UV/H_2O_2/草酸铁络合物光降解邻苯二甲酸二丁酯研究  

Photodegradation of dibutyl phthalate by UV/H_2O_2/ferrioxalate complexes

作　　者：陈义群[1] 陈德强[1] 

机构地区：[1]河海大学环境科学与工程学院,南京210098

出　　处：《环境污染治理技术与设备》2006年第12期69-71,共3页Techniques and Equipment for Environmental Pollution Control

基　　金：河海大学创新基金项目(2084/40401127)

摘　　要：研究了邻苯二甲酸二丁酯(DBP)在UV/H2O2/草酸铁络合物体系中的光降解。结果表明,UV/H2O2/草酸铁络合物能有效地光解DBP;在pH值为4时,DBP光解速率最快,中性和碱性条件下光解效率降低;DBP的光解速率随H2O2浓度的升高而增大,但H2O2浓度较大时,其对.OH的清除作用使DBP的光解速率减慢;[Fe3+]/[C2O24](1/10,DBP光解速率随Fe3+浓度增大明显提高,[Fe3+]/[C2O24](1/10时,引起DBP光解速率的增加不明显。The photodegradation of dibutyl phthalate （DBP） in UV/H2O2/ferrioxalate complexes system was studied. The results indicated that DBP was effectively degraded by the system. The phthalate displayed faster degradation rate in acid medium than in neutral or alkali medium. The rate of destruction of DBP increased when increasing concentration of H2O2, but the effect decreased at high level of H2O2. The significant photodegradation of DBP was achieved with the concentration ratio of Fe（ Ⅲ ） to oxalate under 1/10.

关 键 词：邻苯二甲酸二丁酯 UV/H2O2/草酸铁络合物 光降解 

分 类 号：X703.1[环境科学与工程—环境工程]