Rational design of mixed-matrix metal-organic framework membranes for molecular separations
Science, 2022•science.org
Conventional separation technologies to separate valuable commodities are energy
intensive, consuming 15% of the worldwide energy. Mixed-matrix membranes, combining
processable polymers and selective adsorbents, offer the potential to deploy adsorbent
distinct separation properties into processable matrix. We report the rational design and
construction of a highly efficient, mixed-matrix metal-organic framework membrane based on
three interlocked criteria:(i) a fluorinated metal-organic framework, AlFFIVE-1-Ni, as a …
intensive, consuming 15% of the worldwide energy. Mixed-matrix membranes, combining
processable polymers and selective adsorbents, offer the potential to deploy adsorbent
distinct separation properties into processable matrix. We report the rational design and
construction of a highly efficient, mixed-matrix metal-organic framework membrane based on
three interlocked criteria:(i) a fluorinated metal-organic framework, AlFFIVE-1-Ni, as a …
Conventional separation technologies to separate valuable commodities are energy intensive, consuming 15% of the worldwide energy. Mixed-matrix membranes, combining processable polymers and selective adsorbents, offer the potential to deploy adsorbent distinct separation properties into processable matrix. We report the rational design and construction of a highly efficient, mixed-matrix metal-organic framework membrane based on three interlocked criteria: (i) a fluorinated metal-organic framework, AlFFIVE-1-Ni, as a molecular sieve adsorbent that selectively enhances hydrogen sulfide and carbon dioxide diffusion while excluding methane; (ii) tailoring crystal morphology into nanosheets with maximally exposed (001) facets; and (iii) in-plane alignment of (001) nanosheets in polymer matrix and attainment of [001]-oriented membrane. The membrane demonstrated exceptionally high hydrogen sulfide and carbon dioxide separation from natural gas under practical working conditions. This approach offers great potential to translate other key adsorbents into processable matrix.
AAAS
以上显示的是最相近的搜索结果。 查看全部搜索结果