Organic reactions using clay and clay-supported catalysts: a survey of recent literature

G Nagendrappa, RR Chowreddy - Catalysis Surveys from Asia, 2021 - Springer
Clays and modified or supported clays have become some of the widely used catalysts for a
variety of organic reactions, due to their easy structural modifications and activation, low …

[HTML][HTML] Modified natural kaolin clay as an active, selective, and stable catalyst for methanol dehydration to dimethyl ether

MA El-Aal, AEAA Said, MH Abdallah, MN Goda - Scientific Reports, 2022 - nature.com
In this work, the production of dimethyl ether (DME) from methanol over natural kaolin clay
modified through impregnation with various percentages of H2SO4, WO3, or ZrO2 catalysts …

Continuous synthesis of oxymethylene ether fuels from dimethyl ether in a heterogeneously catalyzed liquid phase process

M Drexler, P Haltenort, U Arnold… - Chemie Ingenieur …, 2022 - Wiley Online Library
Oxymethylene ethers (OME) are an attractive alternative to fossil diesel fuel due to strongly
reduced harmful emissions. An anhydrous, liquid phase production process based on …

[HTML][HTML] Silica-Related Catalysts for CO2 Transformation into Methanol and Dimethyl Ether

I Barroso-Martín, A Infantes-Molina, F Jafarian Fini… - Catalysts, 2020 - mdpi.com
The climate situation that the planet is experiencing, mainly due to the emission of
greenhouse gases, poses great challenges to mitigate it. Since CO2 is the most abundant …

Insight into mechanisms of heavy metal-induced natural clay aggregation

Q Li, R Tian, Q Yang - Applied Clay Science, 2023 - Elsevier
Transfer risk of heavy metal in soil–water–organism systems strongly depend on natural clay
aggregation/dispersion. An important characteristic of natural clay minerals is their strong …

Cation adsorption at permanently (montmorillonite) and variably (quartz) charged mineral surfaces: Mechanisms and forces from subatomic scale

Q Li, R Li, W Shi - Applied Clay Science, 2021 - Elsevier
In this study, the adsorption behavior of monovalent cations Li+, Na+, and Cs+ in LiCl, NaCl,
and CsCl solutions, respectively, on montmorillonite and quartz surfaces were investigated …

[HTML][HTML] Heteropolyacid salt catalysts for methanol conversion to hydrocarbons and dimethyl ether: effect of reaction temperature

Y Yu, D Sun, S Wang, M Xiao, L Sun, Y Meng - Catalysts, 2019 - mdpi.com
Phosphotungstic and silicotungstic acid salt catalysts (CuPW, CuSiW, FePW, FeSiW) were
synthesized by substitution of protons with ferric and copper ions through a simple …

[HTML][HTML] Direct dehydrogenation of methanol to formaldehyde over ZnO–SiO 2-based catalysts

AG Chowdhury, U Arnold, K Garbev… - Catalysis Science & …, 2024 - pubs.rsc.org
Direct dehydrogenation of methanol to formaldehyde and hydrogen is a “dream reaction”
requiring catalysts, which are not only active in this highly endothermic reaction but also …

Sustainable pathways to oxicams via heterogeneous biosourced catalysts-Recyclable and reusable materials

C Waterlot, A Ghinet, P Dufrénoy, M Hechelski… - Journal of Cleaner …, 2024 - Elsevier
The current study highlights the synthesis of Zn-enriched biosourced catalysts (BIOCATs)
obtained from ryegrass (Lolium perenne L.) cultivated on contaminated soils located in the …

The catalytic performance of γ-Al2O3/red clay as a highly active, selective, and stable catalyst for methanol dehydration to dimethyl ether at competitive low reaction …

AEAA Said, MN Goda, A Mohamed… - Materials Chemistry and …, 2024 - Elsevier
This study aims to a more environment eco-friendly approach for producing dimethyl ether
(DME), as an alternative fuel, through the dehydration of methanol. The method involves …