2-graphene oxide composite support prepared by electro-spinning

WANG Huaiyuan; XIAO Bo; WANG Chijia; CHENG Xiaoshuang; JIANG Feng

doi:10.11949/j.issn.0438-1157.20141781

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2-graphene oxide composite support prepared by electro-spinning

更新时间：2025-11-26

- 2-graphene oxide composite support prepared by electro-spinning
- CIESC Journal Vol. 66, Issue 7, Pages: 2514-2520(2015)
- 作者机构：
  
  东北石油大学化学化工学院,黑龙江,大庆,163318
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20141781
  CLC： 643.3
- Online First：05 July 2015，
  
  Published：05 July 2015
- 稿件说明：
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WANG Huaiyuan, XIAO Bo, WANG Chijia, et al. 2-graphene oxide composite support prepared by electro-spinning[J]. CIESC Journal, 2015, 66(7): 2514-2520.
DOI：

WANG Huaiyuan, XIAO Bo, WANG Chijia, et al. 2-graphene oxide composite support prepared by electro-spinning[J]. CIESC Journal, 2015, 66(7): 2514-2520. DOI： 10.11949/j.issn.0438-1157.20141781.

摘要

以静电纺丝法制备TiO2纳米纤维(TiO2(NF))和TiO2-氧化石墨(GO)复合纳米纤维(TiO2(NF)-GO)加氢脱硫催化剂的载体

采用等体积浸渍法制备NiMo/TiO2(NF)和NiMo/TiO2(NF)-GO催化剂

运用N2吸附-脱附、X射线衍射、XPS、TEM、Raman光谱和NH3程序升温脱附等表征手段对载体和催化剂进行表征分析

并考察掺杂不同含量GO对催化剂加氢脱硫性能的影响。实验结果表明

当GO/TiO2(NF) 质量分数为0.5%时

复合载体的中强酸增加得最多

在温度280℃、氢气分压2.0 MPa、体积空速4 h-1

氢油体积比400相当温和条件下

对应的催化剂表现出优异的加氢脱硫性能。

Abstract

Novel TiO2 nanofibers(NF) and TiO2(NF)-graphene oxide (GO) supports were prepared by electro-spinning

and NiMo/TiO2(NF) and NiMo/TiO2(NF)-GO catalysts were obtained by incipient impregnation. The properties of supports and catalysts were characterized by N2 absorption-desorption

X-ray diffraction

SEM

TEM

Raman spectra and NH3-TPD. The effect of different loading of GO was investigated. The results showed that when the mass fraction of GO/TiO2(NF) was 0.5%

the intermediate-strong acid sites increased to the maximum. Under the mild conditions of 280℃

2.0 MPa

LHSV 4 h-1 and H2/feed ratio 400 (vol)

the corresponding catalyst exhibited the excellent HDS performance.

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