Water-Stable Metal-Organic Frameworks for Water Adsorption

Wang, Xuan; Lee, Charles

doi:10.1007/978-3-030-74406-9_14

Advances in Sustainable Energy 2021

DOI: 10.1007/978-3-030-74406-9_14

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Water-Stable Metal-Organic Frameworks for Water Adsorption

Xuan Wang

Charles Lee

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Cited by 3 publications

References 85 publications

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Extreme Ion‐Transport Inorganic 2D Membranes for Nanofluidic Applications

et al. 2023

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Inorganic 2D materials offer a new approach to controlling mass diffusion at the nanoscale. Controlling ion transport in nanofluidics is key to energy conversion, energy storage, water purification, and numerous other applications wherein persistent challenges for efficient separation must be addressed. The recent development of 2D membranes in the emerging field of energy harvesting, water desalination, and proton/Li‐ion production in the context of green energy and environmental technology is herein discussed. The fundamental mechanisms, 2D membrane fabrication, and challenges toward practical applications are highlighted. Finally, the fundamental issues of thermodynamics and kinetics are outlined along with potential membrane designs that must be resolved to bridge the gap between lab‐scale experiments and production levels.

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Extreme Ion‐Transport Inorganic 2D Membranes for Nanofluidic Applications

et al. 2023

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Water Harvesting by Molecular Sieves Using Self-sustained Continuous Flow

et al. 2023

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A way of harvesting water from the air that avoids the discontinuity of the adsorption/desorption cycles is theoretically analyzed. A rectangular prism-shaped adsorbent bed is immersed in low-humidity air, at an angle to the horizontal and subject to a temperature gradient between two opposite and open faces. The other four faces of the prism remain isolated. Water is adsorbed on the adsorbent colder face, causing a density gradient in the surrounding air, parallel to the surface, that results in a self-sustained continuous air flow. On the opposite face, a self-sustained continuous air flow parallel to the surface also arises, but this time due to a temperature gradient in the air surrounding the hot bed face. In addition, its higher temperature causes the desorption of water from the adsorbent. This overall water exchange produces the enrichment of water content in one of the air streams that is crucial to produce water harvesting. The performance of Al-Fumarate, MOF-303, SAPO-34 and Zeolite 13X is tested, unveiling the key factors that increase flow rate and water concentration at the enriched phase. It has been found that the diffusive mass transport at the air-solid interphase is the bottleneck of water harvesting in continuous flow conditions. Therefore, if high concentration of water is desired, it is necessary to use porous materials with very high diffusitivities. These findings provide the foundations for the design of continuous water harvesting devices.

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The coming of age of water channels for separation membranes: from biological to biomimetic to synthetic

2022

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Water-Stable Metal-Organic Frameworks for Water Adsorption

Cited by 3 publications

References 85 publications

Extreme Ion‐Transport Inorganic 2D Membranes for Nanofluidic Applications

Extreme Ion‐Transport Inorganic 2D Membranes for Nanofluidic Applications

Water Harvesting by Molecular Sieves Using Self-sustained Continuous Flow

The coming of age of water channels for separation membranes: from biological to biomimetic to synthetic

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