Higher gas solubility in nanoliquids?

Beyond Henry's law: In nanometer‐confining media, gas solubility increases widely (see figure). H2, CH4 and C2H6 solubility values in two solvents are obtained by quantitative 1H NMR spectroscopy. A mass‐balance model involving the gas–liquid interface zone agrees well with the observed variation

Selective electrogenerative oxidation of 5-hydroxymethylfurfural to 2,5-furandialdehyde

2,5‐furandialdehyde (DFF) was synthesized by electrogenerative oxidation of 5‐hydroxymethylfurfural (HMF) over a PtRu catalyst with 89 % selectivity at 50 °C after 17 h. This approach opens an avenue for a selective, energy‐efficient and green oxidation of biomass‐derived platform alcohols to added‐value chemicals

Enhanced H 2

International audienceHydrogen uptake at 298 K and 30 bar in hybrid sorbents consisting of n-hexane confined in MIL-101 is found to be 22 times larger than in sole n-hexane. The enhanced solubility in MIL-101, found to be 3 times larger than in mesoporous silica of similar pore size, highlights the key roles played by surface chemistry and accessible surface area

Guest-Induced Gate Opening and Breathing Phenomena in Soft Porous Crystals: Building Thermodynamically Consistent Isotherms

INGENIERIE+MPE:DFAMetal organic-frameworks (MOFs) have emerged as a novel and fascinating family of porous materials offering promising perspectives for designing tailor-made adsorbents and catalysts. Particularly, great attention has been paid to flexible nanoporous MOFs (or Soft Porous Crystals) displaying structural phase transitions promoted by external stimuli. This is the case of guest-induced structural transitions upon adsorption being at the origin of the striking gate opening and breathing phenomena. We present here a short overview of the formulation of thermodynamic isotherms for describing S-shaped adsorption/desorption curves typical of such phenomena, as well as recent thermodynamic methods for estimating phase transition energies. These methods might be valuable for the rational design of gate opening/breathing MOFs

Porous Inorganic Membranes for CO 2

INGENIERIE+MP