Engineering Concepts for Bioretention Facilities - Rutgers ...
Engineering Concepts for Bioretention Facilities - Rutgers ...
Engineering Concepts for Bioretention Facilities - Rutgers ...
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Treatment Processes of <strong>Bioretention</strong><br />
• Settling/Filtration<br />
<br />
<br />
Stokes’ Law<br />
Added benefit of dense vegetation and check dams<br />
• Sorption – <strong>Bioretention</strong> Media<br />
<br />
<br />
<br />
Absorption<br />
Adsorption<br />
Precipitation<br />
• Trans<strong>for</strong>mation<br />
<br />
<br />
ii i <strong>Bioretention</strong> Treatment Efficiencies:<br />
Bioremediation<br />
Phytoremediation<br />
Pollutant<br />
% Removal<br />
Suspended Solids 90%<br />
Total Phosphorus 70% to 83%<br />
Total Nitrogen 68% to 80%<br />
BOD 60% to 80%<br />
Lead 93% to 98%<br />
Zinc 93% to 98%<br />
Hydrocarbons 90%
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