Structured hierarchical Mn-Co mixed oxides supported on silicalite-1 foam catalyst for catalytic combustion

Yanan Guan; Hengyu Shen; Xing Guo; Boyang Mao; Zhenyuan Yang; Yangtao Zhou; He Liang; Xiaolei Fan; Yilai Jiao; Jinsong Zhang

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Structured hierarchical Mn-Co mixed oxides supported on silicalite-1 foam catalyst for catalytic combustion

Catalysis, Kinetics and Reaction Engineering | Updated：2026-01-06

- Structured hierarchical Mn-Co mixed oxides supported on silicalite-1 foam catalyst for catalytic combustion
- Chinese Journal of Chemical Engineering Vol. 28, Issue 9, Pages: 2319-2327(2020)
- Affiliations：
  
  1. Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences,Shenyang,China,110016
  2. School of Materials Science and Engineering, University of Science and Technology of China,Shenyang,China,110016
  3. Science and Technology on Vacuum Technology and Physics Laboratory, Lanzhou Institute of Physics,Lanzhou,China,730010
  4. Department of Engineering, University of Cambridge, JJ Thomson Avenue, Cambridge CB3 0FA, United Kingdom
  5. Department of Eye and Vision Science, Institute of Life Course and Medical Sciences, University of Liverpool, 6 West Derby Street, Liverpool, L7 8TX, United Kingdom
  6. Department of Chemical Engineering and Analytical Science, School of Engineering, The University of Manchester, Oxford Road, Manchester, M13 9PL, United Kingdom
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：2020
- Accepted：
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Yanan Guan, Hengyu Shen, Xing Guo, Boyang Mao, Zhenyuan Yang, Yangtao Zhou, He Liang, Xiaolei Fan, Yilai Jiao, Jinsong Zhang. Structured hierarchical Mn-Co mixed oxides supported on silicalite-1 foam catalyst for catalytic combustion[J]. Chinese Journal of Chemical Engineering, 2020, 28(9): 2319-2327.
DOI：

Yanan Guan, Hengyu Shen, Xing Guo, Boyang Mao, Zhenyuan Yang, Yangtao Zhou, He Liang, Xiaolei Fan, Yilai Jiao, Jinsong Zhang. Structured hierarchical Mn-Co mixed oxides supported on silicalite-1 foam catalyst for catalytic combustion[J]. Chinese Journal of Chemical Engineering, 2020, 28(9): 2319-2327. DOI：

摘要

Abstract

Silicalite-1 (S1) foam was functionalized by supporting manganese-cobalt (Mn-Co) mixed oxides to develop the structured hierarchical catalyst (Mn-Co@S1F) for catalytic combustion for the first time. The self-supporting S1 foam with hierarchical porosity was prepared via hydrothermal synthesis with polyurethane (PU) foam as the template. Subsequently

Mn-Co oxide nano sheets were uniformly grown on the surface of S1 foams under hydrothermal conditions to prepare the structured hierarchical catalyst with specific surface area of 354 m

·g

-1

micropore volume of 0.141 cm

·g

-1

and total pore volume of 0.217 cm

·g

-1

as well as a good capacity to adsorb toluene (1.7 mmol·g

-1

= 0.99). Comparative catalytic combustion of toluene of over developed structured catalyst Mn-Co@S1F was performed against the control catalysts of bulk Mn-Co@S1 (

i.e

the crushed Mn-Co@S1F) and unsupported Mn-Co oxides (

i.e

Mn-Co). Mn-Co@S1F exhibited comparatively the best catalytic performance

that is

complete and stable toluene conversion at 248 °C over 65 h due to t

he synergy between Mn-Co oxides and S1 foam

which provided a large number of oxygen vacancies

high redox capacity. In addition

the hierarchical porous structure also improved the accessibility of active sites and facilitated the global mass transfer across the catalyst bed

being beneficial to the catalysis and catalyst longevity.

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