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한국환경과학회지 = Journal of the environmental sciences v.11 no.2, 2002년, pp.93 - 102   피인용횟수: 4

Flocculation Characteristics of Kaoline Suspensions in Water by Cationic Polyelectrolytes

Kam, Sang-Kyu   (Dept. of Environmental Engineering, Cheju National UniversityUU0001165  ); Kim, Dae-kyoung   (Dept. of Environmental Engineering, Cheju National UniversityUU0001165  ); Ko, Byung-Churl   (Dept. of Environmental Engineering, Cheju National UniversityUU0001165  ); Moon, Chang-Seong   (Dongbu Sewage Disposal Agency  ); Lee, Min-Gyu   (Division of Chemical Engineering, Pukyong National UniversityUU0000598  );
  • 초록

    Using a simple continuous optical technique, coupled with measurements of zeta potential, the flocculation characteristics of kaoline suspensions of different content(15, 35 and 55 NTU) by several cationic polyelectrolytes, has been examined. The optimum mixing is obtained under a constant stirring of 200 rpm, differently from a general flocculation test. The charge density of a polyelectrolyte is important in determining the optimum dosage and in the removal of kaoline particles. The optimum dosage is less for the polyelectrolyte of higher charge density and is the same regardless of kaoline content. At the dosage, the removal of kaoline particles is higher for the polyelectrolyte of higher charge density and zeta potential of kaoline particles reaches to near zero. The rate of adsorption and flocculation rate have been found to be affected by charge density and molecular weight of a polyelelctrolyte and the content of kaoline particles.


  • 주제어

    flocculation .   kaoline .   cationic polyelectrolyte .   zeta potential.  

  • 참고문헌 (27)

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  • 이 논문을 인용한 문헌 (4)

    1. 2003. "" 한국환경과학회지 = Journal of the environmental sciences, 12(8): 861~870     
    2. Lee Min-Gye ; Kam Sang-Kyu 2005. "Charge Determination of Cationic Polyelectrolytes by Visual Titrimetry and Spectrophotometry" 한국환경과학회지 = Journal of the environmental sciences, 14(6): 525~532     
    3. 2005. "" 한국환경과학회지 = Journal of the environmental sciences, 14(8): 723~737     
    4. Kim, Hee-Geun ; Moon, Byung-Hyun ; Kim, Seung-Hyun 2005. "Effects of Dual-Coagulant Performance" 上下水道學會誌 = Journal of Korean Society of Water and Wastewater, 19(1): 92~97     

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