Qr code
中文
Hongchen Guo

Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates


Gender:Male
Alma Mater:Dalian University of Technology
Degree:Doctoral Degree
School/Department:School of Chemical Engineering
Discipline:Industrial Catalysis
Physical Chemistry (including Chemical Physics)
Business Address:521 Room,Chemical Engineering Building B,West Campus, Dalian University of Technology.
Contact Information:
E-Mail:
Click:Times

Open Time: ..

The Last Update Time: ..

Current position: Home >> Scientific Research >> Paper Publications
分子筛负载TiO_2光催化剂:ZSM-5的晶体尺度和表面酸度效应研究

Hits:

Indexed by:Conference Paper

Date of Publication:2009-10-01

Page Number:1

Key Words:复合光催化剂;沸石分子筛;催化活性;催化降解;负载型;吸附性能;分散性;表征方法;晶粒度;吸附量;

Abstract:本文结合HRTEM、XRF、XPS、DRUV-Vis、NH3-TPD和Py-FT-IR等表征方法研究了ZSM-5沸石分子筛的晶体尺寸和表面酸度对负载型TiO2光催化降解甲基橙活性的影响,并将分子筛与TiO2复合物的吸附性能与其光催化活性进行了关联。结果表明,在ZSM-5沸石分子筛上,TiO2主要负载于分子筛的外表面。减小分子筛的晶粒度有利于提高TiO2的负载量和分散性。将TiO2负载于纳米分子筛上可使复合光催化剂具有较大的甲基橙吸附量。甲