| Location (Figure 8) | Filter aperture (μm) | Quantity of water filtered | Mass of filter residue | Loading of filtered suspended solids | Identified particulate matter, sorted by quantity | μm | Litre | mg | mg m-3 |
| T2. Production wellhead (2P) prior to phosphonate dosing | 0.45 | 44.25 | 3.4 | 76.8 | CuFeS2, iron (Cu, Zn) sulphides, iron hydroxides/oxides, K-feldspar, Ca(Mg)CO3, clay minerals, SiO2 | T2. Production wellhead (2P) prior to phosphonate dosing | 0.45 | 44.25 | 2.6 | 58.8 | | T2a. After phosphonate dosing, prior to bag filter | 0.45 | 44.25 | 2.6 | 58.8 | Iron (Cu, Zn) sulphides, iron hydroxides/oxides, CaCO3, SiO2, Cu, Zn sulphides, CaSO4 | T2a. After phosphonate dosing, prior to bag filter | 3 | 53.7 | | | Iron (Cu, Zn) sulphides, CaCO3, iron hydroxides/oxides, SiO2, CaSO4 | T6. After bag filter, prior to heat pump heat exchanger | 0.45 | 44.25 | 1.01 | 22.8 | CuFeS2, iron (Cu, Zn) sulphides, K-feldspar, clay minerals, iron hydroxides/oxides, CaCO3, SiO2, CaSO4 | T6. After bag filter, prior to heat pump heat exchanger | 3 | 54 | | | Iron hydroxides/oxides, iron sulphides | T8. After heat pump heat exchanger, prior to cartridge filter and injection pump at injection well 1I | 0.45 | 45 | 0.7 | 15.6 | Iron (Ni, Zn) sulphides Fe, Cr particles, iron hydroxides/oxides, clay minerals, CaCO3, SiO2, CaSO4+P, Mg(Ca)CO3, CuZn sulphide | T8a. After cartridge filter and injection pump at injection well 1I | 0.45 | 44.25 | 0.2 | 4.5 | Iron hydroxides/oxides, iron (Cu, Ni) sulphides, CaSO4, clay minerals, FeCr particles, zinc sulphide, SiO2 | T12. After heat pump heat exchanger, prior to cartridge filter and injection pump at injection well 4I | 0.45 | 44.25 | 1 | 22.6 | Iron sulphides, CaCO3, iron hydroxides/oxides, clay minerals (bearing K, Mg, Fe), SiO2, FeCr particles | T14. After cartridge filter and injection pump at injection well 4I | 0.45 | 45 | 1.4 | 31.1 | CuFeS2, Fe, Cr particles, SiO2, K-feldspar, CaCO3, Ca is always present, CaSO4? |
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