Table 1.
Media and preparation of the treatments in Studies I–III
| Study | Treatment | Preparation | Content |
|---|---|---|---|
| Study I | CI | Copper-free tap water (mineral media) | – |
| STP-C-d | Control STP effluent, diluted 1:100 with copper -free tap water | – | |
| STP-C-a | Control STP effluent, aerated for 24 h | – | |
| STP-Ag-d | AgNP-spiked STP effluent, diluted 1:100 with copper-free tap water | 6.87 | |
| STP-Ag-a | AgNP-spiked STP effluent, aerated for 24 h | 68.70 | |
| Study II | CII | Copper-free tap water (mineral media) | – |
| MM 1 | Mineral media spiked with NM 300K | 1.01 | |
| MM 2 | Mineral media spiked with NM 300K | 4.49 | |
| MM 3 | Mineral media spiked with NM 300K | 62.59 | |
| MM Dis | Mineral media spiked with NM 300K dispersant (no AgNPs) | 10 | |
| Study III | CIII | Copper free tap water (mineral media) | – |
| STP-C | Control STP effluent | – | |
| STP-C-Ag 1 | Control STP effluent spiked with NM 300K | 0.85 | |
| STP-C-Ag 2 | Control STP effluent spiked with NM 300K | 3.03 | |
| STP-C-Ag 3 | Control STP effluent spiked with NM 300K | 43.29 | |
| STP-C-Dis | Control STP effluent spiked with NM 300K dispersant (no AgNPs) | 10 |
Total Ag and dispersant concentration in µg/L