Three-dimension electrode reactor
A technology of three-dimensional electrodes and reactors, which is applied in chemical instruments and methods, electrochemical water/sewage treatment, water/sewage treatment, etc., can solve problems such as rare research in the field of organic wastewater, improve biodegradability, ensure The effect of meeting emission standards
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example 1
[0028] Based on 91.0% iron filings (2-4mm particle size), 2% manganese dioxide, 0.01% platinum, 0.02% palladium, 0.5% copper oxide, 1.5% nickel oxide, 0.27% cobalt oxide and 0.7% oxide Zinc is used as an initiator, and a particle electrode with a particle size of 4-6mm made of 4% sodium carboxymethylcellulose as a binder is used as a working electrode; a three-dimensional electrode reaction using graphite and polyester non-woven diaphragm composite as an electrode device. at 0.3m 3 Under the air flow rate of / h, the phenol solution of 100mg / l was treated for 60 minutes under the voltage of 20 volts, and the removal rate reached 92%. Treat 500mg / l chloral aldehyde solution for 30 minutes, and its removal rate reaches 95%.
example 2
[0030] Based on 90% carbon, 2.0% manganese dioxide, 1.0% copper oxide, 1.25% nickel oxide, 0.22% cobalt oxide, 1.5% zinc oxide, 0.01% platinum and 0.02% palladium as initiator, 4% A particle electrode with a particle size of 4-6 mm made of sodium carboxymethyl cellulose as a binder is used as a working electrode; a three-dimensional electrode reactor is composed of graphite and polyester non-woven diaphragm as an electrode. at 0.16m 3 Under the air flow rate of / h, the 100mg / l NaCN solution was treated for 30 minutes at a voltage of 20 volts, and its CN - The removal rate reaches 97%. The chloral solution was treated for 30 minutes, and its removal rate reached 95%.
example 3
[0032]With 90% iron filings as the substrate, 3.0% manganese dioxide, 0.77% copper oxide, 2.1% nickel oxide, 0.3% cobalt oxide, 0.8% zinc oxide, 0.01% platinum and 0.02% palladium as the initiator, 3 % sodium carboxymethyl cellulose as the binder, the particle electrode with a particle size of 4-6mm is the working electrode; the three-dimensional electrode reactor is composed of graphite and polyester non-woven diaphragm as the electrode. at 0.6m 3 Under the air flow rate of / h, the COD of a printing and dyeing factory in Taiwan under the voltage of 28 volts Cr Printing and dyeing wastewater with a concentration of up to 10608mg / l is treated for 15 minutes, COD Cr Concentration dropped to 3672mg / l, its COD Cr The removal rate is 65.3%, and the decolorization rate is 95%.
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