Changing Environment Urban Contaminants of Concern ◦ Heavy Metals ◦ Polycyclic Aromatic...
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Transcript of Changing Environment Urban Contaminants of Concern ◦ Heavy Metals ◦ Polycyclic Aromatic...
![Page 1: Changing Environment Urban Contaminants of Concern ◦ Heavy Metals ◦ Polycyclic Aromatic Hydrocarbons (PAHs) In Situ Remediation ◦ Mechanisms ◦ Influencing.](https://reader036.fdocuments.us/reader036/viewer/2022062301/56649f325503460f94c4dc2e/html5/thumbnails/1.jpg)
The Use of Natural Drainage Systems for Pollutant
Collection and Remediation in Urban Areas
![Page 2: Changing Environment Urban Contaminants of Concern ◦ Heavy Metals ◦ Polycyclic Aromatic Hydrocarbons (PAHs) In Situ Remediation ◦ Mechanisms ◦ Influencing.](https://reader036.fdocuments.us/reader036/viewer/2022062301/56649f325503460f94c4dc2e/html5/thumbnails/2.jpg)
Changing Environment
Urban Contaminants of Concern◦ Heavy Metals◦ Polycyclic Aromatic Hydrocarbons (PAHs)
In Situ Remediation◦ Mechanisms ◦ Influencing Factors
Conclusions
Overview
![Page 3: Changing Environment Urban Contaminants of Concern ◦ Heavy Metals ◦ Polycyclic Aromatic Hydrocarbons (PAHs) In Situ Remediation ◦ Mechanisms ◦ Influencing.](https://reader036.fdocuments.us/reader036/viewer/2022062301/56649f325503460f94c4dc2e/html5/thumbnails/3.jpg)
Increasing urban/suburban development
◦ Transportation
◦ Impermeable area
◦ Water management
◦ Soil contamination
Changing Environment
![Page 4: Changing Environment Urban Contaminants of Concern ◦ Heavy Metals ◦ Polycyclic Aromatic Hydrocarbons (PAHs) In Situ Remediation ◦ Mechanisms ◦ Influencing.](https://reader036.fdocuments.us/reader036/viewer/2022062301/56649f325503460f94c4dc2e/html5/thumbnails/4.jpg)
Heavy Metals
◦ Pb, Mn, Cu, Zn◦ Sources
Polycyclic Aromatic Hydrocarbons
◦ High/Low molecular weight◦ Sources
Urban Contaminants of Concern
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PAH Mechanisms
◦ Rhizospheric Biodegradation
◦ Phytodegradation
◦ Phytoaccumulation
◦ Phytostabilization
Heavy Metal Mechanisms
◦ Phytoaccumulation
In Situ Remediation
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Retention Time◦ Soil profile◦ Plant selection
Climatic Considerations◦ Plant selection◦ Loading rate
Long Term Effects
Factors Influencing Performance of Natural Drainage Systems
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Sustainable Infrastructure Need for Long Term Studies
Conclusion