Desulfurization process
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Are the desulfurization processes in power plants the same as those used in coking and gasification?
It’s different; power plants remove mainly SO2 through desulfurization, while coking plants or coal chemical plants remove hydrogen sulfide and organic sulfur； Power plants mostly use the ammonia-based desulfurization method, while coking plants employ wet desulfurization methods (tannin method, 888 method), supplemented by dry desulfurization. Nowadays, large-scale coal chemical plants use the low-temperature methanol washing process for desulfurization and decarbonization.
Power plant desulfurization primarily removes sulfur dioxide from flue gas, with processes including the lime-alkali method, lime-glauber’s salt method, ammonia water method, activated carbon, and others； Desulfurization in coking and gasification processes involves removing hydrogen sulfide, thiols, thiocarbons, etc., with methods such as the ammonia water method and the tannin method being employed
I’m a newbie; just stopping by, hehe
The desulfurization in power plants primarily removes SO2, whereas in coking plants or coal chemical industries, hydrogen sulfide and organic sulfur are removed； Power plants mostly use the ammonia-based desulfurization method, while coking plants employ wet desulfurization methods (tannin method, 888 method), supplemented by dry desulfurization. Nowadays, large-scale coal chemical plants use the low-temperature methanol washing process for desulfurization and decarbonization. I learned it!