Desulfurizing agent for purifying natural gas and petrochemical gas
A petrochemical and gas purification technology, which is applied in the field of desulfurization agent and polymer amine to remove H2S solvent, to achieve the effect of convenient solvent regeneration, good economy, and not easy to chemical degradation
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[0010] Example 1
[0011] Prepare a polymerized amine-glycol solution with a 5% mass percentage of polymerized amine. Add 95 grams of ethylene glycol and 5 grams of polymeric amine into an open container, and stir with a stirrer to make a uniform solution, which is a desulfurizer. Certain natural gas feedstock, H 2 S content is 324.5mg / m 3 , At an airspeed of 160h -1 , Under the conditions of absorption pressure 0.1MPa and temperature 25℃, desulfurization is carried out with a prepared desulfurizer, and the sulfur content of the purified gas is 0.2mg / m 3 , Desulfurization rate> 99.9%.
Example Embodiment
[0012] Example 2
[0013] Prepare a 95% polymerized amine-water solution. Add 95 grams of water and 5 grams of polymeric amine into an open container, and stir with a stirrer to make a uniform solution, which is a desulfurizer. Certain natural gas feedstock, H 2 S content is 324.5mg / m 3 . 160h at airspeed -1 , Under the conditions of absorption pressure of 0.1MPa and temperature of 25℃, desulfurization is performed with a prepared desulfurizer, and the sulfur content of the purified gas is 0 mg / m 3 , The desulfurization rate is 100%.
Example Embodiment
[0014] Example 3
[0015] Prepare a polymeric amine-glycol solution with 18% polymeric amine percentage. Add 82 grams of water and 18 grams of polymeric amine into an open container, stir with a stirrer to make a uniform solution, which is a desulfurizer. Use N 2 Simulated sulfur-containing feed gas, H 2 S content is 11065.4mg / m 3 , Desulfurization is carried out with a prepared desulfurizer, at a space velocity of 160h -1 、Under the condition of absorption pressure 0.1MPa and temperature 35℃, the sulfur content of purified gas is 4.2mg / m 3 , Desulfurization rate> 99.9%.
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