Laboratoire de Chimie des Eaux (LCE) - Ecole Normale Supérieure d'Abidjan, 08 BP 10 Abidjan 08, Côte d'Ivoire; ICPEES-UMR 7515 CNRS - Université de Strasbourg, Antenne de Saint-Avold, Rue Victor Démange, 57500 Saint-Avold, France.
Laboratoire de Chimie des Eaux (LCE) - Ecole Normale Supérieure d'Abidjan, 08 BP 10 Abidjan 08, Côte d'Ivoire.
Sci Total Environ. 2017 Feb 15;580:1489-1504. doi: 10.1016/j.scitotenv.2016.12.130. Epub 2016 Dec 29.
Sustainable water management remains a global concern to meet the food needs of industrial and agricultural activities. Therefore, pollution abatement techniques, cheap and environmentally, are highly desired and recommended. The present review is devoted to the origin and the toxicity of nitrogen-containing organic compounds in water. The progress made in removing these pollutants, in recent years, is addressed. However, a prominent place is given to the photocatalytic degradation process using the TiO as a semiconductor, the conditions for good mineralization and especially the factors influencing it. The parameters that impact the performance of this method are the pH, the temperature, the reactor used, the light, the concentration of the pollutant, the amount of catalyst, etc. Up to now, the importance of one parameter relative to another has not been established because in the context of the photocatalytic degradation, certain parameters are often tightly coupled. Consequently, the mineralization is dependent on the initial degree of oxidation of nitrogen atom contained in the pollutant to be degraded. The hydroxyl nitrogen is primarily converted into nitrate ions (NO), while the amides and the primary amines are converted into ammonium ions (NH).
可持续的水资源管理仍然是一个全球性的关注点，以满足工业和农业活动的粮食需求。因此，人们非常希望并推荐使用廉价且环保的污染减排技术。本综述致力于讨论水中含氮有机化合物的来源和毒性。文中介绍了近年来去除这些污染物的进展。然而，文中突出了使用 TiO 作为半导体的光催化降解过程，讨论了实现良好矿化的条件，特别是影响矿化的因素。影响该方法性能的参数有 pH 值、温度、反应器类型、光、污染物浓度、催化剂用量等。到目前为止，还没有确定一个参数相对于另一个参数的重要性，因为在光催化降解的情况下，某些参数往往是紧密耦合的。因此，矿化程度取决于待降解污染物中氮原子的初始氧化程度。羟基氮主要转化为硝酸盐离子（NO），而酰胺和伯胺则转化为铵离子（NH）。
