Simultaneous Removal of SO2 and NOx from Coal-Fired Flue Gas Using Steel Slag Slurry
Meng, Ziheng1,2; Wang, Chenye1; Wang, Xingrui1; Chen, Yan1; Li, Huiquan1,2
2018-02-01
发表期刊ENERGY & FUELS
ISSN0887-0624
卷号32期号:2页码:2028-2036
摘要A method for simultaneously removing sulfur dioxide (SO2) and nitrogen oxides (NOx) from coke oven flue gas using steel slag slurry was proposed. Due to the high removal efficiency of SO2, the effects of operation conditions on the removal of NOx were investigated emphatically. The results showed that the removal efficiency of NOx increased with an increase in steel slag slurry concentration, NOx oxidation ratio, steel slag slurry pH, and NOx and SO2 inlet concentrations and a decrease in reaction temperature. The removal efficiencies of SO2 and NOx could reach 100 and 83.4%, respectively, by optimizing the operation conditions. The mechanism of NOx removal using steel slag slurry was investigated. The results showed that (MgO)(0.841).(MnO)(0.159) (RO phase, a CaO-FeO-MnO-MgO solid solution) in steel slag was decomposed by H+ and produced Mg2+ and Mn2+. Furthermore, Mn2+ in steel slag slurry could promote the absorption of NO2 via redox reactions with the generation of solid Mn3O4 and MnO(OH).
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1021/acs.energyfuels.7b03385
收录类别SCI
语种英语
关键词[WOS]SIMULTANEOUS ABSORPTION ; COKE-OVEN ; INTEGRATIVE PROCESS ; NITROGEN-DIOXIDE ; OZONE OXIDATION ; FINE PARTICLES ; NITRIC-OXIDE ; DESULFURIZATION ; INJECTION ; PREOXIDATION
WOS研究方向Energy & Fuels ; Engineering
WOS类目Energy & Fuels ; Engineering, Chemical
项目资助者Science and Technology Service Network Initiative Project of the Chinese Academy of Sciences(KFJ-SW-STS-178) ; Young Scientists Fund of the National Natural Science Foundation of China(21706264)
WOS记录号WOS:000426015000107
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/24004
专题湿法冶金清洁生产技术国家工程实验室
作者单位1.Chinese Acad Sci, Key Lab Green Proc & Engn, Natl Engn Lab Hydrometallurg Cleaner Prod Technol, Inst Proc Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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GB/T 7714
Meng, Ziheng,Wang, Chenye,Wang, Xingrui,et al. Simultaneous Removal of SO2 and NOx from Coal-Fired Flue Gas Using Steel Slag Slurry[J]. ENERGY & FUELS,2018,32(2):2028-2036.
APA Meng, Ziheng,Wang, Chenye,Wang, Xingrui,Chen, Yan,&Li, Huiquan.(2018).Simultaneous Removal of SO2 and NOx from Coal-Fired Flue Gas Using Steel Slag Slurry.ENERGY & FUELS,32(2),2028-2036.
MLA Meng, Ziheng,et al."Simultaneous Removal of SO2 and NOx from Coal-Fired Flue Gas Using Steel Slag Slurry".ENERGY & FUELS 32.2(2018):2028-2036.
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