PMID: 26328380Sep 4, 2015Paper

Benzene Oxidation with Ozone Over MnO(x)/MSU-H and MnO(x)/Mesoporous-SAPO-34 Catalysts

Journal of Nanoscience and Nanotechnology
Hyung Bum AnYoung-Kwon Park

Abstract

Two mesoporous silica materials, MSU-H and mesoporous SAPO-34 (Meso-SAPO-34), were applied to the catalytic oxidation with ozone of benzene. The catalysts were characterized by X-ray diffraction, N2 adsorption-desorption, Brunauer-Emmett-Teller specific surface area, and H2-temperature programmed reduction. When MnO(x)/MSU-H was used at three different temperature, 50 degrees C, 80 degrees C, and 100 degrees C, the ozone conversion and CO(x) yield increased with increasing temperature. MnO(x)/MSU-H exhibited much higher catalytic activity than that of MnO(x)/Meso-SAPO-34. The high catalytic activity of MnO(x)/MSU-H seems to be due to the high oxygen ability and structural stability of MSU-H. The CO2 yield was somewhat enhanced by the addition of steam because steam facilitated desorption of the reaction intermediates adsorbed on the catalyst surface, enabling them to be oxidized further.

Citations

Aug 21, 2021·Journal of Hazardous Materials·Biyuan LiuHaibao Huang

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