Integrated heat management systems and processes for adsorbed natural gas storage facilities
AssigneeSaudi Arabian Oil Company
InventorsMohammed Alhashim, Calogero Migliore, Yuguo Wang, Rashid Othman, Ahmad Bahamdan
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Abstract
Systems and methods for heat exchange during gas adsorption and desorption cycling, one method including removing heat from an adsorbent material during gas adsorption to the adsorbent material; storing the removed heat for later use during desorption of gas from the adsorbent material; heating the adsorbent material during desorption of gas from the adsorbent material using at least a portion of the removed heat; and recycling heat during the step of heating to prepare a working fluid for the step of removing heat via temperature reduction of the working fluid.
Claims15
A method for heat exchange during gas adsorption and desorption cycling, the method comprising the steps of:
- removing heat from an adsorbent material during gas adsorption to the adsorbent material, where the adsorbent material is selected from the group consisting of:
- activated carbon, zeolites, membranes, metal organic frameworks, and combinations of the same, where removing heat maintains the temperature of the adsorbent material between about 25° C. and about 45° C.;
- storing the removed heat for later use during desorption of gas from the adsorbent material;
- heating the adsorbent material during desorption of gas from the adsorbent material using at least a portion of the removed heat, where heating maintains the temperature of the adsorbent material between about 45° C. and about 55° C.;
- and
- recycling heat during the step of heating to prepare a working fluid for the step of removing heat via temperature reduction of the working fluid, wherein the working fluid comprises water.
Dependencies are inferred from the claim text.