文献类型：期刊文献

中文题名：热激活过硫酸盐降解卡马西平和奥卡西平复合污染的研究

英文题名：Degradation of carbamazepine and oxcarbazepine by heat-activated persulfate

作者：杨照荣[1];崔长征[1];李炳智[1];邱兆富[1];冯耀宇[1];林匡飞[1]

机构：[1]华东理工大学资源与环境工程学院国家环境保护化工过程环境风险评价与控制重点实验室,上海200237

年份：2013

卷号：33

期号：1

起止页码：98

中文期刊名：环境科学学报

外文期刊名：Acta Scientiae Circumstantiae

收录：CSTPCD;;Scopus;北大核心:【北大核心2011】；CSCD:【CSCD2013_2014】；

基金：国家水体污染控制与治理科技重大专项(No.2012ZX07403-002);国家博士后特别资助基金项目(No.200902093)~~

语种：中文

中文关键词：卡马西平;奥卡西平;热激活;过硫酸盐

外文关键词：carbamazepine ; oxcarbazepine; heat-activated ; persulfate

摘要：研究了利用热激活过硫酸钠降解卡马西平和奥卡西平复合污染的规律.通过HPLC分析发现,在30～50℃时,卡马西平和奥卡西平的降解率随着温度的升高而升高,50℃时,反应90min后卡马西平降解率为65.5%,30min内几乎能完全降解奥卡西平;提高过硫酸钠浓度有利于卡马西平和奥卡西平的降解,当过硫酸钠浓度为12.0mmol·L-1时,可分别在90min和20min内几乎完全降解卡马西平和奥卡西平;升高pH能提高卡马西平和奥卡西平的降解率,当pH为9.0时,可分别在75min和15min内将卡马西平和奥卡西平几乎完全降解.经淬灭实验和电子顺磁共振波谱仪检测表明,热激活过硫酸钠降解卡马西平和奥卡西平体系中起主要作用的自由基是·OH.结果表明,该法操作简单,pH适用范围广,可以在短时间内高效降解卡马西平和奥卡西平,实际应用前景良好,并可为实际废水中卡马西平、奥卡西平或其他有机污染物的降解提供参考.
The degradation of carbamazepine （CBZ） and oxcarbazepine （OXC） by heat-activated persulfate was investigated. Analyzed by HPLC, the degradation rates of CBZ and OXC increased with the increase of temperalure. At 50 ℃ , 65.5% CBZ was degraded after 90 min and almost all OXC was degraded at 30 min. The degradation rates of CBZ and OXC increased with the increase of persulfate dosage. At 12.0 mmol. L- ~ of persulfate, CBZ and OXC were degraded almost completely in 90 min and 20 min, respectively. The degradation rates of CBZ and OXC increased with the increase of pH. At pH 9.0, nearly all CBZ and OXC were degraded at 75 min and 15 min, respectively. The results of quenching experiments and detection of eleclron paramagnaaetic resonance revealed that OH was the major active radical which contributed to the degradation of CBZ and OXC. The above results indicated that heat-activated persulfate method is a promising technique for CBZ and OXC degradation because of its easy operation and broad pH tolerance. The results of this study could be helpful for the treatment of real wastewater contaminated by CBZ, OXC and other compounds.