Method for degrading environmental hormone bisphenol A in water based on ferric sulfide activated persulfate
A technology for activating persulfate and ferric tetrasulfide, applied in the field of environmental organic pollutant degradation, can solve the problems of being easily affected by anions such as chloride ions, high cost of heterogeneous materials, and difficult to recycle materials, achieving easy promotion, Energy saving and easy operation
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Embodiment 1
[0034] Add sodium peroxodisulfate to the water contaminated with 5mg / L BPA to make the concentration of sodium peroxodisulfate 0.4mM, and add Fe 3 S 4 , So that the material concentration is 0.02g / L. Within 60 minutes, the removal rate of this pollutant reached 98%. However, when only sodium peroxodisulfate or only Fe is added 3 S 4 At that time, the removal rate of pollutants is less than 2%.
Embodiment 2
[0036] As in Example 1, the sodium peroxodisulfate was replaced with potassium persulfate, and the removal rate of the pollutant reached 95% within 60 minutes. However, when only sodium peroxodisulfate or only Fe is added 3 S 4 At that time, the removal rate of pollutants is less than 2%.
Embodiment 3
[0038] Add sodium peroxodisulfate to the water contaminated with 10mg / L BPA to make the concentration of sodium peroxodisulfate 0.8mM, and add Fe 3 S 4 , Making the material concentration 0.04g / L. Within 60 minutes, the removal rate of this pollutant reached 98%.
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