Efficient enrichment and separation equipment for ultralow-concentration gas
A technology of ultra-low concentration and separation equipment, applied in the field of resources and energy, can solve the problems of wasting energy, polluting the environment, etc., and achieve the effects of improving adsorption efficiency, reducing emissions, and improving economic efficiency
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specific Embodiment 1
[0044] Specific embodiments 1. Adsorption at normal pressure and 25°C, vacuum analysis at 20kPa, gas flow rate of 500sccm, adsorption in the adsorption tower, the ratio of the diameter of the analysis pipe to the total length is 1:4, and the use of 1000m 2 Under the condition that the modified activated carbon per g is used as the adsorbent, the methane concentration of the raw material gas is 0.10%, the methane concentration of the first-stage imported raw material gas is 0.10%, and the concentration of the desorption gas flowing out of the first-stage desorption tower is 2.88%. The concentration of the product gas flowing out of the adsorption tower is 0.02%; the methane concentration of the second-stage imported raw material gas is 2.88%, the concentration of the analytical gas flowing out of the second-stage desorption tower is 17.92%, and the concentration of the product gas flowing out of the second-stage adsorption tower is 0.21% , the second-stage product gas enters th...
specific Embodiment 2
[0045] Specific embodiment 2. Adsorption at normal pressure and 25°C, vacuum analysis at 20kPa, gas flow rate of 500sccm, adsorption in the adsorption tower, the ratio of the diameter of the analysis pipe to the total length is 1:9, and the use of 1000m 2 Under the condition that the modified activated carbon per gram is used as the adsorbent, the methane concentration of the raw material gas is 0.10%, the methane concentration of the first-stage imported raw material gas is 0.10%, and the concentration of the desorption gas flowing out of the first-stage desorption tower is 3.12%. The concentration of the product gas flowing out of the adsorption tower is 0.01%; the methane concentration of the second stage imported raw material gas is 3.12%, the concentration of the analytical gas flowing out of the second stage desorption tower is 19.26%, and the concentration of the product gas flowing out of the second stage adsorption tower is 0.15% , the second-stage product gas enters ...
specific Embodiment 3
[0046] Specific embodiment 3. Adsorption at normal pressure and 25°C, vacuum analysis at a vacuum pressure of 20kPa, gas flow rate of 500sccm, adsorption in the adsorption tower, the ratio of the diameter of the analysis pipe to the total length is 1:12, and the use of 1000m 2 Under the condition that the modified activated carbon per g is used as the adsorbent, the methane concentration of the raw material gas is 0.10%, the methane concentration of the first-stage imported raw material gas is 0.10%, and the concentration of the desorbed gas flowing out of the first-stage desorption tower is 3.02%. The concentration of the product gas flowing out of the adsorption tower is 0.02%; the methane concentration of the second stage imported raw material gas is 3.02%, the concentration of the analytical gas flowing out of the second stage desorption tower is 18.63%, and the concentration of the product gas flowing out of the second stage adsorption tower is 0.19% , the second-stage pr...
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