杨凤林
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Ag/TiO2光催化氧化还原反应脱除水体中无机氮
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Indexed by:期刊论文

Date of Publication:2006-07-30

Journal:感光科学与光化学

Included Journals:ISTIC、CSCD、Scopus

Volume:24

Issue:4

Page Number:291-300

ISSN No.:1000-3231

Key Words:Ag/TiO2;光催化反应;氨氮;亚硝酸氮

Abstract:采用光催化还原法制备了高活性的载银二氧化钛光催化剂,并用XRF、TEM、XRD及XPS、UV-Vis方法对催化剂进行了表征.考察了负载Ag的含量、催化剂制备时间、搅拌气体的种类以及Fe2+的添加等条件对该催化剂光催化水体脱氮活性的影响.结果表明:载银量1.0%时去除效果最佳;制备催化剂时光照时间不充分会使催化剂失去还原效力;氮气保护下催化剂反应活性更高;Fe2+的加入利于光催化反应;2 h光催化含氨氮和亚硝基氮的永样,总脱氮率达到了63.9%.

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Gender:Male

Alma Mater:大连工学院

Degree:Master's Degree

School/Department:环境学院

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