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> | + | <th>Al- and Fe-water treatment residuals</th> |
| − | + | <th>Ca-water treatment residuals<sup>1</sup></th> | |
<th>Iron</th> | <th>Iron</th> | ||
<th>Expanded lime</th> | <th>Expanded lime</th> | ||
| Line 14: | Line 14: | ||
<tr> | <tr> | ||
<td>Phosphorus leaching</td> | <td>Phosphorus leaching</td> | ||
| − | <td></td> | + | <td>No</td> |
| − | <td></td> | + | <td>No</td> |
<td></td> | <td></td> | ||
<td></td> | <td></td> | ||
| Line 23: | Line 23: | ||
<tr> | <tr> | ||
<td>Phosphorus retention</td> | <td>Phosphorus retention</td> | ||
| − | <td></td> | + | <td>Yes</td> |
| − | <td></td> | + | <td>Yes</td> |
<td></td> | <td></td> | ||
<td></td> | <td></td> | ||
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<td>Handling concerns</td> | <td>Handling concerns</td> | ||
<td></td> | <td></td> | ||
| − | <td></td> | + | <td>Dust may be corrosive and irritant to skin and eyes [https://stormwater.pca.state.mn.us/index.php?title=Spent_lime,_calcium_water_treatment_residuals_and_application_in_stormwater#Storage.2C_handling.2C_and_field_application]</td> |
<td></td> | <td></td> | ||
<td></td> | <td></td> | ||
| Line 42: | Line 42: | ||
<td>Soil hydraulic properties</td> | <td>Soil hydraulic properties</td> | ||
<td></td> | <td></td> | ||
| − | <td></td> | + | <td>Mixed results; has shown clogging when incorporated into soil</td> |
<td></td> | <td></td> | ||
<td></td> | <td></td> | ||
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<td>Soil physical properties</td> | <td>Soil physical properties</td> | ||
<td></td> | <td></td> | ||
| − | <td></td> | + | <td>Mixed results; may initially improve soil structure but over time may impair structure through formation of cementitious compounds</td> |
<td></td> | <td></td> | ||
<td></td> | <td></td> | ||
| Line 60: | Line 60: | ||
<td>Plant effects</td> | <td>Plant effects</td> | ||
<td></td> | <td></td> | ||
| − | <td></td> | + | <td>Improves plant response in acid soils; may have adverse effects if pH becomes elevated [https://stormwater.pca.state.mn.us/index.php?title=Spent_lime,_calcium_water_treatment_residuals_and_application_in_stormwater#Effects_on_plant_growth_and_microbial_function]</td> |
<td></td> | <td></td> | ||
<td></td> | <td></td> | ||
| Line 69: | Line 69: | ||
<td>Availability</td> | <td>Availability</td> | ||
<td></td> | <td></td> | ||
| − | <td></td> | + | <td>Depends on source; many materials are widely available as they have been treated as wastes and landfilled (e.g. spent lime) [https://stormwater.pca.state.mn.us/index.php?title=Spent_lime,_calcium_water_treatment_residuals_and_application_in_stormwater#Distributors]</td> |
<td></td> | <td></td> | ||
<td></td> | <td></td> | ||
| Line 78: | Line 78: | ||
<td>Specifications available</td> | <td>Specifications available</td> | ||
<td></td> | <td></td> | ||
| − | <td></td> | + | <td>No [https://stormwater.pca.state.mn.us/index.php?title=Spent_lime,_calcium_water_treatment_residuals_and_application_in_stormwater#Standards_and_classification]</td> |
<td></td> | <td></td> | ||
<td></td> | <td></td> | ||
| Line 87: | Line 87: | ||
<td>Cost</td> | <td>Cost</td> | ||
<td></td> | <td></td> | ||
| − | <td></td> | + | <td>Can be inexpensive if sources exist locally (e.g. spent lime from water treatment)</td> |
<td></td> | <td></td> | ||
<td></td> | <td></td> | ||
| Line 96: | Line 96: | ||
<td>Research needs</td> | <td>Research needs</td> | ||
<td></td> | <td></td> | ||
| − | <td></td> | + | <td>Performance in incorporated media; design specifications; maintenance requirements</td> |
<td></td> | <td></td> | ||
<td></td> | <td></td> | ||
| Line 106: | Line 106: | ||
<td>Applications</td> | <td>Applications</td> | ||
<td></td> | <td></td> | ||
| − | <td></td> | + | <td>[https://stormwater.pca.state.mn.us/index.php?title=Spent_lime,_calcium_water_treatment_residuals_and_application_in_stormwater#Applications_in_stormwater_management]</td> |
