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Single atom Fe in favor of carbon disulfide (CS2) adsorption and thus the removal efficiency
Wang, Fei; Chen, Huanyu; Sun, Xin; Wang, Chi; Ma, Yixing; Song, Xin; Li, Kai; Ning, Ping; He, Hong
2021-03-01
Source PublicationSEPARATION AND PURIFICATION TECHNOLOGY
ISSN1383-5866
Volume258Pages:-
AbstractCarbon disulfide (CS2) is a typical organic sulfur compound emitted from many industrial processes, such as petrochemical, smelting, et al. Chemical adsorption is a promising method for CS2 removal and Fe based adsorbents usually show excellent performance. Single-atom catalysts (SACs) always perform magical effects in various heterogeneous reactions. In this work, pyrolyzing coordinated polymer (PCP) strategy was adopted to synthesize Fe single-atom catalyst. HAADF-STEM and XAFS results show that among several support precursor (Zn, Ce, Ag and Al), single-atom Fe only appears successfully on Al coordinated catalyst Fe-C/Al2O3, which also performs the optimal adsorption efficiency. The contrast with Fe2O3-C/Al2O3 catalyst shows that single-atom Fe catalyst has remarkable advantage and the agglomeration of iron atoms decreases the adsorption capacity. DFT calculation results finally reveal that the strong interaction between Fe atom and C atom (in CS2) induces the increment of CS2 adsorption capacity on Fe single-atom catalyst Fe-C/Al2O3.
Department水污染控制实验室
KeywordSingle-atom catalyst Carbon disulfide (CS2) Chemical adsorption Fe DFT calculation
WOS Research AreaEngineering, Chemical
Document Type期刊论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/46074
Collection水污染控制实验室
Affiliation1.Kunming Univ Sci & Technol, Fac Environm Sci & Engn, Kunming 650000, Yunnan, Peoples R China
2.Kunming Univ Sci & Technol, Fac Chem Engn, Kunming 650500, Yunnan, Peoples R China
3.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100085, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
5.Chinese Acad Sci, Ctr Excellence Reg Atmospher Environm, Inst Urban Environm, Xiamen 361021, Peoples R China
Recommended Citation
GB/T 7714
Wang, Fei,Chen, Huanyu,Sun, Xin,et al. Single atom Fe in favor of carbon disulfide (CS2) adsorption and thus the removal efficiency[J]. SEPARATION AND PURIFICATION TECHNOLOGY,2021,258:-.
APA Wang, Fei.,Chen, Huanyu.,Sun, Xin.,Wang, Chi.,Ma, Yixing.,...&He, Hong.(2021).Single atom Fe in favor of carbon disulfide (CS2) adsorption and thus the removal efficiency.SEPARATION AND PURIFICATION TECHNOLOGY,258,-.
MLA Wang, Fei,et al."Single atom Fe in favor of carbon disulfide (CS2) adsorption and thus the removal efficiency".SEPARATION AND PURIFICATION TECHNOLOGY 258(2021):-.
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