A disc-type electrocatalytic water treatment device
A water treatment device and electrocatalysis technology, which is applied in water/sewage treatment, water/sewage treatment equipment, water/sludge/sewage treatment, etc., can solve problems such as unstable effects, high power consumption, and obstacles to wide application. Achieve the effect of increasing the placement density, increasing the response time, and reducing the arrangement spacing
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Embodiment 1
[0042] Ruthenium Oxide Coated Titanium Anode Disk Electrocatalytic Reactor for Treatment of Saline Industrial Wastewater:
[0043] a, the cathode pressing plate 8 is a stainless steel cathode pressing plate, and the anode plate 9 is a titanium anode plate coated with ruthenium oxide;
[0044] b. Use a multi-stage centrifugal pump to pump salt-containing industrial waste water from the water inlet 12 at a flow rate of 1m / s, and the fluid passes through the channels around the central hole of the cathode pressure plate 8 to form a return flow;
[0045] c. Adjust the applied electric field voltage to 2.0V and the current density to 10mA / cm 2 ;
[0046] d. After running stably for 1 hour, take a sample from the water outlet 11, and detect the water color, ammonia nitrogen, and COD indicators.
[0047] The influent COD is 483mg / L and ammonia nitrogen is 232mg / L, which can completely remove the chroma in the water body, the effluent COD is reduced to 40mg / L, and the ammonia nitrogen...
Embodiment 2
[0049] Disc-type electrocatalytic reactor with lead oxide coated titanium anode for the treatment of saline industrial wastewater:
[0050] a. The cathode plate 8 is a stainless steel cathode plate, and the anode plate 9 is a lead oxide-coated titanium anode plate;
[0051] b. Use a multi-stage centrifugal pump to inject saline industrial waste water from the water inlet 12 at a flow rate of 2m / s, and the fluid passes through the channels around the central hole of the cathode pressure plate 8 to form a return flow;
[0052] c. Adjust the applied electric field voltage to 3.0V and the current density to 20mA / cm 2 ;
[0053] d. After running stably for 1 hour, take a sample from the water outlet 11, and detect the water color, ammonia nitrogen, and COD indicators.
[0054] The influent COD is 483mg / L and ammonia nitrogen is 232mg / L, which can completely remove the chroma in the water body, the effluent COD is reduced to 45mg / L, and the ammonia nitrogen is reduced to 1mg / L, me...
Embodiment 3
[0056] a. The cathode plate 8 is a stainless steel cathode plate, and the anode plate 9 is an antimony-tin oxide-coated titanium anode plate;
[0057] b. Use a multi-stage centrifugal pump to pump salt-containing industrial waste water from the water inlet 12 at a flow rate of 3m / s, and the fluid passes through the channels around the central hole of the cathode pressure plate 8 to form a return flow;
[0058] c. Adjust the applied electric field voltage to 4.0V and the current density to 30mA / cm 2 ;
[0059] d. After running stably for 1 hour, take a sample from the water outlet 11, and detect the water color, ammonia nitrogen, and COD indicators.
[0060] The influent COD is 483mg / L and ammonia nitrogen is 232mg / L, which can completely remove the chroma in the water body, the effluent COD is reduced to 42mg / L, and the ammonia nitrogen is reduced to 1.2mg / L, meeting the first-class standard for comprehensive sewage discharge.
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