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Author:

Ji, Kemeng (Ji, Kemeng.) | Dai, Hongxing (Dai, Hongxing.) (Scholars:戴洪兴) | Deng, Jiguang (Deng, Jiguang.) | Zhang, Lei (Zhang, Lei.) | Jiang, Haiyan (Jiang, Haiyan.) | Xie, Shaohua (Xie, Shaohua.) | Han, Wen (Han, Wen.)

Indexed by:

EI Scopus SCIE

Abstract:

Strontium ferrite (SFO) hollow spheres with or without porous shells were fabricated via a novel one-pot hydrothermal route with the assistance of glucose and/or ethylenediamine. Physicochemical properties of the materials were characterized by means of a number of analytical techniques, and their catalytic performance was evaluated for the combustion of toluene. It is shown that the SFO samples possessed an orthorhombic structure and displayed a porous hollow spherical morphology with a surface area of 18-27 m(2)/g. The SFO sample (SFO-3) derived hydrothermally at 170 degrees C with a glucose/ethylenediamine volumetric ratio of 0.3/1.0 exhibited the highest surface area and oxygen adspecies concentration and the best low-temperature reducibility. Among the SFO samples, the SFO-3 sample showed the best catalytic activity for toluene combustion, and the T-10%, T-50%, and T-90% were ca. 145, 255, and 298 degrees C at a space velocity of 20,000 mL/(g h), respectively. It is concluded that the good catalytic performance of SFO-3 was associated with its surface oxygen species concentration and better low-temperature reducibility. (C) 2013 Elsevier B.V. All rights reserved.

Keyword:

Perovskite-type oxide Strontium ferrite Hydrothermal fabrication Hollow spheres Toluene combustion

Author Community:

  • [ 1 ] [Ji, Kemeng]Beijing Univ Technol, Coll Environm & Energy Engn, Dept Chem & Chem Engn, Lab Catalysis Chem & Nanosci, Beijing 100124, Peoples R China
  • [ 2 ] [Dai, Hongxing]Beijing Univ Technol, Coll Environm & Energy Engn, Dept Chem & Chem Engn, Lab Catalysis Chem & Nanosci, Beijing 100124, Peoples R China
  • [ 3 ] [Deng, Jiguang]Beijing Univ Technol, Coll Environm & Energy Engn, Dept Chem & Chem Engn, Lab Catalysis Chem & Nanosci, Beijing 100124, Peoples R China
  • [ 4 ] [Zhang, Lei]Beijing Univ Technol, Coll Environm & Energy Engn, Dept Chem & Chem Engn, Lab Catalysis Chem & Nanosci, Beijing 100124, Peoples R China
  • [ 5 ] [Jiang, Haiyan]Beijing Univ Technol, Coll Environm & Energy Engn, Dept Chem & Chem Engn, Lab Catalysis Chem & Nanosci, Beijing 100124, Peoples R China
  • [ 6 ] [Xie, Shaohua]Beijing Univ Technol, Coll Environm & Energy Engn, Dept Chem & Chem Engn, Lab Catalysis Chem & Nanosci, Beijing 100124, Peoples R China
  • [ 7 ] [Han, Wen]Beijing Univ Technol, Coll Environm & Energy Engn, Dept Chem & Chem Engn, Lab Catalysis Chem & Nanosci, Beijing 100124, Peoples R China

Reprint Author's Address:

  • 戴洪兴

    [Dai, Hongxing]Beijing Univ Technol, Coll Environm & Energy Engn, Dept Chem & Chem Engn, Lab Catalysis Chem & Nanosci, Beijing 100124, Peoples R China

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Source :

JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL

ISSN: 1381-1169

Year: 2013

Volume: 370

Page: 189-196

ESI Discipline: CHEMISTRY;

JCR Journal Grade:2

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count: 17

SCOPUS Cited Count: 19

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 8

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