Bidirectional flow internal circulation type PS advanced oxidation reactor and sewage treatment method
An advanced oxidation and reactor technology, applied in the direction of oxidized water/sewage treatment, etc., can solve the problems of low volume utilization, difficult construction, large hydraulic loss, etc., reduce the reduction of free radicals, and improve the utilization of ferrous iron The effect of efficiency and dosage saving
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[0039] A kind of sewage treatment method, mainly carries out according to the following steps:
[0040] 1. Configure the sewage treatment liquid in the dosing box respectively:
[0041] COD in PS solution and sewage CR The mass ratio is 6~12:1;
[0042] When the complexing agent is citric acid, the mass ratio of citric acid and ferrous sulfate solution used is 3.5~7:1 respectively;
[0043] When the complexing agent is oxalic acid, the mass ratio of oxalic acid and ferrous sulfate solution used is 1.6~3.2:1 respectively;
[0044] The mass ratio of PS solution to ferrous sulfate solution is 4.25~8.5:1;
[0045] Two, open the valves on the sewage inlet pipe, oxidant dosing pipe and catalyst dosing pipe, start the sewage water inlet pump, oxidant dosing pump and catalyst dosing pump, sewage and sewage treatment liquid are pumped into the reactor 13 respectively, adjust The flow rate of the pump makes the hydraulic retention time of the reactor 120min;
[0046] 3. After 70 minu...
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