高等学校化学学报Issue(6)：1247-1251,5.DOI:10.7503/cjcu20140194
光照下自然水体生物膜产生 H2O2及其对十二烷基苯磺酸钠降解的影响
H2 O2 Generated by Natural Biofilms Under Light Irradiation and Its Effects on Degradation of Sodium Dodecyl Benzene Sulfonate
摘要
Abstract
In this study, generation of H2 O2(hydrogen peroxide) by natural biofilms of different bioactivities under light irradiation was investigated, and effect of light on sodium dodecyl benzene sulfonate(SDBS) degra-dation in such natural biofilm-water systems was evaluated. The role of H2 O2 in the degradation of SDBS was also verified by SDBS degradation experiments in H2 O2 solution without biofilms. The results indicated that:(1) biofilms with full bio-activity can generate H2 O2 , while biofilms without any bio-activity or bio-activity of photosynthesis can not generate H2 O2; (2) much more SDBS can be degraded under visible light than in darkness; (3) light and Fe2+ can promote the degradation of SDBS in the presence of H2 O2 . H2 O2 produced by natural biofilms should be one of the most important causes of the degradation of SDBS, and the roles of H2 O2 in the degradation should include both direct oxidation of SDBS by H2 O2 and the indirect role in genera-ting active oxygen species.关键词
光照/自然生物膜/过氧化氢/十二烷基苯磺酸钠/降解Key words
Light/Natural biofilm/Hydrogen peroxide/Sodium dodecyl benzene sulfonate(SDBS)/Degra-dation分类
化学化工引用本文复制引用
董德明,李明,孙家倩,赵天宇,花修艺,郭爱桐,梁大鹏..光照下自然水体生物膜产生 H2O2及其对十二烷基苯磺酸钠降解的影响[J].高等学校化学学报,2014,(6):1247-1251,5.基金项目
国家自然科学基金(批准号:21277056)和国家“水体污染控制与治理”科技重大专项项目(批准号:2012ZX07202009)资助. Supported by the National Natural Science Foundation of China(No.21277056) and the Major Science and Technology Program for Water Pollution Control and Treatment in China(No.2012ZX07202009) （批准号:21277056）
