Challenges on molecular aspects of dealumination and desilication of zeolites

MC Silaghi, C Chizallet, P Raybaud - Microporous and Mesoporous …, 2014 - Elsevier
Zeolites are widely used heterogeneous catalysts in the field of chemistry and refining.
These microporous and crystalline aluminosilicates exhibit a strong Brønsted acidity making …

Microwave synthesis of zeolites and their related applications

X Zeng, X Hu, H Song, G Xia, ZY Shen, R Yu… - Microporous and …, 2021 - Elsevier
Zeolites are an emerging class of crystalline, nanoporous, inorganic material with regular
micropores and highly tunable functionalities. Zeolites have been proposed as ideal …

Upgrading of oils from biomass and waste: catalytic hydrodeoxygenation

M Attia, S Farag, J Chaouki - Catalysts, 2020 - mdpi.com
The continuous demand for fossil fuels has directed significant attention to developing new
fuel sources to replace nonrenewable fossil fuels. Biomass and waste are suitable …

Zeolites and related materials as catalyst supports for hydrocarbon oxidation reactions

A Martins, N Nunes, AP Carvalho, LM Martins - Catalysts, 2022 - mdpi.com
Catalytic oxidation is a key technology for the conversion of petroleum-based feedstocks into
useful chemicals (eg, adipic acid, caprolactam, glycols, acrylates, and vinyl acetate) since …

Hierarchical zeolite synthesis by alkaline treatment: Advantages and applications

DS Oliveira, RB Lima, SBC Pergher, VPS Caldeira - Catalysts, 2023 - mdpi.com
Zeolites are of great interest to the scientific and industrial communities due to their
interesting catalytic properties, such as high specific area, shape selectivity, and thermal and …

Preparation of hierarchical structure of Y zeolite with ultrasonic-assisted alkaline treatment method used in catalytic cracking of middle distillate cut: The effect of …

S Oruji, R Khoshbin, R Karimzadeh - Fuel Processing Technology, 2018 - Elsevier
Hierarchical structure of NaY zeolite was synthesized with conventional and ultrasonic
assisted alkaline treatment methods. Furthermore, their catalytic performance was evaluated …

Obtainment of hierarchical ZSM-5 zeolites by alkaline treatment for the polyethylene catalytic cracking

RB Lima, MMS Neto, DS Oliveira, AGD Santos… - Advanced Powder …, 2021 - Elsevier
Great efforts have been applied in order to achieve the synthesis of hierarchical zeolites
through post-synthesis alkaline treatment. In this case, the use of hierarchical ZSM-5 zeolites …

Impact of the heating mechanism on the yield and composition of bio-oil from pyrolysis of kraft lignin

S Farag, BP Mudraboyina, PG Jessop, J Chaouki - Biomass and Bioenergy, 2016 - Elsevier
The aim of this work is to differentiate between the yield and composition of bio-oils obtained
from microwave and conventional pyrolysis of kraft lignin. Four different conditions were …

Isomerization of α-pinene with a hierarchical mordenite molecular sieve prepared by the microwave assisted alkaline treatment

Y Liu, D Zheng, B Li, Y Lyu, X Wang, X Liu, L Li… - Microporous and …, 2020 - Elsevier
To develop effective catalysts for α-pinene isomerization reaction is important to get high
valuable products. A hierarchical mordenite molecular sieve is prepared using alkaline …

Selective catalytic cracking of n-hexane to propylene over hierarchical MTT zeolite

O Muraza, IA Bakare, T Tago, H Konno, T Taniguchi… - Fuel, 2014 - Elsevier
Catalytic cracking of naphtha over one-dimensional (1D) pore zeolite was targeted by using
n-hexane as a model compound. Novel hierarchical H-ZSM-23 (MTT), a 1D pore zeolite …