depurator

dep·u·rate

D0148400 (dĕp′yə-rāt′)tr. & intr.v. dep·u·rat·ed, dep·u·rat·ing, dep·u·rates To cleanse or purify or become cleansed or purified.
[Medieval Latin dēpūrāre, dēpūrāt- : Latin dē-, de- + Latin pūrus, pure; see peuə- in Indo-European roots.]
dep′u·ra′tion n.dep′u·ra′tor n.