| Type of production | Reference |
| classification, sorting, separation of ferous, non-ferous metals and heavyweight inert materials and confectioning of the fuel | Lorber et al. [76] |
| size screening, magnetic separation, coarse shredding, refining separation and pelletization | Barba et al. [67] |
| sorting, screening, shredding, size reduction, sieving, drying and densification | Milena et al. [64] |
| size reduction, drying, screening, sorting, metal and glass separation, pelletization | Aluri et al. [32] |
| trommel screen, hand sorting, magnetic separation, shredder, trommel screen, milling, trommel screen and densification | Caputo et al. [31] |
| refuse separation, shredding, densification | Khosasaeng et al. [75] |