Treatment of marine vessels' sewage using modified TiO2 nanoparticles
Treatment of marine vessels' sewage using modified TiO2 nanoparticles
批准号:
543390-2019
负责人:
VanVeggel, Frank
金额:
$1.82万
依托单位:
依托单位国家:
加拿大
项目类别:
Engage Grants Program
财政年份:
2019
资助国家:
加拿大
项目状态:
已结题
起止时间:
2019-01-01 至 2020-12-31
中文摘要
在这项提案中,我们的目标是证明海洋废水处理可以设计基于光催化纳米粒子,即掺杂二氧化钛。特别地,掺杂用于吸收可见光,同时不降低活性,并且同时避免了到达地球表面的太阳光中只有5%是UV光的事实。由于废水中含有许多有机化合物,可分解为无害的水和二氧化碳,因此光催化剂必须是非选择性的。在以前的博士学位中,我们发现氮掺杂的二氧化钛纳米颗粒能够完全分解苯酚,对氯苯酚,甚至五氯苯酚。后者是最持久的有机污染物之一。
英文摘要
In this proposal we aim to demonstrate that marine waste water treatments can be designed based on photocatalytic nanoparticles, i.e doped titanium dioxide. In particular the doping is used to absorb visible light, while not diminishing the activity and at the same time circumventing the fact that only 5% of the sun light reaching the surface of the earth is UV light. Because waste water has many organic compounds to decompose to harmless water and carbon dioxide, the photocatalyst has to be non-selective. In a previous PhD, we showed that nitrogen doped titanium dioxide nanoparticles are capable of completely decomposing phenol, para-chlorophenol, and even penta-chlorophenol. The latter is one of the most persistent organic pollutants.
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