Nitrogen Remuval from Fertilizer Wastewater by Ion Exchange (CROSBI ID 166358)
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Podaci o odgovornosti
Leaković, Stjepan ; Mijatović, Ivan ; Cerjan-Stefanović, Štefica ; Hodžić, Emir
engleski
Nitrogen Remuval from Fertilizer Wastewater by Ion Exchange
The wastewater treatment in the fertilizer factory Kutina (Croatia) is carried out by an ion exchange process using strong acid cation and weak basic anion exchangers. The regeneration of cation exchange resin is performed by 56% HNO_3, while the anion resin regeneration is done by 16% ammonium hydrohide as an external regeneration process. Four types of anion resins were used under industrial conditions. Under dynamic equilibrium the best resaults were obtained with the LEWATIT S 4428 resin.
ammonium; fertilizer factory; ion exhangers; nitrate; nitrogen; waste water
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