Bifunctional acid-activated montmorillonite catalyzed biodiesel production from non-food oil: Characterization, optimization, kinetic and thermodynamic studies

L Chen, L He, B Zheng, G Wei, H Li, H Zhang… - Fuel Processing …, 2023 - Elsevier
Utilizing robust heterogeneous catalysts to efficiently produce biodiesel from low-cost non-
food oil is very important for replacing fossil energy to meet globally increasing energy …

Acidic and basic sites on the surface of sodium montmorillonite active for catalytic transesterification of glycerol to glycerol carbonate

Q She, M Qiu, K Li, J Liu, C Zhou - Applied Clay Science, 2023 - Elsevier
Montmorillonite (Mt) as a solid acid catalyst or support has been widely used in catalytic
reactions. However, the existence and catalytic activities of its surface basic sites have rarely …

Citric acid-modified beta zeolite for polyoxymethylene dimethyl ethers synthesis: The textural and acidic properties regulation

B Wang, X Yan, X Zhang, H Zhang, F Li - Applied Catalysis B …, 2020 - Elsevier
Beta zeolite exhibits satisfactory catalytic activity in the synthesis of polyoxymethylene
dimethyl ethers. However, the microporous channels of beta zeolite have adverse effects on …

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 …

Nature of synergy between Brønsted and Lewis acid sites in Sn–Beta zeolites for polyoxymethylene dimethyl ethers synthesis

CJ Baranowski, M Roger, AM Bahmanpour… - …, 2019 - Wiley Online Library
The role of Lewis and Brønsted acid sites and their potential synergy remains ambiguous for
the production of polyoxymethylene dimethyl ethers (OME), which are suitable as a Diesel …

Synthesis of tailored oxymethylene ether (OME) fuels via transacetalization reactions

M Drexler, P Haltenort, TA Zevaco, U Arnold… - Sustainable Energy & …, 2021 - pubs.rsc.org
In the field of alternative diesel fuels, so-called oxymethylene ethers (OMEs) are currently
intensely investigated. Particularly OMEs of the type CH3O (CH2O) nCH3 with n= 3–5 …

Progress in the anhydrous production of oxymethylene ethers (OME) as a renewable diesel fuel in a liquid phase process

M Drexler, P Haltenort, U Arnold, J Sauer… - Catalysis Today, 2023 - Elsevier
Oxymethylene ethers (OME) are a type of synthetic diesel fuel with particularly beneficial
emission characteristics, caused by the presence of oxygen in the molecule. A production …

Continuous Anhydrous Synthesis of Oxymethylene Dimethyl Ethers by Reaction of Dimethyl Ether with Molecular Formaldehyde

A Billion, J Schulte, A Vogel, F Hilfinger, I Krossing - Small, 2024 - Wiley Online Library
A novel gaseous synthesis route to oxymethylene dimethyl ethers (OMEn, n= 3− 5) starting
from CO2 and green H2 by using molecular formaldehyde (FA) and dimethyl ether (DME) is …

Kinetic and thermodynamic studies on [Omim]Cl/ZnCl2 catalyzed synthesis of polyoxymethylene dimethyl ethers

G Wang, S Zhao, H Yao - AIChE Journal, 2023 - Wiley Online Library
Polyoxymethylene dimethyl ethers (OMEs) emerging as green additives for soot emission
suppression receive significant attention due to their similar physical properties to diesel …

Preparation and structure analyses of Sn-bentonite for pertechnetate removal

EM Kovács, D Buzetzky, M Soha, T Fodor… - Process Safety and …, 2022 - Elsevier
Tin (Sn)-bentonite was prepared by ion exchange method from Ca-bentonite. For the ion
exchange process, tin-chloride (SnCl 2) solution was prepared from metallic tin, and the tin …