
Magida, Nokuthula E.
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Nelson Mandela Univ, InnoVenton Inst Chem Technol, Dept Chem, Port Elizabeth, South AfricaNelson Mandela Univ, InnoVenton Inst Chem Technol, Dept Chem, Port Elizabeth, South Africa
Magida, Nokuthula E.
[1
]
Bolo, Lukanyo L.
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机构:
Nelson Mandela Univ, Ctr Rubber Sci & Technol, Port Elizabeth, South AfricaNelson Mandela Univ, InnoVenton Inst Chem Technol, Dept Chem, Port Elizabeth, South Africa
Bolo, Lukanyo L.
[2
]
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Hlangothi, Shanganyane P.
[2
]
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Dugmore, Gary
[1
]
Ogunlaja, Adeniyi S.
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机构:
Nelson Mandela Univ, Dept Chem, Port Elizabeth, South AfricaNelson Mandela Univ, InnoVenton Inst Chem Technol, Dept Chem, Port Elizabeth, South Africa
Ogunlaja, Adeniyi S.
[3
]
机构:
[1] Nelson Mandela Univ, InnoVenton Inst Chem Technol, Dept Chem, Port Elizabeth, South Africa
[2] Nelson Mandela Univ, Ctr Rubber Sci & Technol, Port Elizabeth, South Africa
[3] Nelson Mandela Univ, Dept Chem, Port Elizabeth, South Africa
This study investigated the combustion behavior and evolved greenhouse gases of coal, Scenedesmus microalgae, and coal-Scenedesmus microalgae blends (Coalgae (R) 5-20%) in air using a thermogravimetric analyzer (TG)-mass spectrometer (MS). Coalgae (R) refers to a blend of coal fines and microalgae biomass. TG-DTG curves of coal and microalgae confirmed that the combustion behavior of these materials were different. Scanning Electron Micrograph (SEM) morphology images of ash obtained from the combustion of coal and Coalgae (R) 5-20% confirmed changes in devolatilization and combustion behavior of solid raw fuel. A significant reduction in activation energy of 160.4 kJ/mol, 159.6 kJ/mol, 151.3 kJ/mol, and 134.2 kJ/mol for Coalgae (R) 5%, Coalgae (R) 10%, Coalgae (R) 15% and Coalgae (R) 20%, respectively, compared to coal (161.3 kJ/mol) was achieved. The lowering of activation energy could be attributed to the relative decrease in fixed carbon. MS data presented a decrease in the emissions of CO2 (m/e 44), NOx (NO: m/e 30 and NO2: m/e 46) and SO2 (m/e 64) from coal to Coalgae (R) 5-20% due to the complex combustion mechanism in the presence of radicals. The Coalgae (R) blends showed a synergistic effect due to different combustion characteristics of coal and Scenedesmus microalgae. The results obtained from this work provide a reference to further work on co-combustion of coal and microalgae to some extent.
机构:Univ Leeds, Sch Proc Environm & Mat Engn, Energy & Resouces Res Inst, Leeds LS2 9JT, W Yorkshire, England
Bridgeman, T. G.
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Darvell, L. I.
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机构:Univ Leeds, Sch Proc Environm & Mat Engn, Energy & Resouces Res Inst, Leeds LS2 9JT, W Yorkshire, England
Darvell, L. I.
;
Jones, J. M.
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Univ Leeds, Sch Proc Environm & Mat Engn, Energy & Resouces Res Inst, Leeds LS2 9JT, W Yorkshire, EnglandUniv Leeds, Sch Proc Environm & Mat Engn, Energy & Resouces Res Inst, Leeds LS2 9JT, W Yorkshire, England
Jones, J. M.
;
Williams, P. T.
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机构:Univ Leeds, Sch Proc Environm & Mat Engn, Energy & Resouces Res Inst, Leeds LS2 9JT, W Yorkshire, England
Williams, P. T.
;
Fahmi, R.
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机构:Univ Leeds, Sch Proc Environm & Mat Engn, Energy & Resouces Res Inst, Leeds LS2 9JT, W Yorkshire, England
Fahmi, R.
;
Bridgwater, A. V.
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机构:Univ Leeds, Sch Proc Environm & Mat Engn, Energy & Resouces Res Inst, Leeds LS2 9JT, W Yorkshire, England
Bridgwater, A. V.
;
Barraclough, T.
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机构:Univ Leeds, Sch Proc Environm & Mat Engn, Energy & Resouces Res Inst, Leeds LS2 9JT, W Yorkshire, England
Barraclough, T.
;
Shield, I.
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机构:Univ Leeds, Sch Proc Environm & Mat Engn, Energy & Resouces Res Inst, Leeds LS2 9JT, W Yorkshire, England
Shield, I.
;
Yates, N.
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机构:Univ Leeds, Sch Proc Environm & Mat Engn, Energy & Resouces Res Inst, Leeds LS2 9JT, W Yorkshire, England
Yates, N.
;
Thain, S. C.
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机构:Univ Leeds, Sch Proc Environm & Mat Engn, Energy & Resouces Res Inst, Leeds LS2 9JT, W Yorkshire, England
Thain, S. C.
;
Donnison, I. S.
