The invention relates to a method for filling a tank (1) with a gas in gaseous phase in order to store said gas in solid phase, in which the gas is introduced into the tank (1) at either: a filling pressure (Pr) equal to the equilibrium pressure of a reactant product at a filling temperature plus α
The invention relates to a method for filling a tank (1) with a gas in gaseous phase in order to store said gas in solid phase, in which the gas is introduced into the tank (1) at either: a filling pressure (Pr) equal to the equilibrium pressure of a reactant product at a filling temperature plus α times the difference between the saturation vapor pressure (PS) of the gas at the filling temperature (Tr) and the equilibrium pressure of the reactant product, α being between 0.1 and 0.9; or a filling temperature (Tr) equal to the vaporization temperature of the gas at the filling pressure (Pr) plus β times the difference between the equilibrium temperature (Te) of the reactant product at the filling pressure (Pr) and the vaporization temperature of the gas, β being between 0.1 and 0.9.
대표청구항▼
1. A method of filling a storage tank with a gas, the gas being in gaseous phase in order to store the gas in solid phase, the method comprising: providing the storage tank, the storage tank containing a reagent, the reagent and the gas being such that, when placed in the presence of each other, a t
1. A method of filling a storage tank with a gas, the gas being in gaseous phase in order to store the gas in solid phase, the method comprising: providing the storage tank, the storage tank containing a reagent, the reagent and the gas being such that, when placed in the presence of each other, a thermochemical reaction occurs, resulting in the absorption of the gas by the reagent and the production of a solid reaction product, and conversely, a desorption reaction occurs of the gas absorbed by the reagent resulting from the application of heat to the reagent when the reagent has absorbed the gas, the absorption and desorption reactions resulting in an equilibrium occurring at an equilibrium pressure and an equilibrium temperature;wherein the gas is introduced into the storage tank at a filling temperature and at a filling pressure, the gas showing a saturation vapor pressure at the filing temperature and a vaporization temperature at the filing pressure, the filling pressure being equal to the equilibrium pressure of the reagent at the filling temperature plus α times the difference between the saturation vapor pressure of the gas at the filling temperature and the equilibrium pressure of the reagent at the filling temperature; the value of a falling between 0.1 and 0.9 or the filling temperature being equal to the vaporization temperature of the gas at the filling pressure plus β times the difference between the equilibrium temperature of the reagent at the filling pressure and the vaporization temperature of the gas the filling pressure; the value of β falling between 0.1 and 0.9. 2. The filling method according to claim 1, wherein the gas is contained in a container before entering the storage tank, the storage tank has a temperature, the container has a temperature, and the filling pressure is regulated by adjusting the temperature of the storage tank and/or the temperature of the container. 3. The filling method according to claim 2, wherein when filling the storage tank at a given filling temperature, the gas shows a vaporization temperature, wherein the storage tank and the container are kept at a constant temperature, wherein the container is kept at the constant temperature, which is equal to the vaporization temperature of the gas at the given filling pressure. 4. The filling method according to claim 3, wherein the constant temperature is obtained by immersing the storage tank and/or the container in a thermostatically controlled bath. 5. The filling method according to claim 1, wherein the reagent comprises a matrix binder. 6. The filling method according to claim 5, wherein the matrix binder is composed of expanded natural graphite. 7. The filling method according to claim 6, wherein the expanded natural graphite has an apparent density falling between 40 kg/m3 and 120 kg/m3. 8. The filling method according to claim 1, wherein the gas is ammonia. 9. The filling method according to claim 5, wherein the proportion by weight of the reagent in a reactive mixture including the reagent and matrix binder is between 50% and 98%. 10. The filling method according to claim 1, wherein the reagent comprises alkaline salts, alkaline-earth salts, or metal salts. 11. The filling method according to claim 10, wherein the reagent used comprises calcium chloride, barium chloride or manganese chloride. 12. The filling method according to claim 1, wherein α is equal to 0.5. 13. The filling method according to claim 1, wherein β is equal to 0.5. 14. The filling method according to claim 7, wherein the apparent density of the expanded natural graphite is equal to 50 kg/m3. 15. The filling method according to claim 9, wherein the proportion by weight of said reagent is 94%.
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이 특허에 인용된 특허 (4)
Fruchart, Daniel; Jehan, Michel; De Rango, Patricia; Miraglia, Salvatore; Marty, Philippe; Chaise, Albin; Garrier, Sylvain; Bienvenu, Gérard, Adiabatic tank for metal hydride.
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