崔玲君,张前前,李苓,张栋梅,安伟

• 1:中国海洋大学化学化工学院
• 2:中国海洋石油环保服务有限公司

摘要(Abstract)：

本文采取与海洋环境相似的条件(海水介质、UV-A光照),设计长实验周期30d,对单纯光降解和TiO_2催化降解原油的行为进行了比较研究,着重考察研究了TiO_2催化剂用量、硬脂酸包裹与否等条件对原油降解率的影响,通过紫外光谱、总有机碳分析仪、柱层析、气相色谱质谱(GC-MS)法,分析了原油水溶性成分(Water Soluble Fractions:WSF)、溶解有机碳(DOC)、原油组成的改变。结果表明原油光催化降解率高于光降解,TiO_2催化剂用量对原油降解率及WSF的组成和浓度有显著影响,催化剂是否包裹则影响不大。TiO_2质量分数为12.5%时原油降解率为39.14%,水体中DOC含量最高达到89.60mg/L,多环芳烃的降解率高达82.97%。估算的胶质降解率与芳香烃组分的降解率呈现正相关,光催化使得正构烷烃组分含量升高。

关键词(KeyWords)： 原油降解率;光降解;光催化降解;纳米TiO2;原油族组分;水溶性成分

Abstract:

Keywords:

基金项目(Foundation): 中海油“水下溢油行为模拟实验与深水区溢油应急技术研究”项目(CY-HB-12-ZC-121)资助~~

作者(Author): 崔玲君,张前前,李苓,张栋梅,安伟

DOI: 10.16441/j.cnki.hdxb.20150059

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