de·sul·fur·ize [ dee súlfə rz ](past and past participlede·sul·fur·ized, present participlede·sul·fur·iz·ing, 3rd person present singularde·sul·fur·iz·es)
transitive and intransitive verb
Definition:
remove or lose sulfur: to remove sulfur and its compounds from something, typically from petroleum products or from flue gases when coal or another fuel is burned, or lose sulfur in this way