中国科学院大连化学物理研究所机构知识库
Advanced  
DICP OpenIR  > 中国科学院大连化学物理研究所  > 期刊论文
题名: Effect of the flowing gases of steam and CO2 on the texture and catalytic activity for methane combustion of MgO powders
作者: Teng, Fei1;  Qu, Wei2;  Wen, Guodong2;  Wang, Zheming2;  Tian, Zhijian2;  Yang, Xiaomei2;  Xu, Ping2;  Zhu, Yongfa1;  Xiong, Guoxing2
通讯作者: 朱永发
关键词: MgO ;  CO2/H2O ;  pore size distribution ;  surface area ;  methane combustion
刊名: MICROPOROUS AND MESOPOROUS MATERIALS
发表日期: 2008-04-15
DOI: 10.1016/j.micromeso.2007.07.013
卷: 111, 期:1-3, 页:620-626
收录类别: SCI
文章类型: Article
部门归属: 8
项目归属: 802
产权排名: 2;2
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Chemistry, Physical ;  Nanoscience & Nanotechnology ;  Materials Science, Multidisciplinary
研究领域[WOS]: Chemistry ;  Science & Technology - Other Topics ;  Materials Science
英文摘要: In this work, the MgO powders was prepared by the precipitation method with carbonate following calcination at 1200 degrees C, and then the obtained MgO powders was treated under the flowing gaseous mixture of steam and CO2. The variations of textural properties and activity for methane combustion of the MgO sample were investigated. The sample was characterized by N-2 adsorption isotherm, TEM, XRD, and TG-DTA. The results showed that the treatment temperature and the CO concentration have a significant influence on the textural properties of the MgO sample. After run at 700 degrees C for 24 h under the flowing gaseous mixture of steam/CO2/N-2 (CO2/N-2 = 15/85 volume ratio), the maximum pore sizes varied and the pore volumes increased obviously; and remarkably, the surface area of the MgO sample increased from 37.9 to 80.1 m(2) g(-1). It was proposed that during the process, the disaggregation and rearrangement of the particles have occurred, leading to the obvious variations of the textural properties of the sample. As a result, the treated MgO sample showed a higher activity for methane combustion than the original one. (C) 2007 Elsevier Inc. All rights reserved.
关键词[WOS]: ACID TREATMENT ;  SURFACE-AREA ;  MONTMORILLONITE ;  HYDROLYSIS ;  SILICA
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000255847100078
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/100217
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

Files in This Item:

There are no files associated with this item.


作者单位: 1.Tsinghua Univ, Dept Chem, Beijing 100084, Peoples R China
2.Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
Teng, Fei,Qu, Wei,Wen, Guodong,et al. Effect of the flowing gases of steam and CO2 on the texture and catalytic activity for methane combustion of MgO powders[J]. MICROPOROUS AND MESOPOROUS MATERIALS,2008,111(1-3):620-626.
Service
 Recommend this item
 Sava as my favorate item
 Show this item's statistics
 Export Endnote File
Google Scholar
 Similar articles in Google Scholar
 [Teng, Fei]'s Articles
 [Qu, Wei]'s Articles
 [Wen, Guodong]'s Articles
CSDL cross search
 Similar articles in CSDL Cross Search
 [Teng, Fei]‘s Articles
 [Qu, Wei]‘s Articles
 [Wen, Guodong]‘s Articles
Related Copyright Policies
Null
Social Bookmarking
  Add to CiteULike  Add to Connotea  Add to Del.icio.us  Add to Digg  Add to Reddit 
所有评论 (0)
暂无评论
 
评注功能仅针对注册用户开放,请您登录
您对该条目有什么异议,请填写以下表单,管理员会尽快联系您。
内 容:
Email:  *
单位:
验证码:   刷新
您在IR的使用过程中有什么好的想法或者建议可以反馈给我们。
标 题:
 *
内 容:
Email:  *
验证码:   刷新

Items in IR are protected by copyright, with all rights reserved, unless otherwise indicated.

 

 

Valid XHTML 1.0!
Powered by CSpace