光化学氧化石油和海水中含硫化合物的研究进展

Advances in photochemical oxidation of sulfur-containing compounds in petroleum and sea water

介绍了以O2为氧化剂时含硫化合物的光化学氧化以及石油的脱硫研究现状,概述了利用H2O2/O2作氧化剂时轻质油品的脱硫情况、H2O2的光氧化机理以及添加光敏剂及TiO2光催化剂时含硫化合物及轻质油品的光氧化技术。总结了含硫化合物的光氧化产物、反应级数、反应机理以及影响因素等。针对光化学氧化技术存在的问题,指出未来研究方向应是揭示反应机理、开发具有可见光性能的光催化剂和能工业化操作的光化学反应仪器。

Photochemical oxidation of sulfur-containing compounds and destdfurization of oil with O2 as an oxidant are presented, and the destdfurization of light oil oxidized by H2O2/O2, photooxidation mechanism, photooxidation process of stdfurcontaining compounds and light oil, and adding photosensitizer and photocatalyst TiO2 to improve desulfurization rate are reviewed. Photooxidation product, order of reaction, mechanism and influencing factors are also summarized. Aiming at the problems in research and practical application, further study should be focused on how to reveal the reaction mechanism, and develop visible-light photocatalysts and large photochemical reactor swhich can be operated in industry.