Table 5 Cost of the different materials to build the brick reactor
| Â | Reactor 1 | Reactor 2 | Reactor 3 |
|---|---|---|---|
13Â mm concrete stone | $2.73 | $5.46 | $10.92 |
PVC pipe | $18.10 | $18.10 | $ 18.10 |
Other materials (plastic) | $55.00 | $ 55.00 | $55.00 |
Nails | $7.64 | $ 9.52 | $13.55 |
Polyfilla exterior crack filler | $5.43 | $ 5.43 | $ 5.43 |
Concrete Reinforcing mesh (chicken/fibre) | $32.97 | $37.68 | $69.08 |
Sealant | $3.62 | $3.62 | $ 3.62 |
Supa lay hold | $ 19.90 | $ 19.90 | $19.90 |
Stone | $1.92 | $3.05 | $5.46 |
Lime/iron hydroxide | $7.19 | $11.43 | $ 20.48 |
Filter | $1.20 | $ 1.20 | $ 1.20 |
Gas pipe | $ 36.20 | $ 36.20 | $ 36.20 |
Cost total bricks | $ 47.58 | $58.18 | $ 101.15 |
Cost total sand | $25.38 | $ 31.03 | $53.95 |
Cost cement | $ 273.81 | $334.82 | $582.08 |
Cost insulation | $ 29.09 | $35.30 | $54.32 |
Cost of water | $0.85 | $1.04 | $1.81 |
Total construction | $568.61 | $666.98 | $1,052.25 |