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Correlation between chlorobenzene oxidation and active oxygen species induced by the dispersity of RuOx
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Xi CHEN1, 2, Zi-liang JIA1, Meng-xue WANG1, Peng WANG1, Xin-tong JI1, Xin-ru QIAO1, Dong-rui GUO1, Mei-sheng LIANG1, *
China Environmental Science | 2025, 45(4) : 1820 - 1832
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China Environmental Science | 2025, 45(4): 1820-1832
• Air Pollution Control •
Correlation between chlorobenzene oxidation and active oxygen species induced by the dispersity of RuOx
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Xi CHEN1, 2, Zi-liang JIA1, Meng-xue WANG1, Peng WANG1, Xin-tong JI1, Xin-ru QIAO1, Dong-rui GUO1, Mei-sheng LIANG1, *
Affiliations
  • 1.College of Environment and Ecology, Taiyuan University of Technology, Jinzhong 030600, China
  • 2.Shanxi Academy of Eco-Environmental Planning and Technology, Taiyuan 030009, China
Published: 2025-04-20
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TiCeOx bimetallic catalysts were prepared as catalyst carries. And the Ru-supported catalysts with different dispersions were synthesized by the methods of Ru3+ impregnation reduction (bottom to up) and Ru colloid solution thermal diffusion (top to down) methods. In the catalyst RuTiCeOx-N prepared by Ru3+ immersion reduction method, Ru species exist in the form of RuOx nanoclusters. In the catalyst RuTiCeOx-A prepared by Ru colloid solution thermal diffusion, Ru species exist in the form of single-atom dispersion. The different dispersion states of Ru species lead to the difference of active oxygen species and acid sites involved in chlorobenzene (CB) oxidation. Chemisorbed oxygen and surface lattice oxygen could be the dominating active oxygen species for RuTiCeOx-N and RuTiCeOx-A, respectively. And due to the chemisorption of CB, that could be transformed into hydroxyl radical (-OH) to be involved in the catalytic reaction. Catalyst RuTiCeOx-A performed better with the complete conversion of CB at 300℃ and 24h of durability test without deactivation. That could be attributed to the synergy between its resulted active oxygen species and multiple acid sites (strong and weak).

catalyst carries  /  noble metals  /  clusters  /  single-atom dispersion  /  oxygen species  /  hydroxyl
Xi CHEN, Zi-liang JIA, Meng-xue WANG, Peng WANG, Xin-tong JI, Xin-ru QIAO, Dong-rui GUO, Mei-sheng LIANG. Correlation between chlorobenzene oxidation and active oxygen species induced by the dispersity of RuOx[J]. China Environmental Science, 2025 , 45 (4) : 1820 -1832 .
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  • Receive Date：2024-09-23
  • Online Date：2026-03-19
  • Published：2025-04-20
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  • Received：2024-09-23
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Affiliations
    1.College of Environment and Ecology, Taiyuan University of Technology, Jinzhong 030600, China
    2.Shanxi Academy of Eco-Environmental Planning and Technology, Taiyuan 030009, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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