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黄现礼

副教授 硕士生导师

招生学科专业:
化学 -- 【招收硕士研究生】 -- 材料科学与技术学院
材料与化工 -- 【招收硕士研究生】 -- 材料科学与技术学院

性别:男

学历:哈尔滨工业大学

学位:工学博士学位

所在单位:材料科学与技术学院

办公地点:江宁校区老材料楼424

联系方式:15850518719

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High performances of mesoporous g-C3N4 for adsorptive desulfurization in model gasoline (iso-octane) solutions

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所属单位:材料科学与技术学院

发表刊物:APPLIED SURFACE SCIENCE

关键字:Desulfurization Mesoporous and macroporous materials Adsorption g-C3N4 D-A interaction

摘要:The desulfurization performance and mechanisms of mesoporous g-C3N4 as adsorbent in iso-octane solutions are presented. Mesoporous g-C3N4 was synthesized at 600 degrees C with a hard-template method using three types of silica-gels as template agent. XRD diffraction patterns show the interlayer distances of g-C3N4 are enlarged due to the intercalation of H+. The as-prepared adsorbents possess a large sulfur capacities and excellent selective adsorption for thiophene in a benzene/iso-ocatane mixed solution. TPD and regeneration experimental tests demonstrate that the larger sulphur-capacities could attribute to H+-intercalation. The adsorptive mechanisms of the thiophene over mesoporous g-C3N4 are interpreted by a novel donor-acceptor (D-A) interaction, where the donor is the S-atom of thiophene and the acceptor is the C-atoms in g-C3N4 . Gaussian computation indicates the ortho-C atoms of N-atoms bonded with Fr are the main active sites for D-A interactions. (C) 2018 Elsevier B.V. All rights reserved.

ISSN号:0169-4332

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发表时间:2018-08-01

合写作者:黄现礼,Zhang, Yueyue,何建平,张校刚

通讯作者:周宁军

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