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논문 기본 정보

자료유형
학술저널
저자정보
이지영 (경상대학교) 김은혜 (경상대학교) 박태웅 (경상대학교) 조해민 (경상대학교) 김철환 (경상대학교) 전준표 (한국원자력연구원)
저널정보
한국펄프·종이공학회 펄프·종이기술 펄프·종이기술 제49권 제3호(통권 제176호)
발행연도
2017.6
수록면
95 - 101 (7page)
DOI
10.7584/JKTAPPI.2017.06.49.3.95

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초록· 키워드

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Many studies have shown that CNFs are useful for the production of sheet-type materials, including film, filters, and so on. There are many advantages to the use of CNFs in the filter industry, however, filters made from only CNFs cannot be widely used as water treatment filters, due to their hydrophilic behavior. As a result, a new design of CNF water treatment filters must be developed. In this study, we made a metal ion adsorbing filter made from two types of CNFs: chemically untreated CNF and carboxymethylated CNF. The new CNF filter was composed of two layers; the top layer was made from CNF with PAE, and the bottom layer was made from carboxymethylated CNF. The role of the top layer of the CNF filter was to improve the wet strength of the CNF filter and the bottom layer was designed to adsorb metal ions due to the high negative zeta-potential of carboxymethylation. The CNF filter was produced by vacuum filtration and the use of two types of CNF slurries. Also, the capacity to remove Fe ions from water was analyzed by high pressure filtration experiments with a 1,000 ppm concentration of the Fe standard solution. The CNF filter removed Fe ions in the water by adsorbing them, and it did not break during the high pressure filtration experiments. Therefore, we concluded that the new CNF filter can be used as a filter for the removal of heavy metal ions in water.

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ABSTRACT
1. 서론
2. 재료 및 방법
3. 결과 및 고찰
4. 결론
Literature Cited

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