1. Solid-liquid separation, introduction;Alt,2000
2. Althaus, H.J., Chudacoff, M., Hischier, R., Jungbluth, N., Osses, M., Primas, A., 2007. Life Cycle Inventories of Chemicals. ecoinvent report No. 8, v2.0, EMPA Dübendorf, Swiss Centre for Life Cycle Inventories, Dübendorf, CH.
3. Annual report on the state of the services and the activity carried out, ARERA (2021). Available online: https://www.arera.it/allegati/relaz_ann/21/RA21_volume_1.pdf (accessed on 11/01/2022).
4. Crushing and grinding calculations, Part I;Bond,1951
5. Power-law relationships for estimating mass, fuel consumption and costs of energy conversion equipment;Caduff;Environmental Science Technology,2011