<td></td> | <td></td> | ||
<td></td> | <td></td> | ||
| Line 115: | Line 115: | ||
<td>Chemical and physical properties</td> | <td>Chemical and physical properties</td> | ||
<td></td> | <td></td> | ||
| − | <td></td> | + | <td>[https://stormwater.pca.state.mn.us/index.php?title=Spent_lime,_calcium_water_treatment_residuals_and_application_in_stormwater#Properties]</td> |
<td></td> | <td></td> | ||
<td></td> | <td></td> | ||
| Line 124: | Line 124: | ||
<td>Sustainability</td> | <td>Sustainability</td> | ||
<td></td> | <td></td> | ||
| − | <td></td> | + | <td>Sustainable</td> |
<td></td> | <td></td> | ||
<td></td> | <td></td> | ||
| Line 133: | Line 133: | ||
<td>Potential contaminants</td> | <td>Potential contaminants</td> | ||
<td></td> | <td></td> | ||
| − | <td> | + | <td>Elevated pH; avoid waste products that may have elevated concentrations of metals (e.g. spent lime from wastewater treatment)</td> |
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
<td></td> | <td></td> | ||
<td></td> | <td></td> | ||
| Line 151: | Line 142: | ||
<td>Test methods</td> | <td>Test methods</td> | ||
<td></td> | <td></td> | ||
| − | <td></td> | + | <td>Standard test methods not available; methods may be described in individual reports [https://stormwater.pca.state.mn.us/index.php?title=Spent_lime,_calcium_water_treatment_residuals_and_application_in_stormwater#Test_methods]</td> |
<td></td> | <td></td> | ||
<td></td> | <td></td> | ||
| Line 160: | Line 151: | ||
<td>Effects of aging</td> | <td>Effects of aging</td> | ||
<td></td> | <td></td> | ||
| − | <td></td> | + | <td>Not expected to be a concern [https://stormwater.pca.state.mn.us/index.php?title=Spent_lime,_calcium_water_treatment_residuals_and_application_in_stormwater#Aging]</td> |
<td></td> | <td></td> | ||
<td></td> | <td></td> | ||
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</tr> | </tr> | ||
</table> | </table> | ||
| − | <font size=1><sup>1</sup> | + | <font size=1><sup>1</sup>Includes spent lime |
<noinclude> | <noinclude> | ||
[[Category:Engineered media]] | [[Category:Engineered media]] | ||
</noinclude> | </noinclude> | ||
Revision as of 13:23, 5 January 2021
Engineered (bioretention) media amendments material properties and specifications.
Link to this table
| Property | Al- and Fe-water treatment residuals | Ca-water treatment residuals1 | Iron | Expanded lime | Expanded aluminum | Taconite |
|---|---|---|---|---|---|---|
| Phosphorus leaching | No | No | ||||
| Phosphorus retention | Yes | Yes | ||||
| Handling concerns | Dust may be corrosive and irritant to skin and eyes [1] | |||||
| Soil hydraulic properties | Mixed results; has shown clogging when incorporated into soil | |||||
| Soil physical properties | Mixed results; may initially improve soil structure but over time may impair structure through formation of cementitious compounds | |||||
| Plant effects | Improves plant response in acid soils; may have adverse effects if pH becomes elevated [2] | |||||
| Availability | Depends on source; many materials are widely available as they have been treated as wastes and landfilled (e.g. spent lime) [3] | |||||
| Specifications available | No [4] | |||||
| Cost | Can be inexpensive if sources exist locally (e.g. spent lime from water treatment) | |||||
| Research needs | Performance in incorporated media; design specifications; maintenance requirements | |||||
| Applications | [5] | |||||
| Chemical and physical properties | [6] | |||||
| Sustainability | Sustainable | |||||
| Potential contaminants | Elevated pH; avoid waste products that may have elevated concentrations of metals (e.g. spent lime from wastewater treatment) | |||||
| Test methods | Standard test methods not available; methods may be described in individual reports [7] | |||||
| Effects of aging | Not expected to be a concern [8] | |||||
| Notes |
1Includes spent lime