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上下水道學會誌 = Journal of Korean Society of Water and Wastewater v.32 no.3, 2018년, pp.253 - 259   KCI
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Hydrogel 키토산비드를 이용한 수중의 양이온 중금속과 음이온의 제거 효율 평가
Removal of both cation and anion pollutant from solution using hydrogel chitosan bead

안병렬   (상명대학교 건설시스템공학과  );
  • 초록

    Cu(II) can cause health problem for human being and phosphate is a key pollutant induces eutrophication in rivers and ponds. To remove of Cu(II) and phosphate from solution, chitosan as adsorbent was chosen and used as a form of hydrogel bead. Due to the chemical instability of hydrogel chitosan bead (HCB), the crosslinked HCB by glutaraldehyde (GA) was prepared (HCB-G). HCB-G maintained the spherical bead type at 1% HCl without a loss of chitosan. A variety of batch experiment tests were carried out to determine the removal efficiency (%), maximum uptake (Q, mg/g), and reaction rate. In the single presence of Cu(II) or phosphate, the removal efficiency was obtained to 17 and 16%, respectively. However, the removal efficiency of Cu(II) and phosphate was increased to 50~55% at a mixed solution. The maximum uptake (Q) for Cu(II) and phosphate was enhanced from 11.3 to74.4 mg/g and from 3.34 to 36.6 mg/g, respectively. While the reaction rate of Cu(II) and phosphate was almost finished within 24 and 6 h at single solution, it was not changed for Cu(II) but was retarded for phosphate at mixed solution.


  • 주제어

    흡착 .   키토산 .   구리 .   인산염.  

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