High temperature air combustion: sustainable technology to low NOx formation
In recent decade, more stringent laws have been ordained to cope with environmental issues and global warming. Industrial sectors have been urged to substitute new combustion methods to decline their emissions, but the cost of pollutant reduction in traditional combustion is efficiency abatement. In...
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| Main Authors: | , , |
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| Format: | Article |
| Published: |
Praise Worthy Prize
2012
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| Subjects: | |
| Online Access: | http://eprints.utm.my/id/eprint/33864/ https://www.praiseworthyprize.org/latest_issues/IREME-latest/IREME_vol_6_n_5.html#High_Temperature_Air_Combustion:_Sustainable_Technology_to_Low_Nox_Formation |
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| Institution: | Universiti Teknologi Malaysia |
| Summary: | In recent decade, more stringent laws have been ordained to cope with environmental issues and global warming. Industrial sectors have been urged to substitute new combustion methods to decline their emissions, but the cost of pollutant reduction in traditional combustion is efficiency abatement. In the other word, emission and fuel consumption cannot be declined simultaneously by conventional combustion. High temperature air combustion (Hitac) is an innovative substitution for conventional combustion which has been developed to increase combustion efficiency and to decline pollutant formation contemporaneously. Recently, some valuable experimental and numerical analysis have been done to study the variety aspects of Hitac and to study the reasons of the compatibility of high efficiency and low NOx production in Hitac area. The outstanding characteristic of Hitac is its sustainability under low oxygen concentration when the combustion air is preheated more than the fuel auto-ignition temperature. Therefore, it can be observed that thermal NOx is suppressed due to lack of oxygen concentration. This paper is concerned with NOx formation reduction in Hitac systems via physical and chemical analysis. Chemical kinetic, heat transfer concepts, simulation studies and experimental investigations have been employed to analyze NOx formation mitigation in Hitac method. |
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