A DEVICE FOR INSITU DETERMINATION OF GEOCHEMICAL TRANSPORT PARAMETERS .2. BIOCHEMICAL REACTIONS

被引：55

作者：

GILLHAM, RW

STARR, RC

MILLER, DJ

机构：

[1] Waterloo Centre for Groundwater Research, Department of Earth Sciences, University of Waterloo, Waterloo, Ontario

[2] Atlanta, Georgia

来源：

GROUND WATER | 1990年 / 28卷 / 06期

关键词：

In Situ Microcosm (ISM) - Winkler Titration;

D O I：

10.1111/j.1745-6584.1990.tb01720.x

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

Chemical and biological reaction rates are required in estimating migration rates of many reactive contaminants in ground water, and as input data for mathematical models. Reaction rates must be measured, and depend on environmental conditions that are often difficult to duplicate in the laboratory. In situ rate measurement minimizes the difficulties of controlling environmental variables such as temperature, pH, Eh, DO, solution and solid phase composition, and bacterial population. The instrument described in this paper isolates a 1.9 liter portion of an aquifer for in situ biochemical rate measurement. The device has been used successfully to measure the rate of reactions involving inorganic and organic contaminants in sandy aquifers. Two applications of the device, measurement of denitrification rates and rates of biodegradation of benzene, are presented. Copyright © 1990, Wiley Blackwell. All rights reserved

引用

页码：858 / 862

页数：5

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