Post-Synthesis Functionalization Enables Fine-Tuning the Molecular-Sieving Properties of Zeolites for Light Olefin/Paraffin Separations.
Sign Up to like & getrecommendations! Published in 2021 at "Advanced materials"
DOI: 10.1002/adma.202105398
Abstract: Zeolite molecular sieves are widely used in gas separation and shape-selective catalysis, but these applications often require discriminating differences as little as 0.1 Å. Molecular sieving with such size selectivity demands zeolites with highly tunable… read more here.
Keywords: olefin paraffin; paraffin separations; light olefin; molecular sieving ... See more keywords
Chiral Separation via Molecular Sieving: A Computational Screening of Suitable Functionalizations for Nanoporous Graphene
Sign Up to like & getrecommendations! Published in 2018 at "Chemphyschem"
DOI: 10.1002/cphc.201800413
Abstract: Abstract In a recent study [Angew. Chem. Int. Ed., 2014, 53, 9957–9960] a new concept of chiral separation has been suggested, which is based on functionalized, nanoporous sheets of graphene. In this follow‐up article we discuss… read more here.
Keywords: sieving computational; chiral separation; via molecular; separation ... See more keywords
Hetero-Polycrystalline Membranes with Narrow and Rigid Pores for Molecular Sieving.
Sign Up to like & getrecommendations! Published in 2022 at "Small"
DOI: 10.1002/smll.202205542
Abstract: Molecular sieving membranes have great potential for energy-saving separations, but they suffer from permeability-selectivity trade-off limitation. In this report, simultaneous hetero-crystallization and hetero-linker coordination of metal-organic framework (MOF) hollow fiber membranes through one-pot synthesis for… read more here.
Keywords: hetero; hetero polycrystalline; molecular sieving; polycrystalline membranes ... See more keywords
Natural organic matter undergoes different molecular sieving by adsorption on activated carbon and carbon nanotubes.
Sign Up to like & getrecommendations! Published in 2018 at "Chemosphere"
DOI: 10.1016/j.chemosphere.2018.03.197
Abstract: We have comprehensively compared the molecular sieving of natural organic matter (NOM) by adsorption on activated carbon (AC) and multi-walled carbon nanotubes (CNT) using different types of NOM. All water samples were characterized using UV-visible… read more here.
Keywords: adsorption; carbon; natural organic; organic matter ... See more keywords
Investigation of the attapulgite hybrid carbon molecular sieving membranes for permanent gas separation
Sign Up to like & getrecommendations! Published in 2019 at "Chemical Engineering Research and Design"
DOI: 10.1016/j.cherd.2019.09.011
Abstract: Abstract Carbon molecular sieving (CMS) membranes with enhanced separation performance were prepared from polyimide incorporated with attapulgite (ATP). The membranes were characterized by thermogravimetry, Fourier transform infrared spectroscopy, scanning electron microscope and X-ray diffraction. The… read more here.
Keywords: gas separation; cms membranes; separation; carbon molecular ... See more keywords
The positive/negative effects of bentonite on O2/N2 permeation of carbon molecular sieving membranes
Sign Up to like & getrecommendations! Published in 2019 at "Microporous and Mesoporous Materials"
DOI: 10.1016/j.micromeso.2019.04.070
Abstract: Abstract In this work, bentonite (BT) was first developed as additives to modify carbon molecular sieving (CMS) membranes. The membrane samples were characterized by the techniques of thermogravimetric analysis, differential scanning calorimetry, infrared spectroscopy, X-ray… read more here.
Keywords: permeation; molecular sieving; cms; cms membranes ... See more keywords
Molecular Sieving of Propylene from Propane in Metal-Organic Framework-Derived Ultramicroporous Carbon Adsorbents.
Sign Up to like & getrecommendations! Published in 2022 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.2c09189
Abstract: The development of adsorption-based separation processes alternative to the energy-intensive cryogenic distillation for a mixture of propylene and propane remains essential but challenging in gas industries. Molecular sieving separation of C3H6/C3H8 on stable carbon adsorbents… read more here.
Keywords: carbon; propylene propane; carbon adsorbents; molecular sieving ... See more keywords
Controlling Pore Shape and Size of Interpenetrated Anion-Pillared Ultramicroporous Materials Enables Molecular Sieving of CO2 Combined with Ultrahigh Uptake Capacity.
Sign Up to like & getrecommendations! Published in 2018 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.8b03358
Abstract: The separation of carbon dioxide (CO2) from hydrocarbons is a critical process for the production of clean energy and high-purity chemicals. Adsorption based on molecular sieving is an energy-saving separation process; however, most of molecular… read more here.
Keywords: uptake capacity; co2; separation; pore shape ... See more keywords
Metal-Organic Framework Composite Photothermal Membrane for Removal of High-Concentration Volatile Organic Compounds from Water via Molecular Sieving.
Sign Up to like & getrecommendations! Published in 2022 at "ACS nano"
DOI: 10.1021/acsnano.2c02520
Abstract: Water-soluble volatile organic compounds (VOCs) are among the most difficult-to-treat species during wastewater treatment. The current purification and removal of high-concentration VOCs still rely on the energy-consuming distillation and high-pressure driven reverse osmosis technology. There… read more here.
Keywords: water; concentration; molecular sieving; high concentration ... See more keywords
Adsorptive Molecular Sieving of Styrene over Ethylbenzene by Trianglimine Crystals
Sign Up to like & getrecommendations! Published in 2021 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.0c13019
Abstract: The separation of styrene (ST) and ethylbenzene (EB) mixtures is of great importance in the petrochemical and plastics industries. Current technology employs multiple cycles of energy-intensive distillation due to the very close boiling points of… read more here.
Keywords: sieving styrene; styrene ethylbenzene; molecular sieving; trianglimine crystals ... See more keywords
Strict molecular sieving over electrodeposited 2D-interspacing-narrowed graphene oxide membranes
Sign Up to like & getrecommendations! Published in 2017 at "Nature Communications"
DOI: 10.1038/s41467-017-00990-x
Abstract: To separate small molecules/species, it’s crucial but still challenging to narrow the 2D-interspacing of graphene oxide (GO) membranes without damaging the membrane. Here the fast deposition of ultrathin, defect-free and robust GO layers is realized… read more here.
Keywords: graphene oxide; sieving electrodeposited; oxide membranes; molecular sieving ... See more keywords