Table 7: Energy consumption of each process.

Process Energy Consumption
Diesel oil (l) kW
1 100% screening -
2 52.41% (diesel screening) 33.94% (electrical screening)
3 - 35.24% (electrical screening)
53.35% (trommel)
4 12.03% (diesel screening) 7.80% (electrical screening)
47.59% (diesel screening) 25.29% (mill)
23.02% (electrical screening)
5 74.40% (diesel screening) 34.85% (trommel)
74.70% (mill)