摘要
研究了腐植酸溶液超声声化学降解过程中近紫外光谱在190-320 nm间的变化,证明超声波对腐植酸有明显的降解作用,并测定了降解过程中不同pH值条件下TOC的变化,对降解过程的自由基氧化历程进行了分析。
The changes of ultraviolet spectra in the range of 190-320 nm of the humic acid sonochemical degradation process were studied. The experimental results show that the ultrasound has a high degradability to humic acid. The TOC removel rates in different pH ranges were 8%-15%. In the low pH condition, the TOC removel rate is low, however, in the high pH condition, the TOC removel. rate is higher. Futhermore, the free radical oxidation process was analyzed.
出处
《光谱学与光谱分析》
SCIE
EI
CAS
CSCD
北大核心
2003年第5期930-932,共3页
Spectroscopy and Spectral Analysis
基金
环境模拟与污染控制联合实验室(940203)资助
