NDLI: Parametric studies on the performance of anion exchange for nitrate removal

Content Provider	Springer Nature Link
Author	Yoon, Taekyung Shon, Zang Ho Lee, Gangchoon Moon, Byunghyun Sung, Nakchang
Copyright Year	2001
Abstract	Ion exchange performance to remove nitrate in surface and underground water was studied experimentally in batch and continuous operation systems under various conditions. Data were collected by using commercially available strong-base anion-exchange resins of C1 and OH types. Equilibrium curves, obtained through the batch system and plotted as the concentration ratio versus run time, were used to evaluate the effects of temperature, resin type, and initial feed concentration on the equilibrium characteristics of nitrate. The selectivity coefficients of the resins were correlated as a function of temperature by using the Kraus-Raridon equation. Breakthrough curves, obtained through the continuous column system and plotted as the ratio of effluent to influent concentration versus solution volume passed through the experimental column, gave detailed results about the effects of the system parameters, such as temperature, resin type, feed concentration, volumetric flow rate, column diameter and height on the performance of the anion exchange to remove nitrate. The results of this study could be scaled up and used as a design tool for a water-purification system of real ground water and surface water treatment processes.
Starting Page	170
Ending Page	177
Page Count	8
File Format	PDF
ISSN	02561115
Journal	Korean Journal of Chemical Engineering
Volume Number	18
Issue Number	2
e-ISSN	19757220
Language	English
Publisher	Springer-Verlag
Publisher Date	2001-01-01
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Ion Exchange Denitrification Nitrate Removal Selectivity Coefficient Industrial Chemistry/Chemical Engineering Catalysis Materials Science Biotechnology
Content Type	Text
Resource Type	Article
Subject	Chemistry Chemical Engineering

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