The shredding machine used in this study was dual-function
with a roller crusher (2 hp motor) and a hammer mill (3 hp motor)
having a production capacity of 19.87 kg/h. The densification machine
used was a pressure-adjustable piston press (4 hp motor)
having a production rate of 30–42 kg/h. The pressure used to compact
the materials was 10 MPa