Use of ion exchange for removal of Ammonium: A biological regeneration of zeolite by Rahmani A.R. and Mahvi A.H.
Trace element removal from hot gasification flue gases using solid sorbents by Diaz-Somoano M., Lopez-Anton M.A. and Martinez-Tarazona M.R.
Ozone pre-oxidation of a textile industry wastewater for acute toxicity removal by Selcuk H. and Meric S.