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Minnesota Stormwater Manual

Difference between revisions of "Engineered (bioretention) media amendments material properties and specifications"

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<tr>
 
<tr>
 
<th>Property</th>
 
<th>Property</th>
−
<th>[https://stormwater.pca.state.mn.us/index.php?title=Biochar_and_applications_of_biochar_in_stormwater_management Biochar]</th>
 
−
<th>[https://stormwater.pca.state.mn.us/index.php?title=Coir_and_applications_of_coir_in_stormwater_management Coir]</th>
 
 
<th>Water treatment residuals<sup>1</sup></th>
 
<th>Water treatment residuals<sup>1</sup></th>
 
<th>Spent lime</th>
 
<th>Spent lime</th>
−
<th>Compost</th>
 
−
<th>Peat</th>
 
 
<th>Iron</th>
 
<th>Iron</th>
−
<th>Wood chips</th>
+
<th>Expanded lime</th>
 +
<th>Expanded aluminum</th>
 +
<th>Taconite</th>
 
</tr>
 
</tr>
 
<tr>
 
<tr>
 
<td>Phosphorus leaching</td>
 
<td>Phosphorus leaching</td>
−
<td>No</td>
 
−
<td>No to slight</td>
 
 
<td></td>
 
<td></td>
 
<td></td>
 
<td></td>
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<tr>
 
<tr>
 
<td>Phosphorus retention</td>
 
<td>Phosphorus retention</td>
−
<td>No to slight</td>
 
−
<td>No</td>
 
 
<td></td>
 
<td></td>
 
<td></td>
 
<td></td>
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<tr>
 
<tr>
 
<td>Handling concerns</td>
 
<td>Handling concerns</td>
−
<td>Potential explosive concerns in closed space situations; volatile compounds (depending on pyrolysis temperature)</td>
 
−
<td>Dust</td>
 
 
<td></td>
 
<td></td>
 
<td></td>
 
<td></td>
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<tr>
 
<tr>
 
<td>Soil hydraulic properties</td>
 
<td>Soil hydraulic properties</td>
−
<td>Significant improvement</td>
 
−
<td>Significant improvement</td>
 
 
<td></td>
 
<td></td>
 
<td></td>
 
<td></td>
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<tr>
 
<tr>
 
<td>Soil physical properties</td>
 
<td>Soil physical properties</td>
−
<td>Significant improvement</td>
 
−
<td>Moderate improvement</td>
 
 
<td></td>
 
<td></td>
 
<td></td>
 
<td></td>
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<tr>
 
<tr>
 
<td>Plant effects</td>
 
<td>Plant effects</td>
−
<td>Beneficial but varies with feedstock</td>
 
−
<td>Beneficial</td>
 
 
<td></td>
 
<td></td>
 
<td></td>
 
<td></td>
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<tr>
 
<tr>
 
<td>Availability</td>
 
<td>Availability</td>
−
<td>Multiple distributors</td>
 
−
<td>Widely available</td>
 
 
<td></td>
 
<td></td>
 
<td></td>
 
<td></td>
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<tr>
 
<tr>
 
<td>Specifications available</td>
 
<td>Specifications available</td>
−
<td>Limited due to variability with feedstocks</td>
 
−
<td>Yes</td>
 
 
<td></td>
 
<td></td>
 
<td></td>
 
<td></td>
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<tr>
 
<tr>
 
<td>Cost</td>
 
<td>Cost</td>
−
<td></td>
 
−
<td></td>
 
 
<td></td>
 
<td></td>
 
<td></td>
 
<td></td>
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<tr>
 
<tr>
 
<td>Research needs</td>
 
<td>Research needs</td>
−
<td>Feedstocks suitable for stormwater applications</td>
 
