Abstract
TiO2 based photocatalyst has potential material for disinfection of harmful pathogens as well as removal of organic compounds. The formation of reactive oxygen species is a key part for overall process but aggregation and band gap constraint explore a new dimension to use of support for propounding its physicochemical properties. Therefore, the modification of TiO2 using various support alters photocatalytic action and promising ways of the mechanism based on nature of substrates and environments. In addition, the immobilization of nano dimension photocatalyst may reduce overall cost of operation and recovery of photocatalytic materials. In this perspective, extensive range of support materials as carbonaceous matters, clay, polymers, metal oxides have been studied by various researchers; that have been compiled in this review article. The properties of support were the key features for the assortment of appropriate supports for increase its efficiency as photocatalyst. In brief, overall TiO2 based photocatalyst supported on various substrates pave the ways toward new strategies for water disinfection.
Highlights
The world is continuously shifting into a new arena due to fast economic growth, industrial development and increasing population, but necessity of clean and pure water is excessive demand
Among them supported metal nanoparticles have more efficient for bacterial inactivation that other; we reported TiO2 supported metal nanoparticles (Chen et al, 2010, Mohite et al, 2015)
This review highlights the properties and different types TiO2 supported materials used as photocatalyst for the water disinfection process
Summary
The world is continuously shifting into a new arena due to fast economic growth, industrial development and increasing population, but necessity of clean and pure water is excessive demand. The contamination of the water was increasing continuously due to industrial processes and urbanization in the natural water cycle. There is need to reuse and recycle of water for the human being. In this regard, the various practices have been used for purification of water (Qu and Fan, 2010, Deshmukh et al, 2013). The various practices have been used for purification of water (Qu and Fan, 2010, Deshmukh et al, 2013) In this perception, biological approaches were employed to remove the desired contaminates in the wastewater in the less time but formation of other pollutant was major constraint. Ecofriendly and viable methodologies are the key aspect for antimicrobial disinfection and water treatment with more prominent route (Deshmukh et al, 2019a-b)
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