Observations of chemical effects accompanying pulverized coal thermal decomposition
A thermal decomposition reactor is used to simulate the environment of a practical coal burner and assess the influence of fuel properties on the chemical behaviour that accompanies the thermal decomposition of pulverized coal particles. The present study complements and extends previous work that e...
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| Veröffentlicht in: | Fuel (Guildford) 1988-09, Vol.67 (9), p.1182-1189 |
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| container_title | Fuel (Guildford) |
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| creator | Kramlich, John C. Seeker, William Randall Samuelsen, Gary S. |
| description | A thermal decomposition reactor is used to simulate the environment of a practical coal burner and assess the influence of fuel properties on the chemical behaviour that accompanies the thermal decomposition of pulverized coal particles. The present study complements and extends previous work that explored the physical and thermal behaviour. The rate of component burnout is determined for hydrogen, nitrogen and carbon as well as the evolution of NO and HCN, and the efficiency of fuel nitrogen conversion. The results demonstrate a significant dependency on coal particle size and coal type. Modelling demonstrates that the penetration of oxygen into the fuel-rich devolatilization cloud depends on particle size and coal properties and, as a result, controls to a large extent the evolution and transformation of the chemical constituents associated with the parent fuel. |
| doi_str_mv | 10.1016/0016-2361(88)90034-8 |
| format | Article |
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| ispartof | Fuel (Guildford), 1988-09, Vol.67 (9), p.1182-1189 |
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| language | eng |
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| source | Access via ScienceDirect (Elsevier) |
| subjects | Applied sciences chemical properties Energy Energy. Thermal use of fuels Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc Exact sciences and technology Furnaces. Firing chambers. Burners scanning electron microscopy Solid and pulverized fuel burners and combustion chambers thermal decomposition |
| title | Observations of chemical effects accompanying pulverized coal thermal decomposition |
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