Energetics of van der Waals Adsorption on the Metal-Organic Framework NU-1000 with Zr-oxo, Hydroxo, and Aqua Nodes.

We report measurements of adsorption isotherms and the determination of the isosteric heats of adsorption of several small gases (H, D, Ne, N, CO, CH, CH, Ar, Kr, and Xe) on the metal-organic framework (MOF) NU-1000, which is one of the most thermally stable MOFs. It has transition-metal nodes of formula Zr(μ-OH)(μ-O)(OH)(OH) that resemble hydrated ZrO clusters and can serve as catalysts or catalyst supports. The linkers in this MOF are pyrenes linked to the nodes via the carboxylate groups of benzoates.

Greenhouse gas emissions for refrigerant choices in room air conditioner units.

In this work, potential replacement refrigerants for window-mounted room air conditioners (RACs) in the U.S. have been evaluated using a greenhouse gas (GHG) emissions analysis.

Carbon dioxide emission implications if hydrofluorocarbons are regulated: a refrigeration case study.

The U.S. is strongly considering regulating hydrofluorocarbons (HFCs) due to their global climate change forcing effects.