disjoin — to undo or prevent the junction or union of; disunite; separate.
divide — to separate into parts, groups, sections, etc.
clean — Something that is clean is free from dirt or unwanted marks.
part — a portion or division of a whole that is separate or distinct; piece, fragment, fraction, or section; constituent: the rear part of the house; to glue the two parts together.
purify — to make pure; free from anything that debases, pollutes, adulterates, or contaminates: to purify metals.
uncomplicate — to make complex, intricate, involved, or difficult: His recovery from the operation was complicated by an allergic reaction.
unmix — to combine (substances, elements, things, etc.) into one mass, collection, or assemblage, generally with a thorough blending of the constituents.
detach — If you detach one thing from another that it is fixed to, you remove it. If one thing detaches from another, it becomes separated from it.
disengage — to release from attachment or connection; loosen; unfasten: to disengage a clutch.
dissociate — to sever the association of (oneself); separate: He tried to dissociate himself from the bigotry in his past.
remove — to move from a place or position; take away or off: to remove the napkins from the table.
segregate — to separate or set apart from others or from the main body or group; isolate: to segregate exceptional children; to segregate hardened criminals.
sever — to separate (a part) from the whole, as by cutting or the like.
exclude — Deny (someone) access to or bar (someone) from a place, group, or privilege.
