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Boolean: (bicycle AND helmet) OR (head AND protection) (always group AND in parenthesis)
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10 items by relevance
1 Report

The conversion of fuel-N to NO during the char combustion

Zhou, Haosheng; Jensen, Anker Degn; Glarborg, Peter

Year: 2007

Language: English

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2 Journal article

Experimental investigations of the conversion of fuel-N, volatile-N and char-N to NOx and N2O during single coal particle fluidized bed combustion

Zhou, Hao; Huang, Yan; Mo, Guiyuan; Liao, Ziyu; Cen, Kefa

Journal of the Energy Institute — 2015, Volume 90, Issue 1, pp. 62-72

•The NOx and N2O formation and conversion of fuel-N, volatile-N and char-N are studied during single coal particle combustion.•The mass reduction, NOx and N2O concentrations by the conversion of fuel-N, volatile-N and char-N are analyzed.•The influence of temperature (1043, 1103, 1163 K

Year: 2015

Language: English

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3 Journal article

Conversions of fuel-N to NO and N2O during devolatilization and char combustion stages of a single coal particle under oxy-fuel fluidized bed conditions

Zhou, Hao; Li, Yuan; Li, Ning; Qiu, Runchao; Cen, Kefa

Journal of the Energy Institute — 2018, Volume 92, Issue 2, pp. 351-363

The conversions of fuel-N to NO and N2O during devolatilization and char combustion stages of a single coal particle of 7 mm in diameter were investigated in a laboratory-scale flow tube reactor under oxy-fuel fluidized bed (FB) conditions. The method of isothermal thermo-gravimetric analysis (TGA) combing with the coal properties was proposed to distinguish the devolatilization and char combustion stages of coal combustion. The results show that the char combustion stage plays a dominant role in NO and N2O emissions in oxy-fuel FB combustion. Temperature changes the trade-off between NO an...

Year: 2018

Language: English

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4 Journal article

Conversions of fuel-N, volatile-N, and char-N to NO and N2O during combustion of a single coal particle in O2/N2 and O2/H2O at low temperature

Li, Yuan; Zhou, Hao; Li, Ning; Qiu, Runchao; Cen, Kefa

Chinese Journal of Chemical Engineering — 2018, Volume 26, Issue 9, pp. 1967-1977

Oxy-steam combustion is a promising next-generation combustion technology. Conversions of fuel-N, volatile-N, and char-N to NO and N2O during combustion of a single coal particle in O2/N2 and O2/H2O were studied in a tube reactor at low temperature. In O2/N2, NO reaches the maximum value in the devolatilization stage and N2O reaches the maximum value in the char combustion stage. In O2/H2O, both NO and N2O reach the maximum values in the char combustion stage. The total conversion ratios of fuel-N to NO and N2O in O2/N2 are obviously higher than those in O2/H2O, due to the reduction of H2O ...

Year: 2018

Language: English

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