📄 chemistry

Thermodynamics-Informed Graph Learning for Predicting CO2 Solubility in Water and Multicomponent Brines

This paper proposes a thermodynamics-informed graph learning framework to predict CO2 solubility in saline brines by modeling chemical interactions as graphs with physical constraints, demonstrating that while graph-based descriptors improve relative-error performance compared to traditional models, high-salinity extrapolation remains a significant challenge.

Abu Bakker Siddique2026-07-01
📄 chemistry

Comparative Kinetic Analysis and Activation Energies for FAME Synthesis via Aminated Silica Heterogeneous Catalysis

This study investigates the component-specific kinetics and activation energies of sunflower oil transesterification over amine-modified silica, revealing that different fatty acid methyl esters follow distinct kinetic models (ranging from pseudo-first-order to Eley-Rideal) and exhibit varying activation energies, thereby providing essential mechanistic insights for optimizing sustainable biodiesel reactor design.

Tara Ghaffarinejad, Ramin Karimzadeh2026-07-01
📄 chemistry

Chemical characterization of Dioscorea cirrhosa by UHPLC-Q-Exactive Orbitrap Mass Spectrometry and assessment of their antioxidant activities

This study utilizes UHPLC-Q-Exactive Orbitrap MS to comprehensively identify 196 compounds, including 176 reported for the first time in *Dioscorea cirrhosa* peels, and confirms the waste material's significant antioxidant potential through in vitro assays.

Shani Li, Qiru Chen, Menglin Tang, Sunv Tang, Sixuan Yang, Ting Qing, Qingjiao He2026-07-01
📄 chemistry

Recycling of waste ceramic rollers for the production of corundum-mullite as a high- alumina synthetic refractory material

This study demonstrates that waste ceramic rollers can be effectively recycled via hydrofluoric acid leaching to produce a high-performance corundum-mullite synthetic refractory material that exhibits superior bulk density, lower porosity, and reduced permanent linear change at 1650°C compared to sintered bauxite.

Seyed Mohsen Emami, Mohammad Reza Rahimipour2026-07-01