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学科主题物理化学
FeN particles confined inside CNT for light olefin synthesis from syngas: Effects of Mn and K additives
Yang, Zhiqiang1; Pan, Xiulian1; Wang, Junhu2; Bao, Xinhe1; Pan XL(潘秀莲); Bao XH(包信和)
关键词Co Hydrogenation Carbon Nanotubes Confined Iron Nitride Nanoparticles Mn Promotion k Promotion
刊名CATALYSIS TODAY
2012-06-01
DOI10.1016/j.cattod.2011.11.034
186期:1页:121-127
收录类别SCI
文章类型Article
部门归属5;15
项目归属502;1502
产权排名1,1
类目[WOS]Chemistry, Applied ; Chemistry, Physical ; Engineering, Chemical
研究领域[WOS]Chemistry ; Engineering
关键词[WOS]FISCHER-TROPSCH SYNTHESIS ; CARBON-MONOXIDE CATALYSTS ; IRON-MANGANESE CATALYST ; CO HYDROGENATION ; ELECTRONIC-STRUCTURE ; POTASSIUM ; NITRIDE ; CHEMISORPTION ; NANOTUBES ; ALKENES
英文摘要The effects of manganese and potassium on the structural and morphological properties, phase compositions and CO adsorption behavior of the CNT-confined FeN catalyst were investigated by X-ray diffraction (XRD), transmission electron microscopy (TEM), Fe-57 Mossbauer effect spectroscopy (MES) and CO temperature-programmed desorption (TPD). The results suggested that the presence of manganese helps retain nitrogen in cubic FeCxN1-x and facilitates CO adsorption. The selectivity to (C2C4=)-C-= light olefins is enhanced over Mn(1.0 wt%)/FeN/CNT although the activity decreases within the loading range of 0.5-2.0 wt% for Mn. Although further promotion with K could improve the activity slightly, the selectivity to light olefins decreases. At the same time, the addition of potassium enhanced the water gas shift activity and shifted the selectivity to heavy hydrocarbons (C5+), similar to the conventional reduced iron catalysts. (C) 2011 Elsevier B. V. All rights reserved.
语种英语
WOS记录号WOS:000304259800018
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/118360
专题中国科学院大连化学物理研究所
通讯作者Pan XL(潘秀莲); Bao XH(包信和)
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Mossbauer Effect Data Ctr, Dalian 116023, Peoples R China
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Yang, Zhiqiang,Pan, Xiulian,Wang, Junhu,et al. FeN particles confined inside CNT for light olefin synthesis from syngas: Effects of Mn and K additives[J]. CATALYSIS TODAY,2012,186(1):121-127.
APA Yang, Zhiqiang,Pan, Xiulian,Wang, Junhu,Bao, Xinhe,潘秀莲,&包信和.(2012).FeN particles confined inside CNT for light olefin synthesis from syngas: Effects of Mn and K additives.CATALYSIS TODAY,186(1),121-127.
MLA Yang, Zhiqiang,et al."FeN particles confined inside CNT for light olefin synthesis from syngas: Effects of Mn and K additives".CATALYSIS TODAY 186.1(2012):121-127.
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