Biodegradation of airplane de-icing fluids under simulated aquifer conditions

被引：0
|
作者：
Bielefeldt, AR [1 ]
Grant, M [1 ]
Butler, T [1 ]
Illangasekare, TH [1 ]
机构：
[1] Univ Colorado, Dept Civil & Environm Engn, Boulder, CO 80309 USA
来源：
GROUNDWATER 2000 | 2000年
关键词：
biodegradation; contamination; deicers;
D O I：
暂无
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Fate of aircraft de-icing fluid (ADF) and propylene glycol when introduced into saturated soils was studied. Bacteria degraded the ADF primary constituent Propylene glycol (PG) and bio-growth significantly reduced hydraulic conductivity (K). Value of K dropped steadily by 1 to 3 orders of magnitude until reaching a steady-state. The biomass growth changed the dispersivity significantly. High concentrations of ADF were found to inhibit bacterial growth, and very little PG degradation. Tests were also conducted in a larger 2-dimensional tank in order to determine the effects of scale and localized biogrowth.
引用
收藏
页码：231 / 232
页数：2
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