Nano titanium dioxide

Photocatalysis is a new technology which can use solar energy to purify environment and transform energy. The core of photocatalysis is photocatalyst. In recent years, important progress has been made in the research of new photocatalysts. A series of new photocatalysts with high stability and visible light induced properties were designed and prepared by using a variety of advanced methods and means, which greatly expanded the diversity and application selectivity of photocatalysts. In recent ten years, semiconductor photocatalysis technology has developed rapidly in environmental protection, health and other aspects. Nano photocatalysis has become one of the active research fields in the world. The characteristics of photocatalytic environmental protection technology are as follows

It can use sunlight directly to purify the environment -- green and energy saving

Degradation of pollutants at room temperature, especially toxic and refractory organic pollutants

It can effectively kill bacteria and viruses, including typical pathogenic bacteria, SARS and influenza viruses

Safe, no secondary pollution - pollutants are oxidized and decomposed into harmless products such as CO2 and H2O

Broad spectrum, long-term - almost all of the pollutants that should be given priority to can be degraded and the catalyst can be used for a long time