摘要
用介质阻挡放电与催化相结合的方法,研究了甲醛以不同介质作为填充物时脱除率与电压的关系。实验发现,填充具有较大比表面积的介质小球有利于甲醛的脱除,同时,填充二氧化钛催化剂时甲醛脱除率高于填充γ-Al2O3小球时甲醛的脱除率。结果表明:二氧化钛光催化剂在等离子体气氛下能够产生催化活性。
The effects of electric discharge voltage on the formaldehyde destruction are examined in a dielectric barrier discharge reactor packed with different medium. It is found that raising the discharge voltage and the specific surface area of Al2O3 pellets can enhance the efficiency of formaldehyde destruction and that the formaldehyde destruction shows a higher efficiency when packed with TiO2/γ-Al2O3 higher than when packed with Al2O3 pellets. The catalysis of TiO2 in plasma is demonstrated.
出处
《黑龙江科技学院学报》
CAS
2004年第1期15-17,24,共4页
Journal of Heilongjiang Institute of Science and Technology
关键词
等离子体
催化
甲醛
plasma
dielectric barrier discharge
catalysis
formaldehyde
