Molten hydroxide membrane for separation of acid gases from emissions
AssigneeLawrence Livermore National Security, LLC
InventorsMarcus Worsley, Patrick Campbell, Sangil Kim, Matthew Merrill
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Abstract
In one embodiment, a separation membrane includes: a porous support structure; and at least one alkali metal hydroxide disposed within pores of the porous support structure. In another embodiment, a method for separating acidic gases from a gas mixture includes exposing the gas mixture to a separation membrane at an elevated temperature, where the separation membrane includes a porous support and at least one molten alkali metal hydroxide disposed within pores of the porous support.
Claims19
A separation membrane, comprising:
- a porous support structure, wherein the porous support structure is configured to retain at least one alkali metal hydroxide in a molten phase within pores of the porous support structure based on capillary action;
- and
- at least one alkali metal hydroxide disposed within pores of the porous support structure.
A method for separating acidic gases from a gas mixture, the method comprising:
- exposing the gas mixture to a separation membrane at an elevated temperature, wherein the separation membrane comprises:
- a porous support structure, wherein the porous support structure is configured to retain at least one alkali metal hydroxide in a molten phase within pores of the porous support structure based on capillary action;
- and
- at least one alkali metal hydroxide disposed within pores of the porous support structure.
Dependencies are inferred from the claim text.