Published Study of C.I. Acid Orange 7 removal in contaminated water by photo oxidation processes by Daneshvar N., Aber S. and Hosseinzadeh F.
Published Removal of dyes from aqueous solutions by adsortion on mixtures of fly ash in batch and column techniques by Albanis T.A., Hela D.G., Sakellarides T.M. and Danis T.G.