SCI和EI收录∣中国化工学会会刊

Chin.J.Chem.Eng. ›› 2019, Vol. 27 ›› Issue (2): 426-443.DOI: 10.1016/j.cjche.2018.06.033

• Energy, Resources and Environmental Technology • Previous Articles     Next Articles

Advances in reduction of NOx and N2O1 emission formation in an oxyfired fluidized bed boiler

Khalid El Sheikh1,2, Mohammad Jakir Hossain Khan2, Mahar Diana Hamid2, Siddhartha Shrestha3, Brahim Si Ali2, G.A. Ryabov4, Lya A. Dolgushin4, Mohd Azlan Hussain2, Tatiana V. Bukharkina1, Elena A. Gorelova4   

  1. 1 Dmitry Mendeleev University of Chemical Technology of Russia, Moscow 125047, Russia;
    2 Department of Chemical Engineering, Faculty of Engineering, University of Malaya, Kuala Lumpur 50603, Malaysia;
    3 Laboratory for Simulation and Modelling of Particulate Systems, Department of Chemical Engineering, Monash University, Victoria 3800, Australia.;
    4 All-Russian Thermal Engineering Institute, VTI, 14/23 Avtozavodskaya str, Moscow, Russia
  • Received:2018-01-11 Revised:2018-06-10 Online:2019-03-18 Published:2019-02-28
  • Contact: Khalid El Sheikh, Mohammad Jakir Hossain Khan
  • Supported by:

    Supported by the University of Malaya, Ministry of Education Malaysia under the grant FP064-2015A (FRGS) and IPPP grant number: PG101-2015B

Advances in reduction of NOx and N2O1 emission formation in an oxyfired fluidized bed boiler

Khalid El Sheikh1,2, Mohammad Jakir Hossain Khan2, Mahar Diana Hamid2, Siddhartha Shrestha3, Brahim Si Ali2, G.A. Ryabov4, Lya A. Dolgushin4, Mohd Azlan Hussain2, Tatiana V. Bukharkina1, Elena A. Gorelova4   

  1. 1 Dmitry Mendeleev University of Chemical Technology of Russia, Moscow 125047, Russia;
    2 Department of Chemical Engineering, Faculty of Engineering, University of Malaya, Kuala Lumpur 50603, Malaysia;
    3 Laboratory for Simulation and Modelling of Particulate Systems, Department of Chemical Engineering, Monash University, Victoria 3800, Australia.;
    4 All-Russian Thermal Engineering Institute, VTI, 14/23 Avtozavodskaya str, Moscow, Russia
  • 通讯作者: Khalid El Sheikh, Mohammad Jakir Hossain Khan
  • 基金资助:

    Supported by the University of Malaya, Ministry of Education Malaysia under the grant FP064-2015A (FRGS) and IPPP grant number: PG101-2015B

Abstract: Fossil fuel combustion is one of the major means to meet the mounting global energy demand. However, the increasing NOx and N2O emissions arising from fossil fuel combustion process have hazardous effects. Thus, mitigating these gases is vital to attain a sustainable environment. Interestingly, oxy-fuel combustion in fluidized bed for carbon capture and minimized NOx emissions is strongly sustainable compare to the other approaches. It was assessed that NOx formation and fuel-N conversion have significant limitation under oxy-fluidized bed compared to air mode and the mechanism of NOx formation is still deficient and requires further development. In addition, this review paper discussed the potential of primary measure as low emission process with others supplementary techniques for feasible NOx reduction. The influences of combustion mode, operating parameters, and reduction techniques such as flue gas recirculation, oxygen staging, biomass co-firing, catalyst, influence of fluidized bed design and structure, decoupling combustion and their merges are respectively evaluated. Findings show that significant minimization of NOx emission can be achieved through combination of primary and secondary reduction techniques.

Key words: Oxy-fuel combustion, Fluidized bed technology, Biomass blend, Primary/ secondary measures, NOx emission

摘要: Fossil fuel combustion is one of the major means to meet the mounting global energy demand. However, the increasing NOx and N2O emissions arising from fossil fuel combustion process have hazardous effects. Thus, mitigating these gases is vital to attain a sustainable environment. Interestingly, oxy-fuel combustion in fluidized bed for carbon capture and minimized NOx emissions is strongly sustainable compare to the other approaches. It was assessed that NOx formation and fuel-N conversion have significant limitation under oxy-fluidized bed compared to air mode and the mechanism of NOx formation is still deficient and requires further development. In addition, this review paper discussed the potential of primary measure as low emission process with others supplementary techniques for feasible NOx reduction. The influences of combustion mode, operating parameters, and reduction techniques such as flue gas recirculation, oxygen staging, biomass co-firing, catalyst, influence of fluidized bed design and structure, decoupling combustion and their merges are respectively evaluated. Findings show that significant minimization of NOx emission can be achieved through combination of primary and secondary reduction techniques.

关键词: Oxy-fuel combustion, Fluidized bed technology, Biomass blend, Primary/ secondary measures, NOx emission