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TiO2-g-C3N4/BMMS Photocatalytic Oxidation Desulfurization Catalyst
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Lina YANG1, Xi ZHANG1, Yongcheng GUO2, Licheng CUI3, Jian LI1
Journal of the Chinese Ceramic Society | 2021, 49(3) : 528 - 536
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Journal of the Chinese Ceramic Society | 2021, 49(3): 528-536
TiO2-g-C3N4/BMMS Photocatalytic Oxidation Desulfurization Catalyst
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Lina YANG1, Xi ZHANG1, Yongcheng GUO2, Licheng CUI3, Jian LI1
Affiliations
  • 1.School of Petrochemical Engineering, Liaoning Shihua University, Fushun 113001, Liaoning, China
  • 2.Washing Plant, PetroChina Fushun Petrochemical Company, Fushun 113001, Liaoning, China
  • 3.Petrochina Liaoyang Petrochemical Company, Liaoyang 111003, China

    • YANG Lina (1976-), female, Ph.D., Professor. E-mail:

About Author:

YANG Lina (1976-), female, Ph.D., Professor. E-mail:

Published: 2021-03-20 doi: 10.14062/j.issn.0454-5648.20200380
Outline
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In order to improve the photocatalytic oxidative desulfurization (PODS) activity of TiO2, a composite of TiO2 and g-C3N4 was supported on bimodal mesoporous silica (BMMS) to synthesize TiO2-g-C3N4/BMMS. The dodecane solution of dibenzothiophene (DBT) was used as a simulated oil to evaluate the catalytic performance of the samples. The reaction conditions were optimized and the catalytic reaction mechanism was proposed. The results show that TiO2-g-C3N4/BMMS has a bimodal mesoporous structure. As an active composite, TiO2-g-C3N4 can be dispersed on BMMS. Compared to pure TiO2, the light absorption ability of TiO2-g-C3N4/BMMS is enhanced and the catalytic activity is improved. The desulfurization rate of TiO2-g-C3N4/BMMS obtained under optimized reaction conditions (i.e., the catalyst amount of 3% (in mass fraction), the molar ratio of O∶S of 10∶1, and the volume ratio of solvent to oil of 1∶1) can reach 96.6%, and the desulfurization rate remains more than 85% after 8-run repeated reactions. The main active species in the PODS process are ·O2- and h+.

photocatalytic oxidative desulfurization  /  titanium dioxide  /  graphitic carbon nitride  /  bimodal mesoporous molecular sieve  /  composites  /  loading
杨丽娜, 张熙, 郭永成, 崔莉程, 李剑. TiO2-g-C3N4/BMMS光催化氧化脱硫催化剂. 硅酸盐学报, 2021 , 49 (3) : 528 -536 . DOI: 10.14062/j.issn.0454-5648.20200380
Lina YANG, Xi ZHANG, Yongcheng GUO, Licheng CUI, Jian LI. TiO2-g-C3N4/BMMS Photocatalytic Oxidation Desulfurization Catalyst[J]. Journal of the Chinese Ceramic Society, 2021 , 49 (3) : 528 -536 . DOI: 10.14062/j.issn.0454-5648.20200380
Appendix
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Year 2021 volume 49 Issue 3
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Article Info
doi: 10.14062/j.issn.0454-5648.20200380
  • Receive Date：2020-05-28
  • Online Date：2026-10-30
  • Published：2021-03-20
Article Data
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History
  • Received：2020-05-28
  • Revised：2020-08-07
Funding
Affiliations
    1.School of Petrochemical Engineering, Liaoning Shihua University, Fushun 113001, Liaoning, China
    2.Washing Plant, PetroChina Fushun Petrochemical Company, Fushun 113001, Liaoning, China
    3.Petrochina Liaoyang Petrochemical Company, Liaoyang 111003, China

Corresponding:

LI Jian (1974-), male, Ph.D., Professor. E-mail:
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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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