Definitions

1. verb

to remove or get rid of sulfur from a substance, especially fuel, to reduce pollution

“The power plant desulphured its coal to meet environmental regulations.”

2. verb

to make a substance free from sulfur

“The refinery desulphured the gasoline to make it safe for use in vehicles.”

3. noun

the process of removing sulfur from a substance

“Desulphurization is an essential step in producing clean-burning fuels.”