No abstract

Dye is a chemical substance which is used for coloring of a substance. For better coloration of substance it is made chemically stable and persistence to light, and biodegradation process. After applied to a substrate the waste generated in water causes very toxic effect and hazardous for aquatic ecosystem so it is necessary to degrade or decolorize dyes from waste water. In present review degradation of different dyes using Fe3O4 based nanoparticles were cited and their catalytic properties for degradation studied in this review.