Applied Chemistry for Engineering (공업화학)

The Korean Society of Industrial and Engineering Chemistry (한국공업화학회)
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Adsorption of Metal Ions on Synthetic Resin with Styrene Hazardous Materials in Water Fire Extinguishing Agent

물 소화약제에서 스타이렌 위험물을 포함한 합성수지에 의한 금속 이온들의 흡착

  • Lee, Chi-Young (Department of Clinical Pathology, Gwangju Health College) ;
  • Kim, Joon-Tae (Department of Chemistry, Chosun University)
  • Received : 2009.07.21
  • Accepted : 2010.10.06
  • Published : 2010.04.10
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Abstract

Cryptand resins have been synthesized from 1-aza-18-crown-6 macrocyclic ligand attached to styrene (2th petroleum in 4th class hazardous materials) divinylbenzene copolymer with crosslinkage of 1%, 2%, 10%, and 18% by substitution reaction. The synthesis of these resins was confirmed by the content of chlorine, element analysis, surface area (BET), and IR-spectroscopy. The effects of pH, time and crosslinkage on adsorption of metal ion from water fire extinguishing agentby synthetic resin adsorbent were investigated. Metal ions showed a great adsorption over pH 3 and adsorption equilibriumof metal ions was about two hours. The adsorption selectivity determined in water was in the increasing order of sodium ($Na^{1+}$) > zinc ($Zn^{2+}$) > chromium ($Cr^{3+}$) ion. The adsorption was in the order of 1%, 2%, 10%, and 18% crosslinkage resin.

1%, 2%, 10% 및 18%의 가교도를 가진 스타이렌(제4류 위험물 중 제2석유류) 디비닐벤젠 공중합체에 1-aza-18-crown-6 거대 고리 리간드를 치환반응으로 결합시켜 수지들을 합성하였으며, 이들 수지의 합성은 염소 함량과 원소 분석, 비표면적(BET), 그리고 IR-분광법으로 확인하였다. 물 소화약제로부터 합성수지 흡착제에 대한 금속 이온의 흡착에 미치는 pH, 시간 그리고 수지의 가교도에 따른 영향들을 조사한 결과 금속 이온들은 pH 3 이상에서 큰 흡착율을 보였으며, 금속 이온들의 흡착 평형은 2 h 정도였고, 수용액에서 수지에 대한 흡착 선택성은 나트륨($Na^{1+}$) > 아연($Zn^{2+}$) > 크롬($Cr^{3+}$) 이온의 순서이며, 금속 이온의 흡착력은 1%, 2%, 10% 및 18%의 가교도 순이었다.

Keywords

Acknowledgement

Supported by : 광주보건대학

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