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Efficient oxidation of thiosulfate in solution using multistage method
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DOI：10.1016/S1003-6326(25)66846-4.png)
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Abstract
En 中文
The oxidation characteristics of sulfite and thiosulfate were examined by using thermodynamic calculations and simulated desulfurization solution experiments to investigate their difference. Subsequently, a new multistage oxidation method using oxygen−ammonium persulfate was presented and applied to the oxidation of a real desulfurization solution. The results show that the concentrations of thiosulfate and sulfite in the real desulfurization solution decrease from 48.76 and 61.76 g/L to 2.24 and 0.02 g/L, respectively, and the ammonium sulfate products obtained are white with uniform particles. In addition, compared with ammonium persulfate alone, the multistage oxidation method can reduce the ammonium persulfate addition by 37.56% and treatment cost by 28.13%.
Keywords:
ammonium persulfate
oxygen
thiosulfate
desulfurization solution
cost
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