Method for treating oil-field waste-water refilling by catalytic oxygenation-desorption deaerization UV sterilization
A technology of catalytic oxidation and deaeration water tank, which is applied in the direction of oxidized water/sewage treatment, chemical instruments and methods, water/sewage treatment, etc. It can solve the problems of large amount of chemicals, high operating costs, and short life, and achieve no secondary Pollution, low operating costs, and long service life
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Embodiment 1
[0027] Embodiment 1: The gas-water ratio condition experiment of oilfield wastewater
[0028] In the aeration catalytic filter (1500×1000×2000mm) and pressure catalytic filter tank (Φ1200×2800mm) of the catalytic reactor made of stainless steel, two porous partitions are placed in parallel, and the filling accounts for 35% of the volume of the catalytic reactor Manganese sand, the aeration and catalytic reaction time is 5min, the reaction temperature is 45°C, the catalytic reaction pressure is 0.3MPa, the oxidation reaction time is 3 minutes, the silver-loaded activated carbon deoxidation catalytic reaction temperature is 250°C, and the desorption deaerator inlet pump pressure is 3MPa , under the conditions of deoxygenated water reflux 50% and UV sterilization, the water quality of raw water after precipitation treatment is petroleum 11.2mg / l, volatile phenol 7.1mg / l, sulfide 8.4mg / l, SS 10.7mg / l and Fe 2+ 3.9mg / l, and the catalytic treatment of wastewater under different rati...
Embodiment 2
[0032] Embodiment 2: For the treatment time experiment of oilfield wastewater
[0033] In the aeration catalytic filter (1500×1000×2000mm) and pressure catalytic filter tank (Φ1200×2800mm) of the catalytic reactor made of stainless steel, two porous partitions are placed in parallel, and the filling accounts for 35% of the volume of the catalytic reactor manganese sand, the ratio of aeration gas to water is 1 / 1, the reaction temperature is 45°C, the catalytic reaction pressure is 0.3MPa, the oxidation reaction time is 3 minutes, the silver-loaded activated carbon deoxidation catalytic reaction temperature is 250°C, and the desorption deaerator inlet water pump pressure 3MPa, under the conditions of deoxygenated water reflux 50% and UV sterilization, the water quality of raw water after precipitation treatment is 11.2mg / l of petroleum, 7.1mg / l of volatile phenol, 8.4mg / l of sulfide, 10.7mg / l of SS and Fe 2+ 3.9mg / l, and the wastewater was treated under different aeration and c...
Embodiment 3
[0037] Embodiment 3: the influence experiment of the viscosity of polymer PAM solution prepared by sewage
[0038] In the aeration catalytic filter (1500×1000×2000mm) and the pressure catalytic filter tank (Φ1200×2800mm) of the catalytic reactor made of stainless steel, two porous partitions are placed in parallel, and the filling accounts for 35% of the volume of the catalytic reactor. Manganese sand catalyst, at a reaction temperature of 45°C, a catalytic reaction pressure of 0.3MPa, an oxidation reaction time of 3 minutes, a silver-loaded activated carbon deoxidation catalytic reaction temperature of 250°C, a desorption deaerator inlet pump pressure of 3MPa, and a deoxygenated water reflux of 50% Under the conditions of sterilization and UV sterilization, the water quality of raw water after precipitation treatment is 11.2mg / l of petroleum, 7.1mg / l of volatile phenol, 8.4mg / l of sulfide, 10.7mg / l of SS and Fe 2+ 3.9mg / l, the reaction treatment was carried out under differen...
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