Method for treating power plant circulating sewage by electrochemical crystallization granulation system
A technology of circulating sewage and electrochemistry, applied in chemical instruments and methods, water softening, inorganic chemistry, etc., can solve the problems of difficult crystallization and granulation of crystals, and achieve the effect of fast decomposition rate and rapid potential homogenization
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Embodiment 1
[0040] Such as figure 1 As shown, the present invention provides a kind of method that electrochemical crystallization granulation system handles the circulating sewage of power plant, comprises the following steps:
[0041] S1. The circulating sewage of the power plant enters the interior of the cylinder 1 from the water distribution system 2 of the electrochemical crystallization granulation system;
[0042] S2. The sewage is kept in a fluidized state under the action of the agitator 3 in the reaction zone, and the power supply of the cathode electrode 7 is started, and the anode electrode 8 generates a high apparent current density of 1000-4000 A / m under the action of liquid fluidization, and the current efficiency is 10 % to 90%; using NaCl in the circulating sewage of power plants as the electrolyte, the organic matter is decomposed under the action of a uniformly distributed potential to remove COD;
[0043] S3. The sewage is discharged from the outlet pipe 6, and enter...
Embodiment 2
[0047] Such as figure 1 As shown, the present invention provides a kind of method that electrochemical crystallization granulation system handles the circulating sewage of power plant, comprises the following steps:
[0048] S1. The circulating sewage of the power plant enters the interior of the cylinder 1 from the water distribution system 2 of the electrochemical crystallization granulation system;
[0049] S2. The sewage is kept in a fluidized state under the action of the agitator 3 in the reaction zone, and the power supply of the cathode electrode 7 is started, and the anode electrode 8 generates a high apparent current density of 1000-4000 A / m under the action of liquid fluidization, and the current efficiency is 10 % to 90%; using NaCl in the circulating sewage of power plants as the electrolyte, the organic matter is decomposed under the action of a uniformly distributed potential to remove COD;
[0050] S3. The sewage is discharged from the outlet pipe 6, and enter...
Embodiment 3
[0054] Such as figure 1 As shown, the present invention provides a kind of method that electrochemical crystallization granulation system handles the circulating sewage of power plant, comprises the following steps:
[0055] S1. The circulating sewage of the power plant enters the interior of the cylinder 1 from the water distribution system 2 of the electrochemical crystallization granulation system;
[0056] S2. The sewage is kept in a fluidized state under the action of the agitator 3 in the reaction zone, and the power supply of the cathode electrode 7 is started, and the anode electrode 8 generates a high apparent current density of 1000-4000 A / m under the action of liquid fluidization, and the current efficiency is 10 % to 90%; using NaCl in the circulating sewage of power plants as the electrolyte, the organic matter is decomposed under the action of a uniformly distributed potential to remove COD;
[0057] S3. The sewage is discharged from the outlet pipe 6, and enter...
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