Article
  • HF Removal from Aqueous Solution Using Amine-Functionalized Poly(glycidyl methacrylate) Macroporous Microspheres
  • Lee SG, Ha JW, Park IJ, Lee SB, Sohn EH
  • 아민기로 관능화된 Poly(glycidyl methacrylate) 다공성 입자를 활용한 수용액 중 불화수소의 제거
  • 이상구, 하종욱, 박인준, 이수복, 손은호
Abstract
In this study, the amine-functionalized macroporous polymer microspheres are applied to the removal of HF from aqueous solution. Macroporous polymer microspheres were prepared by suspension polymerizations of glycidyl methacrylate and trimethylolpropane trimethacrylate. Toluene was used as a diluent in order to make microspheres porous. These microspheres were functionalized using ethylamine. HF removal efficiency, adsorption equilibrium, and adsorption kinetics were considered experimentally. The resulting polymeric microspheres showed a high capacity for HF removal, more than Qe = 55 mg/g. Finally, the amine-functionalized microspheres were utilized in the purification of metal fluoride via acid retardation.

아민 화합물로 관능화된 고분자 입자를 합성하고 이를 수용액에 포함되어 있는 불화수소의 제거에 활용하였다. 다공성의 고분자 입자는 glycidyl methacrylate와 trimethylolpropane trimethacrylate 단량체를 톨루엔과 함께 현탁중합하여 제조하였으며 ethylamine을 이용하여 관능화하였다. 불화수소 제거 효율, 흡착평형, 흡착속도 등에 관한 실험을 수행하였으며, 제조된 고분자 입자는 Qe=55 mg/g 이상의 불화수소 흡착 용량을 보였다. 제조된 고분자 입자를 사용하면 acid retardation 효과에 의해 알칼리 금속불화물과 불화수소의 혼합물 수용액으로부터 불화수소를 선택적으로 제거할 수 있어 알칼리 금속불화물의 정제 공정에 적용할 수 있음을 확인하였다.

Keywords: HF removal; poly(glycidyl methacrylate); macroporous; amine-functionalized; acid retardation

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  • Polymer(Korea) 폴리머
  • Frequency : Bimonthly(odd)
    ISSN 0379-153X(Print)
    ISSN 2234-8077(Online)
    Abbr. Polym. Korea
  • 2023 Impact Factor : 0.4
  • Indexed in SCIE

This Article

  • 2016; 40(4): 539-546

    Published online Jul 25, 2016

  • 10.7317/pk.2016.40.4.539
  • Received on Jan 6, 2016
  • Accepted on Mar 4, 2016