상하수도학회지 (Journal of Korean Society of Water and Wastewater)

  • 제32권3호
  • /
  • Pages.253-259
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  • 2018
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  • 1225-7672(pISSN)
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  • 2287-822X(eISSN)
대한상하수도학회 (The Korean Society of Water and Wastewater)
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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)
  • An, Byungryul (Department of Civil Engineering, Sangmyung University)
  • 투고 : 2018.04.09
  • 심사 : 2018.05.18
  • 발행 : 2018.06.15
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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.

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참고문헌

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  2. Synthesis of polysulfone beads impregnated with Ca-sepiolite for phosphate removal vol.11, pp.1, 2018, https://doi.org/10.12989/mwt.2020.11.1.069
  3. Effect of Hydrogen Ion Presence in Adsorbent and Solution to Enhance Phosphate Adsorption vol.11, pp.6, 2018, https://doi.org/10.3390/app11062777