Regulation of the Si/Al ratios and Al distributions of zeolites and their impact on properties

J Li, M Gao, W Yan, J Yu - Chemical Science, 2023 - pubs.rsc.org
Zeolites are typically a class of crystalline microporous aluminosilicates that are constructed
by SiO4 and AlO4 tetrahedra. Because of their unique porous structures, strong Brönsted …

Analysis and control of acid sites in zeolites

A Palčić, V Valtchev - Applied Catalysis A: General, 2020 - Elsevier
The exceptional catalytic performance of zeolites is due to the presence of active sites in a
shape-selective environment, ie, in micropores with molecular dimensions. The present …

A priori control of zeolite phase competition and intergrowth with high-throughput simulations

D Schwalbe-Koda, S Kwon, C Paris, E Bello-Jurado… - Science, 2021 - science.org
Zeolites are versatile catalysts and molecular sieves with large topological diversity, but
managing phase competition in zeolite synthesis is an empirical, labor-intensive task. In this …

Solvation and mobilization of copper active sites in zeolites by ammonia: consequences for the catalytic reduction of nitrogen oxides

C Paolucci, JR Di Iorio, WF Schneider… - Accounts of chemical …, 2020 - ACS Publications
Conspectus Copper-exchanged chabazite (Cu-CHA) zeolites are catalysts used in diesel
emissions control for the abatement of nitrogen oxides (NO x) via selective catalytic …

Discovering relationships between OSDAs and zeolites through data mining and generative neural networks

Z Jensen, S Kwon, D Schwalbe-Koda, C Paris… - ACS central …, 2021 - ACS Publications
Organic structure directing agents (OSDAs) play a crucial role in the synthesis of micro-and
mesoporous materials especially in the case of zeolites. Despite the wide use of OSDAs …

Experimental and theoretical assessments of aluminum proximity in MFI zeolites and its alteration by organic and inorganic structure-directing agents

CT Nimlos, AJ Hoffman, YG Hur, BJ Lee… - Chemistry of …, 2020 - ACS Publications
The molecular structure and cationic charge density of organic and inorganic structure-
directing agents (SDAs) influence the siting and arrangement of Al substituted in zeolite …

Impact of acid site speciation and spatial gradients on zeolite catalysis

TT Le, A Chawla, JD Rimer - Journal of Catalysis, 2020 - Elsevier
This mini-review provides an overview of the current state of acid site control in zeolite
catalysts, including methods of synthesis, advanced characterization, and measured effects …

Highly Effective Cu/AEI Zeolite Catalysts Contribute to Continuous Conversion of Methane to Methanol

P Xiao, Y Wang, K Nakamura, Y Lu… - Acs …, 2023 - ACS Publications
A robust catalyst that can continuously and effectively produce methanol from methane is
exceedingly desired. Cu-containing zeolite catalysts were widely used in direct oxidative …

Zinc containing small‐pore zeolites for capture of low concentration carbon dioxide

D Fu, Y Park, ME Davis - Angewandte Chemie International …, 2022 - Wiley Online Library
The capture of low concentration CO2 presents numerous challenges. Here, we report that
zinc containing chabazite (CHA) zeolites can realize high capacity, fast adsorption kinetics …

Zeolites synthesized from industrial and agricultural solid waste and their applications: A review

C Cao, W Xuan, S Yan, Q Wang - Journal of Environmental Chemical …, 2023 - Elsevier
With the rapid development of industrialization and urbanization, coal-based solid waste,
agricultural and forestry wastes, urban solid waste, and other by-products are inevitably …