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토착균주 활성화를 위한 산소발생제 MgO2투입에 의한 연안저질의 이화학적 성분 변화 관찰Enviro-Chemical Changes in Shoreline Sediment by MgO2 for Enhancement of Indigenous Microbial Activity
- Other Titles
- Enviro-Chemical Changes in Shoreline Sediment by MgO2 for Enhancement of Indigenous Microbial Activity
- Issue Date
- 2010
- Publisher
- 한국환경과학회
- Keywords
- Sediment; Oxidizing agent; Total petroleum hydrocarbon; Magnesium peroxide; Biostimulation
- Citation
- 한국환경과학회지, v.19, no.5, pp.617 - 625
- Journal Title
- 한국환경과학회지
- Volume
- 19
- Number
- 5
- Start Page
- 617
- End Page
- 625
- ISSN
- 1225-4517
- Abstract
- Rapid industrialization has brought Nam-Hae area serious environmental problems associated with released oil and other hydrocarbons. In this work, in order to enhance the quality of the shoreline sediment we made enviro-chemical analyses of its substances, TPHs and microbial growth after treating with oxygen releasing compound(ORC) such as MgO2. Total organic compound(TOC) was reduced from 33.45% to 25.1∼31.08% meanwhile COD decreased from 27.5∼28.9mg/g·dry to 19.9∼26.1mg/g·dry for input of 2∼10% MgO2 in 20days. For 10% MgO2 input, TP and TN were reduced by 13.3% and 18.8%, respectively. Most of all TPH was decomposed by max. 42.4% in 21days, and the total viable count of microbes was found to be exponentially increased by 75.9%.
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Related Researcher
- Cho, Dae chul
- College of Engineering (Department of Energy and Environmental Engineering)