Abstract:

By taking green vitriol（FeSO4·7H2O）as chemical agent, desulfurization test is conducted for the simulating sulfur containing waste water with sulfide content of 1 571.86mg/L and pH value of 9.5. The result shows that when the waste water has the initial pH value of 10, reaction temperature is 35℃ and the adding amount of green vitriol is 16g/L，the best desulfurization result can be obtained. The removal rate of the sulfide in the waste water is up to 99.69% and the sulfide content in the waste water at outlet is reduced to 4.83mg/L.