Published Use of ion exchange for removal of Ammonium: A biological regeneration of zeolite by Rahmani A.R. and Mahvi A.H. 146-150_RAHMANI_396_8-2.pdf
Published Leaching of lead from clinoptilolite at acidic conditions by Petrakakis Y., Mylona E., Georgantas D. and Grigoropoulou H. 207-213_456_Petrakakis_ 9-3.pdf