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The Resource Phytoforensics tools : The degradation and detection of chlorinated solvents in integrated systems, by Tommy J. Goodwin, Jr

Phytoforensics tools : The degradation and detection of chlorinated solvents in integrated systems, by Tommy J. Goodwin, Jr

Creator
Author
Summary
"Due to decades of mismanaged pollutants entering groundwater, subsurface pollution of various compounds has become a widespread challenge. Chlorinated solvents are the most common groundwater contaminants that persist in aquifers, and remediation of these wide-spread plumes is difficult. Bioremediation, permeable reactive barriers, and phytoremediation are remedial technologies that have been developed and applied to chlorinated solvents in groundwater systems. This study integrates these technologies in different combinations to demonstrate the remediation potential of this approach. Zerovalent iron (ZVI) and bioaugmentation with a Dehalococcoides sp. (DHC) culture were applied separately and in combination for degradation of perchloroethene (PCE). Salix pentandra were planted in reactors and concurrently served as monitoring tools. Characteristics studied between reactor combinations included plant health, contaminant degradation rates, and water uptake. By creating an area of lower water potential, trees direct groundwater flow through the reactive zone and uptake the contaminated groundwater after contaminant degradation. Classroom experiential learning of this study was implemented to introduce phytoforensics to students. ZVI and DHC showed degradation of up to 92.0% and 99.3% reduction of PCE, respectively. Combined, ZVI and DHC increased PCE concentration reduction to 99.7%. Dichloroethene (DCE) was only found in all reactors containing DHC, but in no reactors without DHC. Plant sampling was shown to reveal degradation profiles and offer a low impact, low cost approach to monitoring PCE degradation processes in the subsurface. The degradation of PCE by DHC and ZVI was shown to occur through phytoforensics, and the specific mechanism was elucidated"--Abstract, page iv
Language
eng
Work
Publication
Extent
1 online resource (xiii, 115 pages)
Note
  • Vita
  • This thesis contains one paper for publication
Instance
Label
Phytoforensics tools : The degradation and detection of chlorinated solvents in integrated systems
Title
Phytoforensics tools
Title remainder
The degradation and detection of chlorinated solvents in integrated systems
Statement of responsibility
by Tommy J. Goodwin, Jr
Creator
Author
Subject
Language
eng
Summary
"Due to decades of mismanaged pollutants entering groundwater, subsurface pollution of various compounds has become a widespread challenge. Chlorinated solvents are the most common groundwater contaminants that persist in aquifers, and remediation of these wide-spread plumes is difficult. Bioremediation, permeable reactive barriers, and phytoremediation are remedial technologies that have been developed and applied to chlorinated solvents in groundwater systems. This study integrates these technologies in different combinations to demonstrate the remediation potential of this approach. Zerovalent iron (ZVI) and bioaugmentation with a Dehalococcoides sp. (DHC) culture were applied separately and in combination for degradation of perchloroethene (PCE). Salix pentandra were planted in reactors and concurrently served as monitoring tools. Characteristics studied between reactor combinations included plant health, contaminant degradation rates, and water uptake. By creating an area of lower water potential, trees direct groundwater flow through the reactive zone and uptake the contaminated groundwater after contaminant degradation. Classroom experiential learning of this study was implemented to introduce phytoforensics to students. ZVI and DHC showed degradation of up to 92.0% and 99.3% reduction of PCE, respectively. Combined, ZVI and DHC increased PCE concentration reduction to 99.7%. Dichloroethene (DCE) was only found in all reactors containing DHC, but in no reactors without DHC. Plant sampling was shown to reveal degradation profiles and offer a low impact, low cost approach to monitoring PCE degradation processes in the subsurface. The degradation of PCE by DHC and ZVI was shown to occur through phytoforensics, and the specific mechanism was elucidated"--Abstract, page iv
Related
Member of
Cataloging source
UMR
http://library.link/vocab/creatorDate
1991-
http://library.link/vocab/creatorName
Goodwin, Tommy J.
Degree
M.S.
Dissertation year
2016
Funding information
Supported by National Science Foundation (U.S.)
Granting institution
Missouri University of Science and Technology
Illustrations
illustrations
Index
no index present
Literary form
non fiction
Nature of contents
  • dictionaries
  • bibliography
  • theses
http://library.link/vocab/subjectName
  • Chlorination
  • Groundwater
  • Environmental toxicology
Label
Phytoforensics tools : The degradation and detection of chlorinated solvents in integrated systems, by Tommy J. Goodwin, Jr
Instantiates
Publication
Note
  • Vita
  • This thesis contains one paper for publication
Bibliography note
Includes bibliographic references
Carrier category
online resource
Carrier category code
  • cr
Carrier MARC source
rdacarrier
Content category
text
Content type code
  • txt
Content type MARC source
rdacontent
Control code
952593621
Extent
1 online resource (xiii, 115 pages)
Form of item
online
Governing access note
These materials are protected under copyright by the original author
Media category
computer
Media MARC source
rdamedia
Media type code
  • c
Other physical details
illustrations.
Specific material designation
remote
System control number
(OCoLC)952593621
Label
Phytoforensics tools : The degradation and detection of chlorinated solvents in integrated systems, by Tommy J. Goodwin, Jr
Publication
Note
  • Vita
  • This thesis contains one paper for publication
Bibliography note
Includes bibliographic references
Carrier category
online resource
Carrier category code
  • cr
Carrier MARC source
rdacarrier
Content category
text
Content type code
  • txt
Content type MARC source
rdacontent
Control code
952593621
Extent
1 online resource (xiii, 115 pages)
Form of item
online
Governing access note
These materials are protected under copyright by the original author
Media category
computer
Media MARC source
rdamedia
Media type code
  • c
Other physical details
illustrations.
Specific material designation
remote
System control number
(OCoLC)952593621

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