Study on NO formation mechanism of Plasma-Assisted Ammonia-Coal Co-Combustion under Fuel-Staged combustion conditions

Shoujun Zou

doi:10.1016/j.fuel.2026.140852

Study on NO formation mechanism of Plasma-Assisted Ammonia-Coal Co-Combustion under Fuel-Staged combustion conditions

2026-08-01

0

PRE

AI

S

Shoujun Zou

X

Xiangyong Huang *

Y

Yanpeng Han

J

Jie Chen

S

Shuanglong Li

S

Shuang Wang

M

Mingyan Gu *

DOI：10.1016/j.fuel.2026.140852

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• Plasma-assisted ammonia-coal co-combustion coupled with fuel staging is proposed for NOX control. • Plasma suppresses NO formation reactions and accelerates NO reduction reactions synchronously. • The lowest NO emission of 172 ppm is achieved at 45 % ammonia blending and 20 % staging ratio. • NO + NH2 → N2 dominates NO reduction with a contribution of 42.5 % at 20 % fuel staging ratio. • The 0.6 m staging position shows better NOX reduction performance than 0.3 m.

Study on NO formation mechanism of Plasma-Assisted Ammonia-Coal Co-Combustion under Fuel-Staged combustion conditions

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