نتایج جستجو برای: remediation of contaminated soil
تعداد نتایج: 21187497 فیلتر نتایج به سال:
The eco-toxicological indicators used to evaluate soil quality complement the physico-chemical criteria employed in contaminated site remediation, but their cost, time, sophisticated analytical methods and in-situ inapplicability pose a major challenge to rapidly detect and map the extent of soil contamination. This paper describes a sensor-based approach for measuring potential (substrate-indu...
Owing to its toxic nature and relative abundance, arsenic is a common contaminant of concern in environmental cleanup. Arsenic is identified as a constituent of concern at 728 National Priorities List (NPL) sites as of fiscal year 1998, and arsenic in soil is specifically identified at 32 percent of these sites (Fiedler, 2001). Exposure to arsenic has been linked to a variety of cancers, cardio...
BACKGROUND Assessment of soil arsenic (As) bioavailability may profoundly affect the extent of remediation required at contaminated sites by improving human exposure estimates. Because small adjustments in soil As bioavailability estimates can significantly alter risk assessments and remediation goals, convenient, rapid, reliable, and inexpensive tools are needed to determine soil As bioavailab...
Phytoremediation models are important to understand the processes governing phytoremediation and the management of contaminated soils. Little effort has been made for evaluating the potential of the phytoremediation of metals based on the mathematical models. Therefore, the purpose of this study was modeling the phytoremediation of the nickel-contaminated soils. For this purpose, a model was re...
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