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A highly-permeable and rugged CO 2 membrane on a thin porous metal sheet backbone

Control Number: 0208-1605. Catalyzed CO 2 -Transport Membrane on High Surface Area Inorganic Support Dr. Wei Liu, Pacific Northwest National Laboratory (PNNL). Technology Summary. Dr. Wei Liu, PNNL, Richland, Washington Dr. Vladimir S. Moxson, ADMA Products, Hudson, Ohio

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A highly-permeable and rugged CO 2 membrane on a thin porous metal sheet backbone

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  1. Control Number: 0208-1605 Catalyzed CO2-Transport Membrane on High Surface Area Inorganic SupportDr. Wei Liu, Pacific Northwest National Laboratory (PNNL) Technology Summary Dr. Wei Liu, PNNL, Richland, Washington Dr. Vladimir S. Moxson, ADMA Products, Hudson, Ohio Prof. Suojiang Zhang, Institute of Process Engineering (IPE), Chinese Academy of Sciences, Beijing, China • Inexpensive, thin ceramic/metal sheet technology combines high surface area packing density, material stability, and high gas permeability with a catalytic coating that speeds transport of CO2 across the membrane with a minimal heat requirement • Non-volatile, CO2-selective fluid is immobilized by capillary force in the meso-pores of an metal oxide matrix (<2m ) which is supported on a thin, porous metal substrate sheet (~50m-thick, ~1.0m- pore sizes) • Thin membrane technology can be stacked like paper, potentially making the membrane module volume for efficient capture by up to 60X times smaller than current technologies • Steady-state process with continuous adsorption on one side of the membrane and continuous desorption on the other does not require periodic cycling, thereby dramatically simplifying the process and reducing both capital and energy costs Program Summary ARPA-E funds: $2,728,119 Cost-share: $750,000Total budget: $3,478,119 Period of performance: 36 months Technology Development Meso-porous coating of metal oxides on the metal sheet Robust, thin porous metal sheet support (~50m thick, ~1.0m pore size) Technology Impact • Has potential to provide a 65% reduction in energy consumption compared to conventional solvent capture systems • Will increase the CO2 permeance level by an order of magnitude over state-of-the-art and address stability and manufacturing cost issues • PNNL, ADMA Products (porous metal sheet manufacturer) and IPE (world-renowned research group in ionic liquids) will advance the technology from total readiness level of 3 to 6 in three years and enhance the likelihood of ultimate deployment for a global solution Tailoring of pore structures and surface chemistry of the coating Immobilization of CO2-selective fluid A highly-permeable and rugged CO2 membrane on a thin porous metal sheet backbone

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