Constructing robust and highly-selective hydrogel membranes by bioadhesion-inspired method for CO2 separation
نویسندگان
چکیده
منابع مشابه
A new tetrazolate zeolite-like framework for highly selective CO2/CH4 and CO2/N2 separation.
A new tetrazolate zeolite-like framework with a diamond topology, UTSA-49, was synthesized. UTSA-49 shows high selectivity for CO2/CH4 and CO2/N2 indicating a synergistic effect of the suitable pore size/shape and functional groups.
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Carbon dioxide (CO2) can be commonly found in natural gas streams, biogas, flue gas and product of coal gasification[1]. The presence of CO2 and other acid gases reduce the thermal efficiency and make the gas streams become acidic and corrosive, which in turn reduces the possibilities of gas compression and the transport within the transportation systems[2]. Membrane separation is a promising t...
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The synthesis of reproducible and continuous AlPO-18 membranes is demonstrated. The separation performance of these membranes for equimolar CO(2)/CH(4) gas mixtures is presented. The AlPO-18 membranes displayed CO(2) permeances as high as ~6.6 × 10(-8) mol m(-2) s Pa with CO(2)/CH(4) separation selectivities in the ~52-60 range at 295 K and 138 kPa.
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Zeolite Rho is able to successfully separate CO(2) from CH(4) with the highest selectivity ever observed on the basis of pore diameter and surface polarity. The adsorption of CO(2) provokes structural changes in the zeolite Rho.
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Mixed matrix membranes (MMMs) composed of a glassy polymer (polysulfone) and the flexible metal organic framework NH(2)-MIL-53(Al) exhibit excellent separation properties. In contrast to most reported membranes, CO(2)/CH(4) separation selectivity increases with pressure, related to the flexibility of the filler.
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ژورنال
عنوان ژورنال: Journal of Membrane Science
سال: 2018
ISSN: 0376-7388
DOI: 10.1016/j.memsci.2018.05.075