Citation: LIU Dian-bin, LI Wei, LI Shi-yuan, KONG Run-juan. Influences of ammonium sulfate additive on Cl and N co-transformation during biomass/semi-coke oxy-fuel co-combustion[J]. Journal of Fuel Chemistry and Technology, ;2020, 48(1): 28-35. shu

Influences of ammonium sulfate additive on Cl and N co-transformation during biomass/semi-coke oxy-fuel co-combustion

LIU Dian-bin ^1,2 ,
LI Wei ¹ ,
LI Shi-yuan ^1,2,3,, ,
KONG Run-juan ^1,2

1.
Institute of Engineering Thermophysics, Chinese Academy of Sciences, Beijing 100190, China
2.
University of Chinese Academy of Sciences, Beijing 100049, China
3.
Dalian National Laboratory for Clean Energy, Dalian 116023, China

Corresponding author: LI Shi-yuan, lishiyuan@iet.cn
Received Date: 26 August 2019
Revised Date: 27 November 2019

Fund Project: the National Natural Science Foundation of China 51706227The project was supported by the National Natural Science Foundation of China (51706227)

Figures(13)

To investigate the influences of ammonium sulfate(AS) on the K/S/Cl transformation and N₂O/NO emission, the biomass and semi-coke were co-combusted in a 50 kW circulating fluidized bed under O₂/CO₂ atmosphere. The experimental results show that AS can reduce the Cl content in deposits obviously and decrease the NO concentration in flue gas significantly. Besides, AS can retain more K in bottom ash and circulating ash, thereby reducing the K content in deposits. In terms of reducing Cl in deposits, the top half of the riser is the optimal position to inject AS.
- oxy-fuel combustion,
- biomass,
- circulating fluidized bed,
- ammonium sulfate additive,
- Cl and N co-transformation
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