Method for degrading dyestuff wastewater and synchronously generating power by improving capacity of activating PDS by MFC
A dye wastewater and electronic technology, applied in biochemical fuel cells, chemical instruments and methods, water pollutants, etc., can solve the problem of low power generation performance of MFC, low number of sulfate radicals, and inability to achieve high-efficiency degradation of organic pollutants, etc. problem, to achieve the effect of low long-term operation cost, improved synchronous power generation performance, and improved processing effect
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[0017] Example 1
[0018] To clarify MnO 2 Improve the effect of MFC activated PDS to degrade dye wastewater and simultaneously generate electricity. Using methyl orange solution as a simulated pollutant, the dosage of MnO was determined. 2 And without adding MnO 2 The removal rate of methyl orange in the system and the synchronous power density curve of MFC.
[0019] The catholyte of MFC was replaced with 0.1 mmol / L methyl orange solution, and 2 mmol / L potassium persulfate was added. Take 1 mL of water samples at 5, 10, 20, 30, 60, 120, 180, 240 minutes respectively, dilute 3 times with lye, then filter with 0.45μm filter membrane, use UV-visible spectrophotometer at maximum absorption wavelength of 468nm Measure the absorbance of the solution at each place, calculate the dye concentration and the corresponding removal rate, and record the simultaneous electricity generation of MFC through the data collector.
[0020] According to the obtained data, draw as figure 1 As shown figur...
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