A system comprising: a continuous feeding assembly that comprises: a raw material hopper that feeds solid raw material; a CO 2 feeder that feeds dry ice or liquid CO 2; a low pressure supply assembly that pushes an impermeable mixture formed by the solid raw material mixed with the dry ice or liquid CO 2 fitted with a piston-cylinder assembly that comprises a piston and a cylinder, wherein the piston-cylinder assembly receives the mixture of the solid raw material and the dry ice, or liquid CO 2 using the low pressure supply assembly; a high pressure vessel that performs an extraction process under a supercritical condition, wherein the piston-cylinder assembly pushes the mixture of the solid raw material and the dry ice, or liquid CO 2 to the high pressure vessel for extraction of soluble components from the solid raw material; and a continuous discharging assembly that comprises: a discharging extruder that receives solid residue discharged from the high pressure vessel; a binder liquid feeder that feeds binder liquid to the discharging extruder, wherein the discharging extruder first mixes the solid residue with the binder liquid to form a uniform mixture, wherein the discharging extruder further compacts the uniform mixture to form impermeable pellets of residue; and a discharging valve that discharges the impermeable pellets of residue from the discharging extruder, a first isolation valve for feeding of the impermeable mixture from the cylinder of the piston-cylinder assembly to the high pressure vessel; and a second isolation valve for discharging of the solid residue from the high pressure vessel to the discharge extruder without loss in the pressure. a continuous feeding assembly that comprises: a raw material hopper that feeds solid raw material; a CO 2 feeder that feeds dry ice or liquid CO 2; a low pressure supply assembly that pushes an impermeable mixture formed by the solid raw material mixed with the dry ice or liquid CO 2 fitted with a piston-cylinder assembly that comprises a piston and a cylinder, wherein the piston-cylinder assembly receives the mixture of the solid raw material and the dry ice, or liquid CO 2 using the low pressure supply assembly; a raw material hopper that feeds solid raw material; a CO 2 feeder that feeds dry ice or liquid CO 2; a low pressure supply assembly that pushes an impermeable mixture formed by the solid raw material mixed with the dry ice or liquid CO 2 fitted with a piston-cylinder assembly that comprises a piston and a cylinder, wherein the piston-cylinder assembly receives the mixture of the solid raw material and the dry ice, or liquid CO 2 using the low pressure supply assembly; a high pressure vessel that performs an extraction process under a supercritical condition, wherein the piston-cylinder assembly pushes the mixture of the solid raw material and the dry ice, or liquid CO 2 to the high pressure vessel for extraction of soluble components from the solid raw material; and a continuous discharging assembly that comprises: a discharging extruder that receives solid residue discharged from the high pressure vessel; a binder liquid feeder that feeds binder liquid to the discharging extruder, wherein the discharging extruder first mixes the solid residue with the binder liquid to form a uniform mixture, wherein the discharging extruder further compacts the uniform mixture to form impermeable pellets of residue; and a discharging valve that discharges the impermeable pellets of residue from the discharging extruder, a discharging extruder that receives solid residue discharged from the high pressure vessel; a binder liquid feeder that feeds binder liquid to the discharging extruder, wherein the discharging extruder first mixes the solid residue with the binder liquid to form a uniform mixture, wherein the discharging extruder further compacts the uniform mixture to form impermeable pellets of residue; and a discharging valve that discharges the impermeable pellets of residue from the discharging extruder, a first isolation valve for feeding of the impermeable mixture from the cylinder of the piston-cylinder assembly to the high pressure vessel; and a second isolation valve for discharging of the solid residue from the high pressure vessel to the discharge extruder without loss in the pressure.