Influence of steel industrial wastes on burnout rate and NOx release during the pulverized coal catalytic combustion |
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| Affiliation: | 1. Department of Municipal Engineering, School of Civil Engineering and Architecture, Wuhan University of Technology, Wuhan 430070, China;2. State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Center for Chemical and Material Engineering, Department of Applied Chemistry, Faculty of Sciences, Wuhan University of Technology, Wuhan 430070, China;3. Department of Inorganic and Physical Chemistry, Laboratory of Organometallic Chemistry and Catalysis, Ghent University, Krijgslaan 281 (S-3), 9000 Ghent, Belgium;4. Hubei Guoxintianhui Energy Co., Ltd., Xiangyang 441000, China;1. Department of Environmental Engineering, Abant Izzet Baysal University, Bolu 14280, Turkey;2. Department of Chemical Engineering, F?rat University, Elaz?? 23200, Turkey;1. Key Laboratory of Low-grade Energy Utilization Technologies and Systems, Ministry of Education, Chongqing University, Chongqing 400044, China;2. College of Power Engineering, Chongqing University, Chongqing 400044, China;3. The Beijing Key Laboratory of New and Renewable Energy, North China Electric Power University, Beijing 102206, China |
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| Abstract: | In this work, 3 kinds of coal, 5 kinds of wastes from steel industry were chosen, orthogonal combustion experiments were carried out in a lab-scale drop tube furnace. Burnout rate and NOx release were selected as evaluation indexes to evaluate the catalytic combustion and denitration effect. The catalytic combustion performance was discussed in term of the X-ray diffraction (XRD) and Scanning electron microscopy (SEM) of combustion residues. The results showed that NOx content and burnout rate of different coal varied greatly; some additives could change the apparent form of combustion residues, which indicated that the additives played good roles in combustion process. This paper will not only achieve purpose of improving coal burning efficiency and energy saving, but also turning wastes into valuables and protect the environments. |
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| Keywords: | Catalytic combustion Steel industrial wastes Burnout rate |
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