Parametric studies on the performance of anion exchange for nitrate removal |
| |
| Authors: | Taekyung Yoon Zang Ho Shon Gangchoon Lee Byunghyun Moon Byeongil Noh Nakchang Sung |
| |
| Affiliation: | (1) Department of Environmental Engineering, Dongeui University, 614-714 Pusan, Korea;(2) Department of Environmental Engineering, Changwon National University, 641-773 Kyungnam, Korea;(3) Department of Chemical Engineering, Dongseo University, 617-716 Pusan, Korea;(4) Department of Environmental Engineering, Donga University, 604-714 Pusan, Korea |
| |
| 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. |
| |
| Keywords: | Ion Exchange Denitrification Nitrate Removal Selectivity Coefficient |
| 本文献已被 SpringerLink 等数据库收录！ |
|
