repurify
verb[T]
(alsore-purify)uk/ˌriːˈpjʊə.rɪ.faɪ/usto make somethingpureagain, usually byremovingunwantedsubstancesfrom it:
Thesecompaniesareliterallyrepurifyingcleanwaterandsellingit to us inplasticpackaging.
Achemistwill use theproducttodistilland repurifysolvents.
- Thebloodsampleswere repurified andtheirqualitywasexamined.
 - Thetechnologyis now used todesalinateand repurify groundwater.
 - Theceremonialeventinvolvedaritualhuntand asacrifice,ceremoniesthat thepeoplebelievedwould repurify theearth.
 
Cleaning generally
- brushsomeone/somethingoff
 - cleaner
 - cleaning
 - cleanse
 - cleansing
 - groom
 - high-touch
 - hoovering
 - mop
 - purification
 - purifier
 - purify
 - rinse
 - scrub
 - sponge
 - steam-clean
 - sterilizing
 - swill
 - wash(something)out
 - washsomethingdown