Decolourisation of Anionic cum acidic azo dye Amaranth was carried out by an Advanced Oxidation Process Solar/H2O2. Dye samples concentration 100 mg/L taken in 250 ml conical flasks that were treated with 30% H2O2 and exposed to sun light the intensity range 60,000-90,000 lux. The impact various parameters decolourisation like initial concentration, pH, solar intensity, additives temperature st...