Device and process for preparing acid through desulfuration of sulfur-containing natural gas single well
A technology of natural gas and sulfuric acid, applied in the direction of steam engine equipment, gas fuel, sulfur compounds, etc., to achieve the effect of no chemical consumption
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[0036] In this embodiment, the development and comprehensive utilization of a certain sour natural gas single well is taken as an example to further describe the invention and the device in detail.
[0037] The natural gas production capacity of a single well of sour natural gas is 15×104Nm3 / d; the source pressure of sour natural gas is 5.0MPa, the gas source temperature is 20°C, and the gas composition is shown in the table below.
[0038] Table: Gas composition table of a certain sour natural gas well
[0039]
[0040]
[0041] The desulfurization process for a sour natural gas single well is as follows:
[0042] Sour natural gas (containing H2S 7.161%, CO 2 5.512%) first pass through the gravity sedimentation separator 1 to remove the entrained liquid droplets and solid impurities; then enter the absorption tower 2 and contact with the MDEA liquid at 40 ° C in countercurrent to remove H 2 S and CO 2 . The 43.3°C desulfurized purified natural gas from the top of t...
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