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[1]曹财源,孙路,张传奇,等.金属基体整体式阳极Al2O3催化剂上二氯甲烷的催化燃烧[J].南京工业大学学报(自然科学版),2018,40(05):27-34.[doi:10.3969/j.issn.1671-7627.2018.05.005]
 CAO Caiyuan,SUN Lu,ZHANG Chuanqi,et al.Catalytic combustion of dichloromethane over a metal-monolithic anodic alumina catalyst[J].Journal of NANJING TECH UNIVERSITY(NATURAL SCIENCE EDITION),2018,40(05):27-34.[doi:10.3969/j.issn.1671-7627.2018.05.005]
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金属基体整体式阳极Al2O3催化剂上二氯甲烷的催化燃烧()
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《南京工业大学学报(自然科学版)》[ISSN:1671-7627/CN:32-1670/N]

卷:
40
期数:
2018年05期
页码:
27-34
栏目:
出版日期:
2018-09-20

文章信息/Info

Title:
Catalytic combustion of dichloromethane over a metal-monolithic anodic alumina catalyst
文章编号:
1671-7627(2018)05-0027-08
作者:
曹财源孙路张传奇陈飞李清马华郭燏
南京工业大学 材料化学工程国家重点实验室,江苏 南京 210009
Author(s):
CAO CaiyuanSUN LuZHANG ChuanqiCHEN FeiLI QingMA HuaGUO Yu
State Key Laboratory of Materials-Oriented Chemical Engineering,Nanjing Tech University,Nanjing 210009,China
关键词:
阳极氧化 整体式催化剂 水热处理 二氯甲烷 催化燃烧
Keywords:
anodic oxidation monolithic catalyst hydrothermal treatment dichloromethane catalytic combustion
分类号:
TQ426.65
DOI:
10.3969/j.issn.1671-7627.2018.05.005
文献标志码:
A
摘要:
通过水热和焙烧处理将板状多孔阳极Al2O3材料制备成一种金属基体整体式催化剂材料,在无活性组分负载的情况下直接将其作为催化剂,考察其在二氯甲烷催化燃烧反应中的性能。通过与商业γ-Al2O3的对比研究,重点考察水热处理条件对催化剂活性和耐久性的影响。使用扫描电子显微镜(SEM)、N2吸附-脱附、NH3程序升温脱附(NH3-TPD)、热分析(TG)和X线衍射仪(XRD)等对样品的结构和理化特性进行表征。结果表明:水热处理在增大样品比表面积的同时,增加了表面酸浓度和亲水性。与商业γ-Al2O3在二氯甲烷催化燃烧反应中的性能相比,水热处理的样品在低温下产生了更多的HCl,并显示出更加优异的耐久性。
Abstract:
A plate-type porous anodic alumina material was prepared into a metal-monolithic anodic alumina catalyst by hydrothermal and calcination treatments.The catalyst without active metal loading was directly used for catalytic combustion of dichloromethane.The effect of the hydrothermal treatment on the catalyst activity and catalyst durability was compared with commercial alumina γ-Al2O3.The structure and physicochemical properties of the catalyst were characterized by scanning electron microscope(SEM),nitrogen adsorption-desorption,ammonia temperature programmed desorption(NH3-TPD),thermogravimetric(TG)analysis and X-ray diffractometer(XRD).Results showed that the hydrothermal treatment increased the surface acid concentration and hydrophilicity of the catalyst with increasing its specific surface area.In comparison with the catalytic behavior of a commercial alumina in the dichloromethane catalytic combustion,the hydrothermally treated catalyst produced more HCl at low temperatures and showed superior durability.

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备注/Memo

备注/Memo:
收稿日期:2017-04-16
基金项目:国家自然科学基金(21676139); 江苏高校优势学科建设工程
作者简介:曹财源(1990—),男,山东临沂人,硕士,主要研究方向为环保催化材料; 郭燏(联系人),教授,E-mail:mguoyu@njtech.edu.cn.
引用本文:曹财源,孙路,张传奇,等.金属基体整体式阳极Al2O3催化剂上二氯甲烷的催化燃烧[J].南京工业大学学报(自然科学版),2018,40(5):27-34..
更新日期/Last Update: 2018-09-30