Cold Temperature Direct Air CO 2 Capture with Amine-Loaded Metal–Organic Framework Monoliths
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Implementing a chemical C–N coupling step to intercept reactive intermediates in electrocatalytic CO 2 or NO x y– reduction reactions is an emerging approach to sustainable electrosynthesis of organonitrogen compounds from cheap and abundant feedstocks.
Nickel-supported nitrenoids exhibit iminyl character, as determined by multi-edge XAS and TDDFT analysis, demonstrate efficacy for C–H activation and nitrene transfer chemistry.
The wide spread use of hazardous and expensive solvents for the liquid-liquid extraction (LLE) of critical metals has been a growing source of waste in the metal refinement industry. We have developed and characterized room temperature liquid hydrophobic binary mixtures based on common pharmaceutical and food grade compounds as sustainable, cost effective alternatives to both ionic liquids and conventional solvents. Additionally, we introduce liquid mixtures with Proton Sponge® (1,8-bis(dimethylamino)naphthalene), one of the strongest known organic bases. These mixtures have been applied to the LLE of indium(III) ions from hydrochloric acid solutions, displaying an extraction efficiency greater than 99% in some systems. Here, a systematic approach to identifying the underlying mechanism of extraction, in particular relating to the charge, solubility, and complexation of the indium species in the organic phase has been developed.
Multi-responsive colorimetric sensors based on the hydrazone motif, which are perfectly suited for chemo sensing applications have been developed.
Pure-gas sorption and mixed-gas transport properties of six functionalized PIM-1 variants were systematically investigated to study the role of CO 2 affinity and polymer chemistry on competitive sorption.