what is difference between desulfurize and desulphurize
de- + sulfurize
desulfurize (third-person singular simple present desulfurizes, present participle desulfurizing, simple past and past participle desulfurized)
- (American spelling, transitive) To remove the sulfur from something (such as petroleum or flue gases).
de- + sulphurize
desulphurize (third-person singular simple present desulphurizes, present participle desulphurizing, simple past and past participle desulphurized)
- (Oxford British English) Alternative spelling of desulfurize (American spelling)