Iranian Research Organization for Science and Technology Journal of Particle Science and Technology 2423-4087 2 3 2016 09 17 Improvement in photocatalysts and photocatalytic reactors for water and wastewater treatment: A review 119 140 375 10.22104/jpst.2016.375 EN Hamed Baniamerian Department of Chemical Technologies, Iranian Research Organization for Science and Technology (IROST), Tehran, Iran Soheila Shokrollahzadeh Department of Chemical Technologies, Iranian Research Organization for Science and Technology (IROST), Tehran, Iran Journal Article 2016 07 19 During recent years, many advanced oxidation techniques have been investigated for water and wastewater treatment to overcome the shortage of clean water. This review summarizes the background and principles of photocatalysis applied as an advanced oxidation technology. In particular, this paper focuses on modification of photocatalysts with various dopants as well as the novel photocatalytic reactors to improve the oxidation efficiency of the pollutants in water and wastewater. https://jpst.irost.ir/article_375_f61d6947467ccd3aa5af24db320235dd.pdf