화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of the Korean Industrial and Engineering Chemistry, Vol.12, No.6, 688-692, October, 2001
Export Citation
부상 공정과 막분리를 이용한 염색 폐수의 색 제거
Colour Removal of Dyestuff Wastewater Using Flotation Process and Membrane Separation
김선일†, 노성희, 나재운1, 조성동2, 김진환3
  • 조선대학교 화학공학과, 광주 501-759
  • 1순천대학교 고분자공학과, 전남 540-742
  • 2조선대학교 화학과, 광주 501-759
  • 3전남대학교 화학공학과, 광주 501-757
Sun Il Kim†, Sung Hee Roh, Jae Woon Nah1, Sung Dong Cho2, and Jin Hwan Kim3
  • Department of Chemical Engineering, Chosun University, Kwangju 501-759, Korea
  • 1Department of Polym. Sci. and Eng., Sunchon National University, Chonnam 540-742, Korea
  • 2Department of Chemistry, Chosun University, Kwangju 501-759, Korea
  • 3Department of Chemical Engineering, Chonnam National University, Kwangju 501-757, Korea
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초록
본 연구는 부상 공정과 막분리 공정에 의한 염색 폐수의 처리 효과에 관하여 조사하였다. 부상 공정에 첨가한 3종의 collectors(1-hexadecylamine, dodecylamine, octylamine) 중 dodecylamine으로 처리한 경우 색 제거율(99%)이 가장 우수하게 나타났다. 색 제거율은 collector 투여량과 염료 농도의 몰비가 1.0 미만에서는 pH에 의존하였으나 1.0 이상인 경우에는 pH에 의존하지 않음을 알 수 있었다. 부상 공정에 의해 처리한 후의 제거율(30%)이 가장 낮은(1-hexadecylamine) 수용액을 MF 공정에 적용시킨 경우 유량의 변화에 따른 색 제거율은 별로 영향을 미치지 않았으나, 이 수용액에 분말활성탄을 첨가한 경우에는 높은 제거율(96%)을 보였다.
This study investigated the treatment efficiencies of dye-wastewater using a flotation process and a membrane separation process. Among the three collectors, 1-hexadecylamine, dodecylamine, and octylamine, that were added to the flotation process for the colour removal of dye, the treatment with dodecylamine showed the best result having the colour removal rate of 99%. When the mole ratio of added collector to the dye concentration was less than 1.0, the colour removal depended on the pH, but when the ratio was greater than 1.0, it was no longer sensitive to the pH variation. For the treatment with 1-hexadecylamine, which had the lowest colour removal rate of 30% in the flotation process, the variation of the flow rate in the microfiltration process had negligible effect on the colour removal efficiency. But the addition of activated carbon powder, to the solution during the microfiltration step, enhanced the colour removal rate up to 96% of dye.
Keywords:flotation;colour removal;membrane separation
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