Pollutant Emission and Ash Accumulation Characteristics of Tri-Combustion of Coal, Biomass, and Oil Sludge

被引：0
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作者：
Feng, Bao [1 ]
Sun, Haoying [1 ]
Gao, Li [1 ]
Guo, Zhenyu [1 ]
Ai, Yu [1 ]
Zhang, Yong [2 ]
Pan, Zhenyan [2 ]
Li, Peiqi [3 ]
Hou, Yutong [3 ]
Ma, Jingkai [3 ]
Xu, Xingcan [3 ]
Deng, Lei [3 ]
机构：
[1] Guoneng Jinjie Energy Co., Ltd., Yulin,719319, China
[2] Yantai Longyuan Power Technology Co., Ltd., Yantai,264006, China
[3] State Key Laboratory of Multiphase Flow in Power Engineering, School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an,710049, China
来源：
Processes | 2024年 / 12卷 / 12期
关键词：
To study the ash accumulation and pollutant emission characteristics of tri-combustion of coal; biomass; and oil sludge; a fluidized bed and settling furnace system is established for tri-combustion experiments. The effect of blending ratio (the ratio of biomass and oil sludge range from 30% to 50% and 10% to 20%; respectively) and biomass types are examined. The results show that HTB; coal; and oil sludge reach peak NO and NO2 production at approximately 100 s and 200 s of combustion; respectively; with NOx levels returning to zero around 300 s. SO2 peaks around 100 s and then gradually declines. The blending ratio of HTB:oil sludge:coal at 50%:10%:40% demonstrates the most effective control over NOx and SO2 emissions; reducing NO; NO2; and SO2 production by approximately 33%; 20%; and; 50%; respectively. In the ash with a ratio of Hutubi (HTB) + 50% oil sludge; the mass fractions of O; Si; Ca; Al; and Fe are approximately 27%; 23%; 8%; 12%; respectively. With the increase in the blending ratio of biomass and oil sludge; the mass fraction of Si in the ash rises; while those of Ca; and Fe decrease. © 2024 by the authors;
D O I：
10.3390/pr12122804
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