SYNTHESIS OF NANOSIZED TiO_2-Al_2O_3 COMPOSITE PARTICLES   BY TiCl_4-AlCl_3-O_2 HIGH TEMPERATURE REACTION

施利毅; 李春忠; 古宏晨; 房鼎业; 朱以华; 陈爱平

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SYNTHESIS OF NANOSIZED TiO_2-Al_2O_3 COMPOSITE PARTICLES BY TiCl_4-AlCl_3-O_2 HIGH TEMPERATURE REACTION

更新时间：2025-12-16

- SYNTHESIS OF NANOSIZED TiO_2-Al_2O_3 COMPOSITE PARTICLES BY TiCl_4-AlCl_3-O_2 HIGH TEMPERATURE REACTION
- CIESC Journal Issue 6, (2000)
- 作者机构：
  
  华东理工大学技术化学物理研究所!上海200237,华东理工大学技术化学物理研究所!上海200237,华东理工大学技术化学物理研究所!上海200237,华东理工大学化工系!上海200237,华东理工大学技术化学物理研究所!上海200237,华东理工大学技术化学物理研究所,上海,200237
- 作者简介：
- 基金信息：
- DOI：
  CLC： B383
- Online First：25 December 2000，
  
  Published：25 December 2000
- 稿件说明：
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施利毅, 李春忠, 古宏晨, et al. SYNTHESIS OF NANOSIZED TiO_2-Al_2O_3 COMPOSITE PARTICLES BY TiCl_4-AlCl_3-O_2 HIGH TEMPERATURE REACTION[J]. CIESC Journal, 2000, (6).
DOI：

施利毅, 李春忠, 古宏晨, et al. SYNTHESIS OF NANOSIZED TiO_2-Al_2O_3 COMPOSITE PARTICLES BY TiCl_4-AlCl_3-O_2 HIGH TEMPERATURE REACTION[J]. CIESC Journal, 2000, (6). DOI：

摘要

Abstract

Nanosized TiO 2-Al 2O 3 composite particles were prepared by gas-phase oxidation of TiCl 4 and AlCl 3 in an aerosol reactor. XPS

ICP

TEM

and XRD measurement were used to characterize the chemical composition

morphology

size and crystal structure of the particles. The effect of processing parameters on the characteristics of composite particles was studied. The results showed that the enhancement of nitrogen flow rate into the reactor tail benefited particle size control. The TiO 2 size increased with increasing reaction temperature and residence time. The crystal structure of titania and alumina in composite particles was affected by the AlCl 3 and TiCl 4 feed ratio. Aluminum titanate was formed at 1.73 s residence time

1400 ℃ reaction temperature

and 2.80 AlCl 3/TiCl 4 feed ratio.

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