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Extramural Research

Grantee Research Project Results

Grantee Research Project Results

Mechanisms of Phytoremediation and Constructed Wetlands Engineering

EPA Grant Number: U915661
Title: Mechanisms of Phytoremediation and Constructed Wetlands Engineering
Investigators: Bondehagen, Diane L.
Institution: Florida International University
EPA Project Officer: Broadway, Virginia
Project Period: September 1, 1999 through May 1, 2001
Project Amount: $55,947
RFA: STAR Graduate Fellowships (1999)
Research Category: Fellowship - Environmental Engineering , Engineering and Environmental Chemistry , Academic Fellowships



The objectives of this research project are to: (1) demonstrate and quantify the potential of aquatic plants in assimilating nutrients, metals, and toxic organics, while considering the engineering management of constructed wetlands.; The goal is to(2) address the diversity and complexity of technical issues involved including geochemistry, biology, and hydrogeology,; and through field work(3) demonstrate empirical and theoretical aspects of cost-effective wetlands engineering through field work.


The research plan will involve both laboratory/ and bench-scale microcosms, as well as field-scale mesocosms, to investigate phytoremediation pollutant removal mechanisms, and assess process efficiencies. In order tTo obtain a correct and effective interpretation of biomonitoring results, several studies will be conducted to determine uptake/release kinetics. Environmental factors including illumination, temperature, and other physiochemical characteristics will be analyzed. A mass balance approach will be used to determine removal amounts;, and harvesting rates and loading will be monitored and examined.

Supplemental Keywords:

fellowship, Cconstructed wetlands, phytoremediation., RFA, Scientific Discipline, INTERNATIONAL COOPERATION, Waste, Water, TREATMENT/CONTROL, Contaminated Sediments, Treatment Technologies, Microbiology, Analytical Chemistry, Civil/Environmental Engineering, Environmental Microbiology, Hazardous Waste, Bioremediation, Molecular Biology/Genetics, Hazardous, degradation, microbial degradation, wetland vegetation, bioavailability, biodegradation, contaminated sediment, contaminated soil, aquatic plants, contaminants in soil, bioremediation of soils, natural recovery, wetland sediments, biochemistry, chlorinated organics, phytoremediation

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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoints of the principal investigator and may not represent the views and policies of ORD and EPA. Conclusions drawn by the principal investigators have not been reviewed by the Agency.

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