1. having had sulfur or sulfur compounds removed
Usage: British spelling variant of 'desulfurized'; used to describe treated fuels, metals, or other materials

1. past tense and past participle of desulfurize; to remove sulfur or sulfur compounds from (a substance, especially fuel or metal)
Usage: British spelling variant of 'desulfurized'; commonly used in industrial and chemical contexts

Examples

• The refinery desulfurised the crude oil to meet environmental standards.
• Desulfurised diesel fuel produces fewer emissions than untreated fuel.
• The steel was desulfurised during the manufacturing process to improve its quality.
• Modern power plants use desulfurised coal to reduce air pollution.
• The desulfurised petroleum product met all regulatory requirements.
• Engineers desulfurised the natural gas before distribution to consumers.