• Complex
  • Title
  • Keyword
  • Abstract
  • Scholars
  • Journal
  • ISSN
  • Conference
成果搜索

author:

Lei, Ganchang (Lei, Ganchang.) [1] (Scholars:雷淦昌) | Yao, Zheng (Yao, Zheng.) [2] | Qu, Jingqi (Qu, Jingqi.) [3] | Chen, Jiaxin (Chen, Jiaxin.) [4] | Shen, Lijuan (Shen, Lijuan.) [5] | Zheng, Xiaohai (Zheng, Xiaohai.) [6] | Wang, Shiping (Wang, Shiping.) [7] (Scholars:王世萍) | Cao, Yanning (Cao, Yanning.) [8] (Scholars:曹彦宁) | Zhan, Yingying (Zhan, Yingying.) [9] (Scholars:詹瑛瑛)

Indexed by:

EI Scopus SCIE

Abstract:

Developing highly efficient catalysts for the transformation of hydrogen sulfide (H2S) pollutants into value-added products is crucial for both fundamental catalytic research and industrial chemistry. Herein, ferrititanate nanosheets (H0.8Ti1.2Fe0.8O4, denoted as NS-HTFO) exfoliated from lepidocrocite-type titanates are employed for the first time to catalyze the conversion of H2S to elemental sulfur. Collective experimental characterizations reveal that the as-designed NS-HTFO catalyst possesses ultrathin 2D structure and a large specific surface area, featuring abundant oxygen vacancies. Compared with its sandwich-like precursor of K0.8Ti1.2Fe0.8O4 (denoted as L-KTFO), the NS-HTFO catalyst displays notably enhanced desulfurization activity, achieving 100 % H2S conversion and over 93 % sulfur selectivity at temperatures ranging from 90 to 270 degrees C. Moreover, no significant decline in sulfur yield is observed over the course of a 100-hour evaluation, showing outstanding breakthrough sulfur capacity up to 4163 mg/gcat. This performance exceeds that of most recently reported catalysts. The possible catalytic mechanism for H2S-to-S selective oxidation over the NS-HTFO catalyst has also been investigated.

Keyword:

H2S-to-S selective oxidation Oxygen vacancies Surface basicity Ultrathin 2D structure

Community:

  • [ 1 ] [Lei, Ganchang]Fuzhou Univ, Natl Engn Res Ctr Chem Fertilizer Catalyst, Sch Chem Engn, Gongye Rd 523, Fuzhou 350002, Fujian, Peoples R China
  • [ 2 ] [Yao, Zheng]Fuzhou Univ, Natl Engn Res Ctr Chem Fertilizer Catalyst, Sch Chem Engn, Gongye Rd 523, Fuzhou 350002, Fujian, Peoples R China
  • [ 3 ] [Qu, Jingqi]Fuzhou Univ, Natl Engn Res Ctr Chem Fertilizer Catalyst, Sch Chem Engn, Gongye Rd 523, Fuzhou 350002, Fujian, Peoples R China
  • [ 4 ] [Chen, Jiaxin]Fuzhou Univ, Natl Engn Res Ctr Chem Fertilizer Catalyst, Sch Chem Engn, Gongye Rd 523, Fuzhou 350002, Fujian, Peoples R China
  • [ 5 ] [Shen, Lijuan]Fuzhou Univ, Natl Engn Res Ctr Chem Fertilizer Catalyst, Sch Chem Engn, Gongye Rd 523, Fuzhou 350002, Fujian, Peoples R China
  • [ 6 ] [Zheng, Xiaohai]Fuzhou Univ, Natl Engn Res Ctr Chem Fertilizer Catalyst, Sch Chem Engn, Gongye Rd 523, Fuzhou 350002, Fujian, Peoples R China
  • [ 7 ] [Wang, Shiping]Fuzhou Univ, Natl Engn Res Ctr Chem Fertilizer Catalyst, Sch Chem Engn, Gongye Rd 523, Fuzhou 350002, Fujian, Peoples R China
  • [ 8 ] [Cao, Yanning]Fuzhou Univ, Natl Engn Res Ctr Chem Fertilizer Catalyst, Sch Chem Engn, Gongye Rd 523, Fuzhou 350002, Fujian, Peoples R China
  • [ 9 ] [Zhan, Yingying]Fuzhou Univ, Natl Engn Res Ctr Chem Fertilizer Catalyst, Sch Chem Engn, Gongye Rd 523, Fuzhou 350002, Fujian, Peoples R China
  • [ 10 ] [Shen, Lijuan]Fujian Normal Univ, Coll Environm & Resource Sci, Coll Carbon Neutral Modern Ind, Fujian Key Lab Pollut Control & Resource Reuse, Fuzhou 350007, Peoples R China

Reprint 's Address:

  • 詹瑛瑛

    [Shen, Lijuan]Fuzhou Univ, Natl Engn Res Ctr Chem Fertilizer Catalyst, Sch Chem Engn, Gongye Rd 523, Fuzhou 350002, Fujian, Peoples R China;;[Zhan, Yingying]Fuzhou Univ, Natl Engn Res Ctr Chem Fertilizer Catalyst, Sch Chem Engn, Gongye Rd 523, Fuzhou 350002, Fujian, Peoples R China

Show more details

Related Keywords:

Source :

CHEMICAL ENGINEERING JOURNAL

ISSN: 1385-8947

Year: 2024

Volume: 485

1 3 . 4 0 0

JCR@2023

Cited Count:

WoS CC Cited Count: 7

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

Online/Total:205/10034407
Address:FZU Library(No.2 Xuyuan Road, Fuzhou, Fujian, PRC Post Code:350116) Contact Us:0591-22865326
Copyright:FZU Library Technical Support:Beijing Aegean Software Co., Ltd. 闽ICP备05005463号-1