Journal ArticleDOI
Accelerated Synthesis of a Ni2Cl2(BTDD) Metal–Organic Framework in a Continuous Flow Reactor for Atmospheric Water Capture
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TLDR
In this article, a computational fluid dynamics (CFD) model was developed to quantitate productivity enhancements in the flow reactor based on improved heat transfer rates, larger surface-area to volume ratios, and effective residence times.Abstract:
Atmospheric water capture (AWC) has tremendous potential to address the global shortage of clean drinking water. The Ni₂Cl₂(BTDD) metal–organic framework (MOF) has shown optimal water sorption performance under low relative humidity conditions, but its potentially high production costs, stemming in part from its lengthy multiday synthesis, has hindered widespread implementation. As with most traditional MOF syntheses, the original synthesis of Ni₂Cl₂(BTDD) involves batch reactors that have intrinsic inefficiencies impacting productivity during scale-up. We report a continuous manufacturing process for Ni₂Cl₂(BTDD) that can achieve higher yields, reduced solvent use, and drastically faster crystallization times in comparison to the batch process. Optimization of the synthesis space in the flow reactor as a function of residence time, temperature, and solvent volume yields 50% and 40% reductions in methanol and hydrochloric acid consumption by volume, respectively, with a simultaneous 3-fold increase in productivity (defined in units of kgMOF m–³day–¹). A computational fluid dynamics (CFD) model was developed to quantitate productivity enhancements in the flow reactor based on improved heat-transfer rates, larger surface-area to volume ratios, and effective residence times. This work adds critical facets to the growing body of research suggesting that the synthesis of MOFs in flow reactors offers unique opportunities to reduce production costs.read more
Citations
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A continuous flow chemistry approach for the ultrafast and low-cost synthesis of MOF-808
TL;DR: In this paper, a low-cost and energy-efficient continuous manufacturing process for Zr-MOF-808 using flow-through reactors that increase process yields and minimize solvent use compared to batch processes is reported.
Liquid-liquid slug flow hydrodynamics and pressure drop in micro channels
TL;DR: In this article, the hydrodynamics and the pressure drop of liquid-liquid slug flow in round microcapillaries are presented, and two models are presented: the stagnant film model and the moving film model.
Journal ArticleDOI
High-yield, green and scalable methods for producing MOF-303 for water harvesting from desert air
Zhiling Zheng,Ha L. Nguyen,Nikita Hanikel,Kelvin Kam-Yun Li,Zihui Zhou,Tianqiong Ma,Omar M. Yaghi +6 more
Journal ArticleDOI
Toward Sustainable Li-Ion Battery Recycling : Green Metal-Organic Framework as a Molecular Sieve for the Selective Separation of Cobalt and Nickel
Jędrzej Piątek,Tetyana M. Budnyak,Susanna Monti,Giovanni Barcaro,Robin Gueret,Erik Svensson Grape,Aleksander Jaworski,A. Ken Inge,Bruno V. M. Rodrigues,Adam Slabon +9 more
TL;DR: The growing demand for Li-ion batteries (LIBs) has made their postconsumer recycling an imperative need toward the recovery of valuable metals, such as cobalt and nickel as mentioned in this paper.
Journal ArticleDOI
Solvothermal Crystallization Kinetics and Control of Crystal Size Distribution of MOF-808 in a Continuous Flow Reactor
TL;DR: In this article, the authors employed a continuous flow reactor to elucidate the kinetics of crystallization for the Zr-based MOF-808 using time-resolved powder X-ray diffraction measurements.
References
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Journal ArticleDOI
The Chemistry and Applications of Metal-Organic Frameworks
Hiroyasu Furukawa,Hiroyasu Furukawa,Kyle E. Cordova,Kyle E. Cordova,Michael O'Keeffe,Michael O'Keeffe,Omar M. Yaghi,Omar M. Yaghi,Omar M. Yaghi +8 more
TL;DR: Metal-organic frameworks are porous materials that have potential for applications such as gas storage and separation, as well as catalysis, and methods are being developed for making nanocrystals and supercrystals of MOFs for their incorporation into devices.
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Introduction to Metal–Organic Frameworks
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Industrial applications of metal–organic frameworks
TL;DR: An overview of the potential applications of MOFs in the chemical industry is presented and the synthesis and characterization of the materials are briefly discussed from the industrial perspective.
Journal ArticleDOI
Natural zeolites as effective adsorbents in water and wastewater treatment
Shaobin Wang,Yuelian Peng +1 more
TL;DR: A review of the recent development of natural zeolites as adsorbents in water and wastewater treatment can be found in this paper, where the properties and modification of natural zerosite are discussed and the modified zerosites achieving higher adsorption capacity for organics and anions.
Journal ArticleDOI
Reactions in Droplets in Microfluidic Channels
TL;DR: Fundamental and applied research in chemistry and biology benefits from opportunities provided by droplet-based microfluidic systems, which enable the miniaturization of reactions by compartmentalizing reactions in droplets of femoliter to microliter volumes.