Method

Traditional regeneration process

SCF regeneration process

Extractant

Ozone-air mixture

СО2 + co-solvent

Temperature

673 - 873 K

323 - 383 K

Pressure

0.8 - 1.5 MPa

20 -30 МРа

Process life

30 - 50 h

4 - 7 h

Number of regeneration cycles

3 - 4

≥6 - 8