Synergetic NO reduction by biomass pyrolysis products simulating their reburning in circulating fluidized bed decoupling combustion

Hai-Sam Do; Tuyet-Suong Tran; Zhennan Han; Xi Zeng; Shiqiu Gao; Guangwen Xu

doi:10.1016/j.cjche.2018.07.002

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Synergetic NO reduction by biomass pyrolysis products simulating their reburning in circulating fluidized bed decoupling combustion

Energy, Resources and Environmental Technology | Updated：2026-01-06

- Synergetic NO reduction by biomass pyrolysis products simulating their reburning in circulating fluidized bed decoupling combustion
- Synergetic NO reduction by biomass pyrolysis products simulating their reburning in circulating fluidized bed decoupling combustion
- 中国化学工程学报（英文版） 2019年27卷第7期页码：1680-1689
- Affiliations：
  
  1. State Key Laboratory of Multi-phase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences,Beijing,China,100190
  2. University of Chinese Academy of Sciences,Beijing,China,100049
  3. Institute of Industrial Chemistry and Energy Technology, Shenyang University of Chemical Technology,Shenyang,China,110142
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2018.07.002
  中图分类号：
- 纸质出版：2019
- Accepted：
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Hai-Sam Do, Tuyet-Suong Tran, Zhennan Han, 等. Synergetic NO reduction by biomass pyrolysis products simulating their reburning in circulating fluidized bed decoupling combustion[J]. 中国化学工程学报（英文版）, 2019,27(7):1680-1689.

Hai-Sam Do, Tuyet-Suong Tran, Zhennan Han, Xi Zeng, Shiqiu Gao, Guangwen Xu. Synergetic NO reduction by biomass pyrolysis products simulating their reburning in circulating fluidized bed decoupling combustion[J]. Chinese Journal of Chemical Engineering, 2019, 27(7): 1680-1689.
Hai-Sam Do, Tuyet-Suong Tran, Zhennan Han, 等. Synergetic NO reduction by biomass pyrolysis products simulating their reburning in circulating fluidized bed decoupling combustion[J]. 中国化学工程学报（英文版）, 2019,27(7):1680-1689. DOI： 10.1016/j.cjche.2018.07.002.

Hai-Sam Do, Tuyet-Suong Tran, Zhennan Han, Xi Zeng, Shiqiu Gao, Guangwen Xu. Synergetic NO reduction by biomass pyrolysis products simulating their reburning in circulating fluidized bed decoupling combustion[J]. Chinese Journal of Chemical Engineering, 2019, 27(7): 1680-1689. DOI： 10.1016/j.cjche.2018.07.002.

摘要

Abstract

The present work investigated the synergetic effect of pyrolysis-derived char

tar and gas (py-gas) on NO reduction

which may occur in circulating fluidized-bed decoupling combustion (CFBDC) system treating N-rich fuel. Experiments were carried out in a lab-scale drop-tube reactor for NO reduction by some binary mixtures of reagents including char/py-gas

tar/py-gas and tar/char. At a specified total mass rate of 0.15 g·min

-1

for NO-reduction reagent

the char/py-gas (binary reagent) enabled the best synergetic NO reduction in comparison with the others. There existed effective interactions between char and some species in py-gas (

i.e

) during NO reduction by pyrolysis products

meanwhile the tar/py-gas or tar/char mixture only caused a positive effect when tar proportion was necessarily lowered to about 26%. On the other hand

the synergetic effects were not improved for all tested binary reagents by increasing the reaction temperature and residence time.

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