Research of photocatalytic degration of pesticide with sulfonated β-cyclodextrin
Cyclodextrin played an important role in environmental protection in recent years.Application of cyclodextrins in enviroment science upon aspects;enrichment and removal of organic pollutants and heavy metals from soil,water,and atmosphere. βcyclodextrin (β-CD) can be linked when it was sulfonation-modified.A convenient method of photocatalytic degradation of pesticide in lab by self-designed photocatalytic equipment was proposed based on analysis and comparison of different methods used to determine pesticide. The effects of illumination,reaction time,and pesticide concentration were analyzed. The results showed that the photodegradation of monocrotophes increased 2.082.86 times in the presence of 20g/L and 40g/L sulfonated β-cyclodextrin.In addition.the photodegradation of omethoate increased 1.8-2.2 times in the presence of 40g/L sulfonated β-cyclodextrin. The light activation were caused by the formaton of inclusion complexes of monocrotophes with sulfonated β-cyclodextrin. It was found that the method was simple and paid lower costs; and it could be used in lab for the photo-catalytic degradation of pesticide.
Zhibin Liu Chao Yang Shouchun Zhao
Harbin Institute of Technology, Harbin ,150001, P R.China Harbin University of Commerce, Harbin, 150 Harbin Institute of Technology, Harbin ,150001, P R.China Environmental Monitoring Station of Harbin Railway, Harbin, P.R.China
国际会议
哈尔滨
英文
1442-1445
2011-03-26（万方平台首次上网日期，不代表论文的发表时间）