Oilfield poly-surfactant flooding sewage treatment process
A technology of sewage treatment and polysurfactant, which is applied in the field of sewage treatment process produced by polysurfactant flooding, can solve the problems of long running time, high investment cost, large floor area, etc., and achieves short treatment time, low investment cost, The effect of water stabilization
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[0031] Example 1
[0032] First, the incoming water from the sewage sedimentation tank of the oil station, the water temperature is 39℃, the pH value is 7.8, the viscosity is 2.4 mPa.s, the polytope content is 390mg / L, the oil content is 2200mg / L, and the suspended matter is 80mg / L. The incoming water enters The incoming water buffer tank stays hydraulically for 1 hour to remove most of the slick oil in the water; then the effluent is lifted by the pump and enters the first-stage cyclonic static flotation column. The swirling flow is generated through the tangential water inflow, which increases the oil-water separation and injects water at the same time Fully mix with dissolved gas water whose circulating volume is 2 to 3 times of the influent water volume, so that the microbubbles in the water fully contact the oil droplets and suspended particles, and the oil droplets and suspended particles are carried to the column through the static floating section of the flotation column ...
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[0033] Example 2
[0034] First, the incoming water from the sewage sedimentation tank of the oil station, the water temperature is 39℃, the pH value is 7.7, the viscosity is 3.3 mPa.s, the polytope content is 620mg / L, the oil content is 2600mg / L, and the suspended matter is 120mg / L. The incoming water enters The incoming water buffer tank stays hydraulically for 1 hour to remove most of the floating oil in the water; then the effluent is lifted by the pump and enters the first-stage cyclonic static flotation column. The swirl is generated by the tangential water inflow, which increases the oil-water separation and at the same time injects water Fully mix with dissolved gas water whose circulating volume is 2 to 3 times of the influent water volume, so that the microbubbles in the water fully contact the oil droplets and suspended particles, and the oil droplets and suspended particles are carried to the column through the static floating section of the flotation column The upper...
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