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Removal of Ammonium and Nitrate Nitrogens from Wastewater using Zeolite
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 Title & Authors
Removal of Ammonium and Nitrate Nitrogens from Wastewater using Zeolite
Kim, Choong Gon;
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 Abstract
The objective of this study lies in identifying the applicability of zeolite for the removal of wastewater ammonium and nitrate nitrogens. To this end, the author tracked adsorption variations as seen with the adsorption removal of wastewater ammonium and nitrate nitrogens. As a result, it was indicated that the maximum adsorption of zeolite acting on the adsorption removal of ammonium nitrogen would reach 120mg/g (weight of ammonium nitrogen divided by that of zeolite), and that Langmuir adsorption isotherm explained the adsorption of ammonium and nitrate nitrogens better than Freundlich adsorption isotherm. This means that zeolite makes ion exchanges with adsorbate for unilayer adsorption. It was also indicated that the removal efficiency of ammonium nitrogen with varying pH would be higher in the order of pH7 > pH5 > pH9 > pH3.
 Keywords
Zeolite;Ammonium nitrogen;Nitrate nitrogen;Adsorption;pH;
 Language
Korean
 Cited by
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