| abstract |
The invention discloses a kind of method by preparing sulfuric acid from hydrogen sulfide alkali fertilizer or phosphate base fertilizer.Described method comprises and is supplied in stove by the air-flow containing a large amount of hydrogen sulfide and air, and burning wherein produces the air-flow of sulphur dioxide rich.Then the air-flow of described sulphur dioxide rich is supplied in reactor, produces sulfuric acid stream and the exhaust flow containing the unreacted sulfurous gas of carbonic acid gas, nitrogen, oxygen, trace impurity and trace.Finally, described sulfuric acid stream is converted into vitriol base manure material or phosphate base fertilizer. |