| Reference flow: 1 kg of NOx removed by photocatalytic surface coating | LCI phase (Manuscript reference 2.2.2) | Concrete pavement element | Ecoinvent 3.7.1 (2020), APOS |
| Materials and energy—inputs from techno sphere | |||
| Water, gram | Production | 577 | Tap water, market for tap water, Europe without Switzerland |
| TiO2, gram | Production | 48 | titanium dioxide, market for titanium dioxide, RER |
| SiO2 (binder), gram | Production | 12 | silica sand, market for silica sand, GLO |
| NH3 (pH stabilizer), gram | Production | 2.5 | ammonia, anhydrous, liquid, market for ammonia, anhydrous, liquid, RER |
| Energy consumption, Wh | Production | 12 | electricity, medium voltage, market for electricity medium voltage, DK |
| Plastic, HDPE, gram | Production | 9 | polyethylene, high density, granulate, market for polyethylene, high density, granulate, GLO |
| Emissions to air | |||
| NOx, gram | Operation, FU | −1000 | - |
| SOx, gram | Operation | −33 | - |
| Emission to surface water | |||
| , gram | Operation | 1900 | - |
| Residues | |||
| Plastic, HDPE, to incineration, gram | Production | 9 | waste polyethylene, treatment of waste polyethylene, municipal incineration, CH |
| Waste product, to sanitary landfill, gram | End-of-life | 94 | waste cement, hydrated, treatement of waste cement, hydrated, residual material landfill, Europe without Switzerland |