자생하는 미생물의 활성을 촉진시킴으로써 오염된 연안퇴적물을 현장생물정화하기 위하여 사용하는 미생물활성촉진제의 용출특성에 대한 연구를 수행하였다. 미생물의 생리활성을 촉진하...
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https://www.riss.kr/link?id=A100039078
우정희 (한국해양대학교) ; 송영채 (한국해양대학교) ; Palaninaicker Senthilkumar
2014
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미생물활성촉진제 ; 해양저질 ; 고분자코팅 ; 용출율 ; Biostimulating agent ; Coastal sediment ; Polymer coating ; elution rate
500
KCI등재
학술저널
239-246(8쪽)
3
0
상세조회0
다운로드국문 초록 (Abstract)
자생하는 미생물의 활성을 촉진시킴으로써 오염된 연안퇴적물을 현장생물정화하기 위하여 사용하는 미생물활성촉진제의 용출특성에 대한 연구를 수행하였다. 미생물의 생리활성을 촉진하...
자생하는 미생물의 활성을 촉진시킴으로써 오염된 연안퇴적물을 현장생물정화하기 위하여 사용하는 미생물활성촉진제의 용출특성에 대한 연구를 수행하였다. 미생물의 생리활성을 촉진하는 황산염, 질산염을 오염되지 않은 연안퇴적물과 혼합하였으며, 혼합물을 볼 형태로 만든 뒤 셀룰로스 아세테이트 및 폴리설펀으로 각각 표면을 코팅하여 볼 형태의 미생물활성촉진제 2종을 제작하였다. 또한, 황산염과 질산염이 용해된 생리활성물질 용액에 입상활성탄을 침지시켜 입자상 미생물활성촉진제를 별도로 준비하였다. 셀룰로스 아세테이트로 코팅한 미생물활성촉진제를 전자현미경으로 관찰한 결과 코팅층 내부는 다소 큰 공극이 불규칙적으로 존재하였으나 코팅층 외부는 촘촘한 벌집모양의 공극들이 분포되어있었다. 폴리설펀으로 코팅한 미생물활성촉진제의 경우는 코팅층의 내부와 외부 모두 공극이 없는 치밀한 구조를 보였다. 셀룰로스아세테이트로 코팅한 미생물활성촉진제의 생리활성물질 용출율은 폴리설펀으로 코팅한 미생물활성촉진제에 비해 증류수와 해수에서 모두 높았으며, 입자상 미생물활성촉진제로부터의 생리활성물질의 용출율은 폴리설펀으로 코팅한 미생물활성촉진제에 비해 약 9배 이상 높았다. 미생물활성촉진제로부터 생리활성물질들의 용출속도는 정체조건에 비해 난류조건에서 약 3배 이상 빠른 것으로 평가되었으며, 생리활성물질들 중에서 질산염은 황산염에 비해 빠르게 용출되는 특성을 보였다.
다국어 초록 (Multilingual Abstract)
A study on the elution characteristics of biostimulating agents (sulfate and nitrate) from biostimulants which are used for in-situ bioremediation for the coastal sediment contaminated with organic matter was performed. The biostimulating agents were ...
A study on the elution characteristics of biostimulating agents (sulfate and nitrate) from biostimulants which are used for in-situ bioremediation for the coastal sediment contaminated with organic matter was performed. The biostimulating agents were mixed with the coastal sediment, and then massed the mixture into ball. Two kinds of ball type biostimulant were prepared by coating the ball surface with two different polymers, cellulose acetate and polysulfone. A granular type biostimulant (GTB) was also prepared by impregnating a granular activated carbon in the biostimulating agent solution. The image of scanning electron microscopy for the biostimulant coated with cellulose acetate (CAB) showed that the inner side of the coating layer consisted of irregular and bigger size of pores, and the surface layer had tight structure like beehive. For the biostimulant coated with polyfulfone (PSB), the whole coating layer had a fine structure without pore. The elution rate of the biostimulating agents for the CAB was higher than that for the PSB, and the elution rate for the GTB was considerably higher than that for the PSB in distilled water as well as in sea water. The elution rate of the biostimulating agents in turbulent water flow was about 3 times higher than that in standing water, and the elution rate of nitrate was higher than that of sulfate from the stimulating agents.
목차 (Table of Contents)
참고문헌 (Reference)
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1 송영채, "해양오염저질내 자생미생물의 성장활성에 대한 영향성 평가" 한국해양환경공학회 49-50, 2013
2 Hughes, J. B., "Utilization of bioremediation processes for the treatment of PHA contaminated sediments" 18 : 152-160, 1997
3 Tomaszewska, M., "Use of polysulfone in controlled-release NPK fertilizer formulations" 50 (50): 4634-4639, 2002
4 Cheryan, M., "Ultrafiltration and microfiltration handbook" Technomic Publishing Co 41-50, 1998
5 U. S. EPA, "The Contaminated Sediment Remediation Guidance for Hazardous Waste Sites" U.S. Environmental Protection Agency 2005
6 American Public Health Association, "Standard methods for the examination of waste and wastewater" APHA, AWWA 2-56, 2005
7 Tessier, A., "Sequential extraction procedure for the speciation of particulate trace metals" 51 (51): 844-851, 1979
8 Forstner, U., "Sediment remediation: U.S. Focus on capping and monitored natural recovery" 7 (7): 351-358, 2007
9 Lovley, D. R., "Oxidation of aromatic contaminants coupled to microbial iron reduction" 339 (339): 297-300, 1989
10 Ocean Chemical Processes, "Ocean Chemical Processes(2014), Retrieved December 2"
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18 Mohan, R. K., "Design criteria and theoretical basis for capping contaminated marine sediments" 22 (22): 85-93, 2000
19 Jarosiwicz, A., "Controlled-release NPK fertilizer encapsulated by polymeric membranes" 51 (51): 413-417, 2003
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21 Rabus, R., "Complete oxidation of toluene under strictly anoxic conditions by a new sulfate-reducing bacterium" 59 (59): 1444-1451, 1993
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The STCW Manila Amendments and its Challenges to the Far East
Development of Safety Index for Evaluation of Ship Navigation
해상교통관제해역 내 효과적 경로교환 체계 도입에 관한 연구
학술지 이력
연월일 | 이력구분 | 이력상세 | 등재구분 |
---|---|---|---|
2026 | 평가예정 | 재인증평가 신청대상 (재인증) | |
2020-01-01 | 평가 | 등재학술지 유지 (재인증) | ![]() |
2017-01-01 | 평가 | 등재학술지 유지 (계속평가) | ![]() |
2013-01-01 | 평가 | 등재 1차 FAIL (등재유지) | ![]() |
2010-01-01 | 평가 | 등재학술지 유지 (등재유지) | ![]() |
2008-01-01 | 평가 | 등재학술지 유지 (등재유지) | ![]() |
2006-01-01 | 평가 | 등재학술지 유지 (등재유지) | ![]() |
2003-01-01 | 평가 | 등재학술지 선정 (등재후보2차) | ![]() |
2001-01-01 | 평가 | 등재후보학술지 선정 (신규평가) | ![]() |
학술지 인용정보
기준연도 | WOS-KCI 통합IF(2년) | KCIF(2년) | KCIF(3년) |
---|---|---|---|
2016 | 0.52 | 0.52 | 0.48 |
KCIF(4년) | KCIF(5년) | 중심성지수(3년) | 즉시성지수 |
0.44 | 0.4 | 0.685 | 0.16 |