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양친매성 유기점토를 이용한 중금속과 유기 오염물질 동시제거 기술
The Application of Dual Function Organoclay on Remediation of Toxic Metals and Organic Compounds in Soil-Water System

옥용식   (고려대학교 생명환경과학대학 환경생태공학부UU0000159  ); 임수길   (고려대학교 생명환경과학대학 환경생태공학부UU0000159  ); 김정규   (고려대학교 생명환경과학대학 환경생태공학부UU0000159  );
  • 초록

    Although clay can sorb significant amounts of inorganic contaminants from soils and wastewater, the hydration of exchangeable cations in clay minerals makes it hydrophilic at the clay mineral surfaces and interlayers. Thus, natural clays are often ineffective in complexing and stabilizing toxic organic contaminants in soils and groundwater environment. But, substituting these hydrated cations with cationic surfactant such as QAC(Quaternary ammonium Compound) can change the natural clay from hydrophilic to hydropobic. Furthermore functionalized organoclay can act as a powerful dual function sorbent for both toxic metals and organic compounds. It also can be used as landfill clay liners, slurry walls, nano-composite materials, petroleum tank farms, waste treatment, and filter systems. To use this modified clay minerals effectively, it is required to understand the fundamental chemistry of organoclay, synthetic procedures, its engineering application, bioavailability of sorbed ion-clay complex, and potential risk of organoclay. In this review, we investigate the use, application and historical background of the organoclay in remediation technology. The state-of-the-art of organoclay research is also discussed. Finally, we suggest some future implications of organoclay in environmental research.


  • 주제어

    organoclay .   quaternary ammonium .   nonionic organic compound .   remediation.  

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  • 이 논문을 인용한 문헌 (4)

    1. Yang, Jae-E. ; Kim, Jong-Sung ; Ok, Yong-Sik ; Yoo, Kyung-Yoal 2005. "Reduction Efficiency of Cr(VI) in Aqueous Solution by Different Sources of Zero-Valent Irons" 한국환경농학회지 = Korean journal of environmental agriculture, 24(3): 203~209     
    2. Yoo, Kyung-Yoal ; Ok, Yong-Sik ; Yang, Jae-E. 2007. "As (v) immobilization in an aqueous solution by zerovalent iron under various environmental conditions" 한국환경농학회지 = Korean journal of environmental agriculture, 26(3): 197~203     
    3. Lee, Hyeon-Yong ; Jeon, Choong ; Lim, Kyoung-Jae ; Hong, Ki-Chan ; Lim, Jung-Eun ; Choi, Bong-Su ; Kim, Nam-Won ; Yang, Jae-E ; Ok, Yong-Sik 2009. "Adsorption Characteristics of Heavy Metal Ions onto Chemically Modified Rice Husk and Sawdust from Aqueous Solutions" 한국환경농학회지 = Korean journal of environmental agriculture, 28(2): 158~164     
    4. Lee, Ji-Ho ; Kim, Ji-Young ; Go, Woo-Ri ; Jeong, Eun-Jung ; Kunhikrishnan, Anitha ; Jung, Goo-Bok ; Kim, Doo-Ho ; Kim, Won-Il 2012. "Current research trends for heavy metals of agricultural soils and crop uptake in Korea" 한국환경농학회지 = Korean journal of environmental agriculture, 31(1): 75~95     

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  • 임수길 (52)

    1. 1981 "하와이 화산회(火山灰)로부터 발달한 Inceptisols과 Aridsol 토양(土壤)의 표면전하(表面電荷) 특성(特性)에 관(關)하여" 韓國土壤肥料學會誌 = Korean journal of Soil Science and Fertilizer 14 (3): 110~116    
    2. 1983 "토양건조방법들에 대한 평가" 韓國土壤肥料學會誌 = Korean journal of Soil Science and Fertilizer 16 (2): 168~178    
    3. 1984 "암모니움 Toxicity에 의(依)한 배추의 Tip-burn에 관(關)한 연구(硏究)" 韓國土壤肥料學會誌 = Korean journal of Soil Science and Fertilizer 17 (4): 389~398    
    4. 1984 "합성(合成) 수산화(水酸化) 철(鐵) 광물(鑛物)과 수산화(水酸化) 알루미늄 광물(鑛物)의 표면(表面) 전하(電荷) 및 물리화학적(物理化學的) 특성(特性)에 관(關)한 연구(硏究)" 韓國土壤肥料學會誌 = Korean journal of Soil Science and Fertilizer 17 (2): 147~154    
    5. 1984 "항생물질 발효 부산물이 수도 및 토마토 생육에 미치는 영향" 한국환경농학회지 = Korean journal of environmental agriculture 3 (1): 52~56    
    6. 1985 "답토양(畓土壤)에서 수도(水稻)의 Cesium-137 흡수(吸收)와 수도체내(水稻體內) 분포(分布)" 한국환경농학회지 = Korean journal of environmental agriculture 4 (1): 18~24    
    7. 1986 "답토양(畓土壤)에서 Cesium-137 흡(吸)·탈착(脫着)에 관(關)한 연구(硏究)" 韓國土壤肥料學會誌 = Korean journal of Soil Science and Fertilizer 19 (2): 115~121    
    8. 1986 "토양중(土壤中) 비소(砒素)의 행동(行動)과 수도(水稻)의 비소흡수(砒素吸收)에 의(依)한 피해(被害) 생리(生理), 생태(生態)에 관(關)한 연구(硏究) I. 토양중(土壤中) 비소(砒素)의 형태(形態)와 현미중(玄米中) 비소함량(砒素含量)과의 관계(關係)" 한국환경농학회지 = Korean journal of environmental agriculture 5 (1): 35~42    
    9. 1986 "답토양(畓土壤)에서 수도(水稻)의 Strontium-90 흡수(吸收)와 수도체내(水稻體內) 분포(分布)" 한국환경농학회지 = Korean journal of environmental agriculture 5 (1): 48~54    
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