B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
B01F23/40—Mixing liquids with liquids; Emulsifying
B01F23/45—Mixing liquids with liquids; Emulsifying using flow mixing
B01F23/452—Mixing liquids with liquids; Emulsifying using flow mixing by uniting flows taken from different parts of a receptacle or silo; Sandglass-type mixing