Method of use of an ionic liquid and device for sorption of a gas
a technology of ionic liquid and gas, which is applied in the direction of hydrogen sulfide, machine/engine, combustion air/fuel air treatment, etc., can solve the problems of cost-intensive removal of known cosub>2 processes, and achieve the effect of saving to use or less expensiv
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example 1
[0076]The experiment was performed at room temperature and a vapor pressure equilibrium of 338 hPa. A beaded bottle is flushed with 120 ml of hydrogen sulphide by using two needles. One of the needles is connected to a manometer having a resolution of 1 hPa. Subsequently 1 ml of TOMA-acetate is injected into the bottle by using one of the needles, wherein the TOMA-acetate was preheated by a hairdryer in order to reduce the viscosity. After 30 minutes of stirring by using a magnetic stir bar a constant reduction of the pressure of 622 hPa was observed. This pressure reduction corresponds to a molar ratio of 0.26 moIH2S / molIL at an equilibrium pressure of 338 hPa. For comparison, a 30% aqueous solution of monoethanolamine provides, under the same conditions, a pressure reduction of 651 hPa which corresponds to a molare ratio of 0.11 molH2S / molL at an equilibrium pressure of 309 hPa.
example 2
[0077]The experiment was performed at room temperature and a vapor pressure equilibrium of 523 hPa. A beaded bottle is flushed with 120 ml of carbon dioxide by using two needles. One of the needles is connected to a manometer having a resolution of 1 hPa. Subsequently 1 ml of TOMA-acetylacetonate is injected into the bottle by using one of the needles, wherein the TOMA-acetylacetonate was preheated by a hairdryer in order to reduce the viscosity. After 30 minutes of stirring by using a magnetic stir bar a constant reduction of the pressure of 437 hPa was observed. This pressure reduction corresponds to a molar ratio of 0.18 molCO2 / molIL at an equilibrium pressure of 523 hPa. For comparison, a 30% aqueous solution of monoethanolamine provides, under the same conditions, a pressure reduction of 670 hPa which corresponds to a molare ratio of 0.12 molCO2 / molL at an equilibrium pressure of 290 hPa.
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