B
PERFORMING OPERATIONS; TRANSPORTING
B
PERFORMING OPERATIONS; TRANSPORTING
B01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
B01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
B01D
SEPARATION
B01D
SEPARATION
B01D11/00
Solvent extraction
B01D11/00
Solvent extraction
B01D11/02
of solids
B01D11/02
of solids