The Collaborative International Dictionary
Desulphurated
Desulphurate \De*sul"phu*rate\, v. t. [imp. & p. p. Desulphurated; p. pr. & vb. n. Desulphurating.] To deprive of sulphur.
Wiktionary
desulphurated
vb. (en-past of: desulphurate)