−
<td>Phosphorus fate in stormwater applications</td>
 
 
<td></td>
 
<td></td>
 
<td></td>
 
<td></td>
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<tr>
 
<tr>
 
<td>Applications</td>
 
<td>Applications</td>
−
<td>[https://stormwater.pca.state.mn.us/index.php?title=Potential_biochar_stormwater_applications]</td>
 
−
<td>[https://stormwater.pca.state.mn.us/index.php?title=Coir_and_applications_of_coir_in_stormwater_management#Applications_for_coir_in_stormwater_management]</td>
 
 
<td></td>
 
<td></td>
 
<td></td>
 
<td></td>
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<tr>
 
<tr>
 
<td>Chemical and physical properties</td>
 
<td>Chemical and physical properties</td>
−
<td>[https://stormwater.pca.state.mn.us/index.php?title=Chemical_and_physical_properties_of_biochar]</td>
 
−
<td>[https://stormwater.pca.state.mn.us/index.php?title=Chemical_and_physical_properties_of_coir]</td>
 
 
<td></td>
 
<td></td>
 
<td></td>
 
<td></td>
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<tr>
 
<tr>
 
<td>Sustainability</td>
 
<td>Sustainability</td>
−
<td>Sustainable, but has current market constraints</td>
 
−
<td>Sustainable</td>
 
 
<td></td>
 
<td></td>
 
<td></td>
 
<td></td>
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<tr>
 
<tr>
 
<td>Potential contaminants</td>
 
<td>Potential contaminants</td>
−
<td>Minor risk - metals and polycyclic aromatic hydrocarbons (PAHs)</td>
 
−
<td>Low risk - possible chloride depending on preparation method</td>
 
 
<td></td>
 
<td></td>
 
<td></td>
 
<td></td>
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</tr>
 
</tr>
 
<tr>
 
<tr>
−
<td></td>
 
−
<td></td>
 
 
<td></td>
 
<td></td>
 
<td></td>
 
<td></td>
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<tr>
 
<tr>
 
<td>Test methods</td>
 
<td>Test methods</td>
−
<td>Not standardized but International Biochar Initiative widely used [https://stormwater.pca.state.mn.us/index.php?title=Biochar_and_applications_of_biochar_in_stormwater_management#Test_methods]</td>
 
−
<td>Not standardized but multiple methods available [https://stormwater.pca.state.mn.us/index.php?title=Coir_and_applications_of_coir_in_stormwater_management#Test_methods]</td>
 
 
<td></td>
 
<td></td>
 
<td></td>
 
<td></td>
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<tr>
 
<tr>
 
<td>Effects of aging</td>
 
<td>Effects of aging</td>
−
<td>Varies with production method [https://stormwater.pca.state.mn.us/index.php?title=Biochar_and_applications_of_biochar_in_stormwater_management#Effects_of_aging]</td>
 
−
<td>Decomposes slowly unless nutrients are added [https://stormwater.pca.state.mn.us/index.php?title=Coir_and_applications_of_coir_in_stormwater_management#Effects_of_aging]</td>
 
 
<td></td>
 
<td></td>
 
<td></td>
 
<td></td>
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<tr>
 
<tr>
 
<td>Notes</td>
 
<td>Notes</td>
−
<td>Characteristics vary with feedstock and pyrolysis temperature</td>
 
−
<td>Coir must be composted or incorporated with compost, lime, fertilizer, and/or microbes</td>
 
 
<td></td>
 
<td></td>
 
<td></td>
 
<td></td>

Revision as of 13:29, 22 April 2020

Engineered (bioretention) media amendments material properties and specifications.
Link to this table

Property Water treatment residuals1 Spent lime Iron Expanded lime Expanded aluminum Taconite
Phosphorus leaching
Phosphorus retention
Handling concerns
Soil hydraulic properties
Soil physical properties
Plant effects
Availability
Specifications available
Cost
Research needs
Applications
Chemical and physical properties
Sustainability
Potential contaminants
Test methods
Effects of aging
Notes

1Exclusive of spent lime

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