지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2012.12
- 수록면
- 185 - 190 (6page)
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초록· 키워드
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Rejection characteristics of perchlorate (ClO₄ -) were examined for commercially available reverse osmosis (RO) and nanofiltration (NF) membranes. A bench-scale dead-end stirred-cell filtration system was employed to determine the toxic ion rejection and the membrane flux. Model water solutions were used to prepare ClO₄- solutions (approximately, 1,000 ug/L) in the presence of background salts (NaCl, Na₂SO₄, and CaCl₂) at various pH values (3.5, 7, and 9.5) and solution ionic strengths (0.001, 0.01, and 0.01 M NaCl) in the presence of natural organic matter (NOM). Rejection by the membranes increased with increasing solution pH owing to increasingly negative membrane charge. In addition, the rejection of the target ion by the membranes increased with increasing solution ionic strength. The rejection of ClO₄- was consistently higher for the RO membrane than for the NF membrane and ClO₄ - rejection followed the order CaCl₂ < NaCl < Na₂SO₄ at conditions of constant pH and ionic strength for both the RO and NF membranes. The possible influence of NOM on ClO₄- rejection by the membranes was also explored
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참고문헌 (35)
참고문헌 신청
1. [학술지(정기간행물)] - Rajagopalan S / 2006 / Widespread presence of naturally occurring perchlorate in high plains of Texas and New Mexico / Environ. Sci. Technol 40 : 3156 ~ 3162
2. [학술지(정기간행물)] - Kannan K / 2009 / Occurrence of perchlorate in drinking water, groundwater, surface water and human saliva from India / Chemosphere 76 : 22 ~ 26
3. [학술지(정기간행물)] - Wagner HP / 2007 / Selective method for the analysis of perchlorate in drinking waters at nanogram per liter levels, using two-dimensional ion chromatography with suppressed conductivity detection / J. Chromatogr. A 1155 : 15 ~ 21
4. [학술지(정기간행물)] - Asami A / 2009 / Occurrence of chlorate and perchlorate in bottled beverages in Japan / J. Health Sci 55 : 549 ~ 553
5. [학술지(정기간행물)] - Crawford-Brown D / 2006 / Intersubject variability of risk from perchlorate in community water supplies / Environ. Health Perspect 114 : 975 ~ 979
2. [학술지(정기간행물)] - Kannan K / 2009 / Occurrence of perchlorate in drinking water, groundwater, surface water and human saliva from India / Chemosphere 76 : 22 ~ 26
3. [학술지(정기간행물)] - Wagner HP / 2007 / Selective method for the analysis of perchlorate in drinking waters at nanogram per liter levels, using two-dimensional ion chromatography with suppressed conductivity detection / J. Chromatogr. A 1155 : 15 ~ 21
4. [학술지(정기간행물)] - Asami A / 2009 / Occurrence of chlorate and perchlorate in bottled beverages in Japan / J. Health Sci 55 : 549 ~ 553
5. [학술지(정기간행물)] - Crawford-Brown D / 2006 / Intersubject variability of risk from perchlorate in community water supplies / Environ. Health Perspect 114 : 975 ~ 979
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UCI(KEPA) : I410-ECN-0101-2017-539-001538400