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

页码：231 / 232

页数：2

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