A REVIEW ON DIFFERENT TYPES OF NANOPARTICLES, CHARACTERIZATION TECHNIQUES AND THEIR ROLE IN PHOTOCATALYTIC REMOVAL OF DYES AND INDUSTRIAL POLLUTANTS.
Keywords:Wastewaters, Adsorption, Nanoparticles, dye decolouration, photocatalytic degradation
Water is a necessary component of life, and all living things depend on water to exist. Water pollution is caused by numerous natural and anthropogenic causes. Numerous industries release a significant volume of wastewater into the environment each year. Among all the pollutants, the colours included in effluents are highly mutagenic, carcinogenic, and non-biodegradable, and they seriously affect any nearby living things. There are several techniques employed to treat the wastewater in order to lower the contaminants. There are numerous conventional techniques to remediate contaminants from wastewater, but recently, adsorption technologies have gained much more influence as compared to conventional wastewater treatment processes. It is proved that adsorption techniques are capable of producing water of the desired quality. The main objective of this paper is to give a general overview of the different types of nanoparticles, their synthesis methods, characterization techniques, and their function in the photocatalytic removal of numerous dangerous water pollutants and dyes.
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