Published Study of polyacrylic acid adsorption on the interface of hydroxyapatite – electrolyte solutions by Hafez I.T., Paraskeva C.A., Klepetsanis P.G. and Koutsoukos P.G.,
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.
Published Efficacy of Adsorbents of 2,4-D and Atrazine removal from water environment by Alam J. B., Dikshit A. K. and Bandopadhyay M.