Treatment of hazardous organic and inorganic compounds through aqueous-phase photocatalysis: A review

被引:611
作者
Kabra, K [1 ]
Chaudhary, R [1 ]
Sawhney, RL [1 ]
机构
[1] Devi Ahilya Univ, Sch Energy & Environm Studies, DAVV, Indore 452017, Madhya Pradesh, India
关键词
D O I
10.1021/ie0498551
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
Photocatalysis has been a widely studied technology since the 1970s. Many investigations have been carried out with the aim of understanding the fundamental processes and enhancing photocatalytic efficiencies especially for water, air, and soil pollution control. In this comprehensive paper, studies focused on the treatment of hazardous wastewater (bearing heavy metals and organic compounds) by photocatalysis and the effects of various parameters such as pH, light intensity, dissolved oxygen, etc., are reviewed. In addition, the design features and efficiencies of various photoreactors used for this process are discussed. Some studies on the economic analysis of photocatalytic systems are also included. It can be concluded that the photocatalysis process is suitable for the treatment of drinking water and industrial wastewater. Also, harvesting the energy of the sun for photoreactions would make it a cleaner and more cost-effective treatment method.
引用
收藏
页码:7683 / 7696
页数:14
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