| 학회 |
한국화학공학회 |
| 학술대회 |
2009년 봄 (04/23 ~ 04/24, 광주 김대중컨벤션센터) |
| 권호 |
15권 1호, p.595 |
| 발표분야 |
환경 |
| 제목 |
Nonionic surfactant enhanced flushing of contaminated sands by chlorinated solvents in one dimensional column |
| 초록 |
The surfactant flushing in the sand columns was performed with octylphenol ethoxylated (TX series) nonionic surfactants. The removal of TCE by TX surfactants was affected by the surfactant hydrophobicity and surfactant of high HLB number caused the mobilization of TCE. In case of PCE, the solubilization was a main removal mechanism for all tested surfactants. WhenNAPL was multiple components consisted of TCE and PCE, the solubilization ofNAPL was influenced by mass transfer limitation. If the desired removal process of NAPL is solubilization, there is an option as results of column experiments. One thing is the introducing of high HLB surfactant in first stage. After that, the lower HLB surfactant is injected. At that time surfactant molecules are partitioned between water and NAPL, the effect of hydrophobic surfactant is minimized. |
| 저자 |
양중석1, 백기태2, 권태순3, 양지원4
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| 소속 |
1한국과학기술(연), 2금오공과대, 3철도기술(연), 4KAIST |
| 키워드 |
chlorinated solvents; surfactant; soil; TCE; PCE
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| E-Mail |
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| 원문파일 |
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