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논문 기본정보
자성체 이온교환수지(MIEX?)를 이용한 수중의 과불화화합물(PFCs) 제거 특성
논문 개요
| 기관명 | NDSL |
|---|---|
| 저널명 | Journal of environmental science international = 한국환경과학회지 |
| ISSN | 1225-4517,2287-3503 |
| ISBN |
논문저자 및 소속기관 정보
| 저자(한글) | 손희종,염훈식,김경아,유상원,권기원 |
|---|---|
| 저자(영문) | |
| 소속기관 | |
| 소속기관(영문) | |
| 출판인 | |
| 간행물 번호 | |
| 발행연도 | 2013-01-01 |
| 초록 | Perfluorooctanoic acid (PFOA) and perfluorooctyl sulfonate (PFOS) is a new persistent organic pollutants of substantial environmental concern. This study investigated the potential of magnetic ion exchange resin (MIEX $^{(R)}$ ) as the adsorbent for the removal of PFOA and PFOS from Nakdong River water. In our batch experiments, we studied the effect of some parameters (pH, temperature, sulfate concentration) on the removal of PFOA and PFOS. The results of sorption kinetics on MIEX $^{(R)}$ show that it takes 90 min to reach equilibrium but the economical contact time and dosage were 30 min and 10 mL/L. An increase in pH (pH 6~10) leads to a decrease in PFOA (2.0%) and PFOS (3.6%) sorption on MIEX $^{(R)}$ . The sorption of both PFOA and PFOS decreases with an increase in ionic strength for sulfate ion ( ${SO_4}^{2-}$ ), due to the competition phenomenon. An increase in water temperature ( $8^{ circ}C{ sim}28^{ circ}C$ ) in water leads to a increase in PFOA (2.8%) and PFOS (4.3%) sorption on MIEX $^{(R)}$ . Based on the sorption behaviors and characteristics of the adsorbents and adsorbates, ion exchange and hydrophobic interaction were deduced to be involved in the sorption, and hemi-micelles possibly formed in the intraparticle pores. |
| 원문URL | http://click.ndsl.kr/servlet/OpenAPIDetailView?keyValue=03553784&target=NART&cn=JAKO201326940562976 |
| 첨부파일 |
추가정보
| 과학기술표준분류 | |
|---|---|
| ICT 기술분류 | |
| DDC 분류 | |
| 주제어 (키워드) | Perfluorinated compounds (PFCs),Magnetic ion exchange resin (MIEX lt,TEX gt,$^{(R)}$ lt,/TEX gt,),pH,Water temperature,Sulfate ion |