desulfurization

https://doi.org/10.1351/goldbook.D01622
The process by which sulfur is removed from a material such as coal or oil. It may involve one of many techniques including @E02053@, @F02537@, laundering, magnetic separation, chemical treatment, etc.
Source:
PAC, 1990, 62, 2167. (Glossary of atmospheric chemistry terms (Recommendations 1990)) on page 2184 [Terms] [Paper]