Difference between revisions of "Water extractable phosphate in composts and land-applied organic materials"
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<font size=1><sup>a</sup>WEP = Water extractable phosphorus, bWTR = water treatment residuals (Source: Phosphorus and Compost Use Dynamics, Alexander, 2016)<br> | <font size=1><sup>a</sup>WEP = Water extractable phosphorus, bWTR = water treatment residuals (Source: Phosphorus and Compost Use Dynamics, Alexander, 2016)<br> | ||
<sup>2</sup>Minnesota does not compost biosolids per rule. Only source separated organic matter and yard waste are allowed in compost.</font size> | <sup>2</sup>Minnesota does not compost biosolids per rule. Only source separated organic matter and yard waste are allowed in compost.</font size> | ||
| + | <noinclude>[[Category:Level 3 - General information, reference, tables, images, and archives/Tables/Media, compost, and media amendments]]</noinclude> | ||
Latest revision as of 14:19, 2 August 2022
Water extractable phosphate in composts and land-applied organic materials
Link to this table.
| Feedstock | Biosolids treatment | Total solids(%) | pH | P2O5 (% dry wt) | P (% dry wt) | WEPa(% of Total P) |
|---|---|---|---|---|---|---|
| Leaf / yard wastes | NA | 39.4 | 7.7 | 0.34 | 0.15 | 8.4 |
| Leaf / yard wastes / food | NA | 47.5 | 7.4 | 0.42 | 0.18 | 7.4 |
| NA | 53.9 | 7.4 | 0.43 | 0.19 | 6.8 | |
| Biosolids / wood chips2 | No P removal | 39.8 | 7.2 | 0.78 | 0.34 | 20.5 |
| An. digest /No P removal | 59.2 | 7.2 | 1.87 | 0.82 | 7.7 | |
| No P removal | 48.1 | 6.7 | 1.6 | 0.7 | 22.3 | |
| Chemical P removal | 38.8 | 5.5 | 3.65 | 1.59 | 1.8 | |
| Biosolids / wood chips / yard wastes2 | No P removal | 72.1 | 6.6 | 0.81 | 0.35 | 12.2 |
| Biosolids / yard wastes / WTRb2 | No P removal | 53.5 | 8.3 | 1.67 | 0.73 | 4.6 |
| No P removal | 47.8 | 7.9 | 1.68 | 0.73 | 4.1 | |
| Leaf / yard wastes / gelatin residuals | NA | 51.1 | 8.3 | 2.19 | 0.96 | 2.0 |
| Biosolids / wood shavings2 | Biological P removal | 42.8 | 5.7 | 2.41 | 1.05 | 13.3 |
aWEP = Water extractable phosphorus, bWTR = water treatment residuals (Source: Phosphorus and Compost Use Dynamics, Alexander, 2016)
2Minnesota does not compost biosolids per rule. Only source separated organic matter and yard waste are allowed in compost.
This page was last edited on 2 August 2022, at 14:19.