A device and method for membrane gas separation
A technology of gas separation and membrane method, which is applied in separation methods, chemical instruments and methods, and separation of dispersed particles, etc., can solve the problems of improving the gas separation and permeation rate of membrane method, and achieve the improvement of permeation rate and separation effect, low equipment cost, The effect of increasing speed
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[0026] Such as figure 1 As shown, an exemplary asymmetric electrostatic field coupled membrane gas separation device 10 includes a raw material chamber 7 , a permeation chamber 8 , and a flat membrane 9 . In one embodiment, the raw material chamber 7 includes an inlet 1 and an outlet 2 for the raw gas, and the chamber is at normal pressure with a temperature of 25°C. In the raw material chamber 7, there is a plate electrode 4, which is a cathode; in the permeation chamber 8, a needle electrode 5 is arranged, which is an anode. A DC voltage is applied between the plate electrode 4 and the needle electrode 5 to generate an asymmetrical electrostatic field, and the voltage of the asymmetrical electrostatic field is 2000 volts. The inside of the permeation chamber 8 is negative pressure, the pressure is 1.7kPa.
[0027] The raw material gas contains saturated water vapor 6-2 and methane 6-1, and the gas flow rate is 0.6L / min. It enters the raw material chamber 7 from the inlet 1...
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