Initial Evaluation of CaSDB MOF Xe and Kr Capacities

Welty, Amy K.; Garn, Troy G.; Greenhalgh, Mitchell

doi:10.2172/1467472

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“…The BET analysis concluded that the material had a surface area of 219 m 2 /g. For comparison, BET analyses on previous batches of the compressed CaSDB yielded surface areas of 4 m 2 /g and 81 m 2 /g (Welty, Garn, & Greenhalgh, 2018).…”

Section: Casdbmentioning

confidence: 99%

“…The resultant material was tested at INL. Initial testing concluded that CaSDB had a sufficient saturation capacity for Xe, but a low breakthrough capacity (Welty, Garn, & Greenhalgh, 2018). The physical examination of the material in the 2016 report refers to CaSDB as being easily friable to a fine dust, which will pose engineering challenges when designed for use in a flow through process.…”

Section: Introductionmentioning

confidence: 99%

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Developing an Engineered Form of MOFs CaSDB and HKUST –1

Fujimoto

Welty

Greenhalgh

et al. 2019

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Selective krypton (Kr) and xenon (Xe) capture experiments for various adsorbents have been performed extensively at Idaho National Laboratory (INL). As part of the Off-Gas Sigma Team efforts, Pacific Northwest National Laboratory (PNNL) has suggested the use of metal-organic frameworks (MOFs) in place of more traditional inorganic sorbents. In 2016, PNNL developed compressed and ground engineered forms of calcium-4,4'-sulfonyl dibenzoate (CaSDB) MOF which was subsequently tested at (INL). The tests revealed that the CaSDB had a sufficient saturation capacity, but a low breakthrough capacity. The larger issue was that the CaSDB form was not robust enough to withstand the handling necessary for installation in a flow through column. Developing an Engineered Form of MOFs CaSDB and HKUST-1 iv

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Section: Casdbmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%