Removal of Acid Orange 7 Dye from Wastewater: Review

ï»¿ï»¿Helanka J Perera

The most recent removal methods for the removal of Acid Orange 7 (AO7) dye from wastewater are complied. Microbial bio-degradation, chemical decomposition by oxidation, photo-degradation and adsorption by various adsorbents are various methods used in removal of AO7. The advantages and disadvantages of the various methods are discussed and there efficiencies are compared.