Published Use of ion exchange for removal of Ammonium: A biological regeneration of zeolite by Rahmani A.R., Mahvi A.H. 146-150_RAHMANI_396_8-2.pdf
Published Removal of ammonia by clinoptilolite by Zabochnicka-Świątek M., Malińska K. 256-261_724_Zabochnicka_12-3.pdf