碩士 / 國立成功大學 / 資源工程學系碩博士班 / 97 / A nonsteady-state model is presented and used in simulating the results of in-situ pilot experiments where trichloroethylene (TCE) was cometabolically degraded by toluene-utilizing bacteria. The model includes microbial processes of microbial growth, metabolism of the primary substrate (toluene), and the cometabolic transformation of TCE with the transport processes of advection, dispersion, and sorption onto the aquifer solids. Model simulations of TCE removal agreed well with the pilot observations. The first-order constant of TCE-biodegradation rate was around 0.2 to 0.3 L/mg-day derived from model fits to the pilot observations. The model was useful in distinguishing the TCE removals contributed by biodegradation and sorption processes, respectively. While sorption was the controlling process at the beginning, the cometabolic transformation process eventually became dominant for TCE removal after establishing a
toluene-degrading consortium.
| Identifer | oai:union.ndltd.org:TW/097NCKU5397032 |
| Date | January 2009 |
| Creators | Jian-yuan Su, 蘇建元 |
| Contributors | Ming-Ching Tom Kuo, 郭明錦 |
| Source Sets | National Digital Library of Theses and Dissertations in Taiwan |
| Language | zh-TW |
| Detected Language | English |
| Type | 學位論文 ; thesis |
| Format | 53 |
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