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author:

Ru, Ziwei (Ru, Ziwei.) [1] | Zhang, Xin (Zhang, Xin.) [2] | Zhang, Man (Zhang, Man.) [3] | Mi, Jie (Mi, Jie.) [4] | Cao, Chunyan (Cao, Chunyan.) [5] | Yan, Zhifeng (Yan, Zhifeng.) [6] | Ge, Mingzheng (Ge, Mingzheng.) [7] | Liu, Hongchao (Liu, Hongchao.) [8] | Wang, Jiancheng (Wang, Jiancheng.) [9] | Zhang, Wei (Zhang, Wei.) [10] | Cai, Weilong (Cai, Weilong.) [11] (Scholars:蔡伟龙) | Lai, Yuekun (Lai, Yuekun.) [12] (Scholars:赖跃坤) | Feng, Yu (Feng, Yu.) [13]

Indexed by:

EI Scopus SCIE

Abstract:

Desulfurization sorbent with a high active compo-nent utilization is of importance for the removal of H2S from coal gas at high temperatures. Thus, the hypothesis for producing ZnxCo3-xO4/carbon nanofiber sorbents via the combinations of electrospinning, in situ hydrothermal growth, and carbonization technique has been rationally constructed in this study. ZnxCo3-xO4 nanoparticles derived from metal-organic frameworks are uniformly loaded on the electrospun carbon nanofibers (CNFs) with high dispersion. ZnxCo3-xO4/CNFs sorbents possess the highest breakthrough sulfur adsorption capacity (12.4 g S/100 g sorbent) and an excellent utilization rate of the active component (83.2%). The excellent performance of ZnxCo3-xO4/CNFs can be attributed to the synergetic effect of the hierarchical structure and widely distributed ZnxCo3-xO4 on the CNFs supporter. The decomposition of Zn/Co-ZIFs not only generates the nucleus of oxides but also realizes their physical isolation through the formation of carbon grids on the surface of CNFs, avoiding the aggregation of oxides. Furthermore, ZnxCo3-xO4/CNFs sorbents show an overwhelming superiority over the ZnO/CNFs sorbent, which is attributed to the introduction of Co and then the promotion of the stability of Zn at high temperatures. The presence of Co also accelerates the adsorption of H2S on the active site of the oxide surface. The presented method is beneficial for promoting desulfurization performances and producing sorbents with high utilization of active components.

Keyword:

carbon nanofibers coal gas desulfurization electrospinning metal-organic frameworks sorbent

Community:

  • [ 1 ] [Ru, Ziwei]Taiyuan Univ Technol, Coll Text Engn, Jinzhong 030600, Peoples R China
  • [ 2 ] [Zhang, Xin]Taiyuan Univ Technol, Coll Text Engn, Jinzhong 030600, Peoples R China
  • [ 3 ] [Zhang, Man]Taiyuan Univ Technol, Coll Text Engn, Jinzhong 030600, Peoples R China
  • [ 4 ] [Yan, Zhifeng]Taiyuan Univ Technol, Coll Text Engn, Jinzhong 030600, Peoples R China
  • [ 5 ] [Mi, Jie]Taiyuan Univ Technol, State Key Lab Clean & Efficient Coal Utilizat, Minist Educ, Taiyuan 030024, Peoples R China
  • [ 6 ] [Wang, Jiancheng]Taiyuan Univ Technol, State Key Lab Clean & Efficient Coal Utilizat, Minist Educ, Taiyuan 030024, Peoples R China
  • [ 7 ] [Feng, Yu]Taiyuan Univ Technol, State Key Lab Clean & Efficient Coal Utilizat, Minist Educ, Taiyuan 030024, Peoples R China
  • [ 8 ] [Mi, Jie]Taiyuan Univ Technol, Key Lab Coal Sci & Technol, Minist Educ, Taiyuan 030024, Peoples R China
  • [ 9 ] [Wang, Jiancheng]Taiyuan Univ Technol, Key Lab Coal Sci & Technol, Minist Educ, Taiyuan 030024, Peoples R China
  • [ 10 ] [Feng, Yu]Taiyuan Univ Technol, Key Lab Coal Sci & Technol, Minist Educ, Taiyuan 030024, Peoples R China
  • [ 11 ] [Ge, Mingzheng]Nantong Univ, Sch Text & Clothing, Nantong 226019, Peoples R China
  • [ 12 ] [Zhang, Wei]Nantong Univ, Sch Text & Clothing, Nantong 226019, Peoples R China
  • [ 13 ] [Ge, Mingzheng]Univ Macau, Inst Appl Phys & Mat Engn, Macau 999078, Peoples R China
  • [ 14 ] [Liu, Hongchao]Univ Macau, Inst Appl Phys & Mat Engn, Macau 999078, Peoples R China
  • [ 15 ] [Cai, Weilong]Fuzhou Univ, Coll Chem Engn, Fuzhou 350116, Peoples R China
  • [ 16 ] [Lai, Yuekun]Fuzhou Univ, Coll Chem Engn, Fuzhou 350116, Peoples R China
  • [ 17 ] [Cao, Chunyan]City Univ Hong Kong, Dept Biomed Sci, Kowloon, Hong Kong 999077, Peoples R China

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Source :

ENVIRONMENTAL SCIENCE & TECHNOLOGY

ISSN: 0013-936X

Year: 2022

1 1 . 4

JCR@2022

1 0 . 9 0 0

JCR@2023

ESI Discipline: ENVIRONMENT/ECOLOGY;

ESI HC Threshold:64

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count: 36

SCOPUS Cited Count: 13

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

Online/Total:176/10000302
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