Dipartimento di Energia, Ingegneria dell'Informazione e Modelli Matematici (DEIM), University of Palermo, Viale delle Scienze Ed. 6, Palermo 90128, Italy.
Department of Civil, Chemical, Environmental, and Materials Engineering, University of Bologna, via Terracini 28, Bologna 40131, Italy.
Water Res. 2014 Mar 1;50:189-99. doi: 10.1016/j.watres.2013.12.001. Epub 2013 Dec 13.
The treatment by advanced oxidation processes (AOPs) of waters contaminated by organic pollutants and containing also innocuous bromide ions may generate bromate ions as a co-product. In the present work heterogeneous photocatalysis and ozonation have individually been applied and in combination (integrated process) to degrade the organic compounds in water containing also bromide anions. The results show that: i) the sole photocatalysis does not produce bromate ions and in the case of its presence, it is able to reduce bromate to innocuous bromide ions; ii) the integration of photocatalysis and ozonation synergistically enhances the oxidation capabilities; and iii) in the integrated process bromate ions are not produced as long as some oxidizable organics are present.
受有机污染物污染且含有无害溴化物离子的水可通过高级氧化工艺（AOPs）处理，在此过程中可能会生成溴酸盐副产物。在本工作中，分别采用多相光催化和臭氧氧化法，并将二者结合（集成工艺）应用于降解含有溴化物阴离子的水中的有机化合物。结果表明：i）单独的光催化不会产生溴酸盐，而且在存在溴酸盐的情况下，它能够将其还原为无害的溴化物离子；ii）光催化和臭氧氧化的集成协同增强了氧化能力；iii）只要存在可氧化有机物，在集成工艺中就不会生成溴酸盐。
