Recent progresses in the adsorption of organic, inorganic, and gas compounds by MCM-41-based mesoporous materials

JAS Costa, RA de Jesus, DO Santos, JF Mano… - Microporous and …, 2020 - Elsevier
Adsorbent mesoporous materials are highly efficient for the remediation of different
compounds in environmental applications such as organic, inorganic, and gas molecules …

Microwave-assisted sustainable synthesis of biodiesel on Oryza sativa catalyst derived from agricultural waste by esterification reaction

G Yadav, N Yadav, M Ahmaruzzaman - Chemical Engineering and …, 2023 - Elsevier
The present study aims to confirm the feasibility of O. sativa husk for the fabrication of high-
performing heterogeneous-based carbon catalysts. A series of catalysts are fabricated by a …

Liquid Phase Calorimetric Method as a Tool for Acid Strength Measurements and Application to a Variety of Sustainable Catalysts

DS Valadares, JOC de França, RC Fernandes… - Chemistry, 2023 - mdpi.com
It has been about 36 years since the first published paper about the calorimetry and
adsorption (Cal-Ad) method by Prof. Drago. These separated methods are very old and …

Effects of preparation and structure of cerium-zirconium mixed oxides on diesel soot catalytic combustion

CF Oliveira, FAC Garcia, DR Araújo, JL Macedo… - Applied Catalysis A …, 2012 - Elsevier
Mixed oxides of CexZr1− xO2 (0.1≤ x≤ 0.9) were prepared by sol–gel method, in aqueous
ammonia solution with CeCl3· 7H2O and ZrOCl2· 8H2O as precursors, and employed in …

Metal-contaminated biochars as cheap and more sustainable catalysts for furfural conversion to value-added compounds

VGC Madriaga, JPR Mattos, V Rossa, LEM Ferreira… - Molecular …, 2022 - Elsevier
Furfural is an important biobased building block molecule to produce several value-added
compounds for the fine chemical industry, biofuels, and biopolymers through a catalytic …

Preparation and characterization of H3PW12O40 supported on niobia

E Caliman, JA Dias, SCL Dias, FAC Garcia… - Microporous and …, 2010 - Elsevier
Catalysts of H3PW12O40 (H3PW) supported on Nb2O5 were prepared with a wide range of
loadings (20–60wt%) and characterized by FTIR, FT-Raman, XRD, 31P MAS NMR, the BET …

Insight into methanol photooxidation over mono-(Au, Cu) and bimetallic (AuCu) catalysts supported on niobium pentoxide—An operando-IR study

L Wolski, M El-Roz, M Daturi, G Nowaczyk… - Applied Catalysis B …, 2019 - Elsevier
The aim of this study was to gain deeper insight into the factors determining the activity and
selectivity of mono-(Au, Cu) and bimetallic (AuCu) catalysts supported on Nb 2 O 5 in …

Acidic characterization and activity of (NH4) xCs2. 5− xH0. 5PW12O40 catalysts in the esterification reaction of oleic acid with ethanol

JS Santos, JA Dias, SCL Dias, JL De Macedo… - Applied Catalysis A …, 2012 - Elsevier
Ammonium and cesium derivatives from H3PW12O40 (H3PW), namely (NH4) xCs2. 5− xH0.
5PW12O40 (x= 0.5, 1, 1.5, 2), were synthesized and structurally characterized by FT-Raman …

Accessibility and strength of H-acceptor hydroxyls of ordered mesoporous silicas probed by pyridine donor

MR Alves, MF Paiva, PTA Campos… - Journal of Porous …, 2021 - Springer
Ordered mesoporous silica (OMS) is an important and useful material for a variety of
applications, including catalysis, adsorption, sensing and controlled drug delivery. The …

[HTML][HTML] Effect of cerium loading on structure and morphology of modified Ce-USY zeolites

DR Araújo, J Silva, JL Macedo, GF Ghesti… - Journal of the Brazilian …, 2011 - SciELO Brasil
This work describes comprehensibly the effect of cerium loading on the structure and
morphology of NH4USY zeolite. The Ce-USY (2-25 wt.% of CeO2) was obtained by wet …