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机构:Univ Leeds, Sch Proc Environm & Mat Engn, Energy & Resouces Res Inst, Leeds LS2 9JT, W Yorkshire, England
机构:
S China Univ Technol, Sch Elect Power, Guangzhou, Guangdong, Peoples R ChinaS China Univ Technol, Sch Elect Power, Guangzhou, Guangdong, Peoples R China
Chen, Chunxiang
;
Ma, Xiaoqian
论文数: 0引用数: 0
h-index: 0
机构:
S China Univ Technol, Sch Elect Power, Guangzhou, Guangdong, Peoples R ChinaS China Univ Technol, Sch Elect Power, Guangzhou, Guangdong, Peoples R China
Ma, Xiaoqian
;
He, Yao
论文数: 0引用数: 0
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机构:
S China Univ Technol, Sch Elect Power, Guangzhou, Guangdong, Peoples R ChinaS China Univ Technol, Sch Elect Power, Guangzhou, Guangdong, Peoples R China
机构:
S China Univ Technol, Sch Elect Power, Guangzhou 510640, Guangdong, Peoples R ChinaS China Univ Technol, Sch Elect Power, Guangzhou 510640, Guangdong, Peoples R China
Chen, Chunxiang
;
Ma, Xiaoqian
论文数: 0引用数: 0
h-index: 0
机构:
S China Univ Technol, Sch Elect Power, Guangzhou 510640, Guangdong, Peoples R ChinaS China Univ Technol, Sch Elect Power, Guangzhou 510640, Guangdong, Peoples R China
Ma, Xiaoqian
;
Liu, Kai
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机构:
S China Univ Technol, Sch Elect Power, Guangzhou 510640, Guangdong, Peoples R ChinaS China Univ Technol, Sch Elect Power, Guangzhou 510640, Guangdong, Peoples R China
机构:Univ Leeds, Sch Proc Environm & Mat Engn, Energy & Resouces Res Inst, Leeds LS2 9JT, W Yorkshire, England
Bridgeman, T. G.
;
Darvell, L. I.
论文数: 0引用数: 0
h-index: 0
机构:Univ Leeds, Sch Proc Environm & Mat Engn, Energy & Resouces Res Inst, Leeds LS2 9JT, W Yorkshire, England
Darvell, L. I.
;
Jones, J. M.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Leeds, Sch Proc Environm & Mat Engn, Energy & Resouces Res Inst, Leeds LS2 9JT, W Yorkshire, EnglandUniv Leeds, Sch Proc Environm & Mat Engn, Energy & Resouces Res Inst, Leeds LS2 9JT, W Yorkshire, England
Jones, J. M.
;
Williams, P. T.
论文数: 0引用数: 0
h-index: 0
机构:Univ Leeds, Sch Proc Environm & Mat Engn, Energy & Resouces Res Inst, Leeds LS2 9JT, W Yorkshire, England
Williams, P. T.
;
Fahmi, R.
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h-index: 0
机构:Univ Leeds, Sch Proc Environm & Mat Engn, Energy & Resouces Res Inst, Leeds LS2 9JT, W Yorkshire, England
Fahmi, R.
;
Bridgwater, A. V.
论文数: 0引用数: 0
h-index: 0
机构:Univ Leeds, Sch Proc Environm & Mat Engn, Energy & Resouces Res Inst, Leeds LS2 9JT, W Yorkshire, England
Bridgwater, A. V.
;
Barraclough, T.
论文数: 0引用数: 0
h-index: 0
机构:Univ Leeds, Sch Proc Environm & Mat Engn, Energy & Resouces Res Inst, Leeds LS2 9JT, W Yorkshire, England
Barraclough, T.
;
Shield, I.
论文数: 0引用数: 0
h-index: 0
机构:Univ Leeds, Sch Proc Environm & Mat Engn, Energy & Resouces Res Inst, Leeds LS2 9JT, W Yorkshire, England
Shield, I.
;
Yates, N.
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h-index: 0
机构:Univ Leeds, Sch Proc Environm & Mat Engn, Energy & Resouces Res Inst, Leeds LS2 9JT, W Yorkshire, England
Yates, N.
;
Thain, S. C.
论文数: 0引用数: 0
h-index: 0
机构:Univ Leeds, Sch Proc Environm & Mat Engn, Energy & Resouces Res Inst, Leeds LS2 9JT, W Yorkshire, England
Thain, S. C.
;
Donnison, I. S.
论文数: 0引用数: 0
h-index: 0
机构:Univ Leeds, Sch Proc Environm & Mat Engn, Energy & Resouces Res Inst, Leeds LS2 9JT, W Yorkshire, England
机构:
S China Univ Technol, Sch Elect Power, Guangzhou, Guangdong, Peoples R ChinaS China Univ Technol, Sch Elect Power, Guangzhou, Guangdong, Peoples R China
Chen, Chunxiang
;
Ma, Xiaoqian
论文数: 0引用数: 0
h-index: 0
机构:
S China Univ Technol, Sch Elect Power, Guangzhou, Guangdong, Peoples R ChinaS China Univ Technol, Sch Elect Power, Guangzhou, Guangdong, Peoples R China
Ma, Xiaoqian
;
He, Yao
论文数: 0引用数: 0
h-index: 0
机构:
S China Univ Technol, Sch Elect Power, Guangzhou, Guangdong, Peoples R ChinaS China Univ Technol, Sch Elect Power, Guangzhou, Guangdong, Peoples R China
机构:
S China Univ Technol, Sch Elect Power, Guangzhou 510640, Guangdong, Peoples R ChinaS China Univ Technol, Sch Elect Power, Guangzhou 510640, Guangdong, Peoples R China
Chen, Chunxiang
;
Ma, Xiaoqian
论文数: 0引用数: 0
h-index: 0
机构:
S China Univ Technol, Sch Elect Power, Guangzhou 510640, Guangdong, Peoples R ChinaS China Univ Technol, Sch Elect Power, Guangzhou 510640, Guangdong, Peoples R China
Ma, Xiaoqian
;
Liu, Kai
论文数: 0引用数: 0
h-index: 0
机构:
S China Univ Technol, Sch Elect Power, Guangzhou 510640, Guangdong, Peoples R ChinaS China Univ Technol, Sch Elect Power, Guangzhou 510640, Guangdong, Peoples R China