Method for catalytically degrading organic pollutants by zero-valent iron
A catalytic degradation, zero-valent iron technology, applied in water pollutants, chemical instruments and methods, oxidized water/sewage treatment, etc. effect of effect
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[0040] A method for catalytically degrading organic wastewater using zero-valent iron, comprising:
[0041] 1) Add iron powder and persulfate to organic wastewater for ultrasonic treatment;
[0042] 2) After the reaction is complete, the treated organic wastewater is obtained.
[0043] In some examples, the added amount of the iron powder is not less than 0.1 mg / L.
[0044] In some examples, the iron powder is added in an amount of 0.1-0.5 mg / L. When the amount of iron powder added exceeds a certain limit, it will not bring more positive effects to the progress of the reaction. The amount of iron powder added also has a certain relationship with the particle size of iron powder. The particle size of iron powder is small, and the amount of iron powder added can be relatively reduced; on the contrary, the amount of iron powder added should be increased accordingly.
[0045] In some examples, the particle size of the iron powder is not greater than 1 mm. The finer the particle...
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