Pentacoordinated aluminum species: New frontier for tailoring acidity-enhanced silica–alumina Catalysts
Conspectus Silica–alumina catalysts, including zeolites and amorphous silica–aluminas
(ASAs), are among the most widely used solid acid catalysts and supports to produce …
(ASAs), are among the most widely used solid acid catalysts and supports to produce …
Advanced applications of amorphous alumina: From nano to bulk
In modern technologies, the researchers are keen on top-down approaches to tailor the
materials from bulk into their nanometer forms. For the amorphous alumina, this is the other …
materials from bulk into their nanometer forms. For the amorphous alumina, this is the other …
Nanosheets-stacked Al2O3-flower anchoring Pt catalyst for intensified ethylene production from ethane dehydrogenation
J Wu, G Zhao, M Song, H Wang, Y Wei, X Chen… - Fuel, 2022 - Elsevier
Catalytic ethane dehydrogenation (CEDH) to ethylene is an important alternative to oil-
based cracking processes due to the shale gas revolution, but the dominant Pt-based …
based cracking processes due to the shale gas revolution, but the dominant Pt-based …
Qualitative and quantitative analysis of acid properties for solid acids by solid-state nuclear magnetic resonance spectroscopy
Silica–alumina-based solid acid is one of the most popular heterogeneous catalysts utilized
in the petrochemical process and biorefining. The acid density, strength, and accessibility of …
in the petrochemical process and biorefining. The acid density, strength, and accessibility of …
Synthesis and characterization of amorphous silica-alumina with enhanced acidity and its application in hydro-isomerization/cracking
T Li, L Zhang, Z Tao, C Hu, C Zhao, F Yi, X Gao, X Wen… - Fuel, 2020 - Elsevier
Amorphous silica-aluminas with enhanced Brønsted acidity have been successfully
synthesized via a novel acetic acid based sol-gel process. The resulting amorphous silica …
synthesized via a novel acetic acid based sol-gel process. The resulting amorphous silica …
Mildly acidic aluminosilicate catalysts for stable performance in ethanol dehydration
Ethanol dehydration is effectively catalyzed by strongly acidic zeolites which, however,
exhibit poor time-on-stream stability. For example, HZSM-5 features strong acid sites …
exhibit poor time-on-stream stability. For example, HZSM-5 features strong acid sites …
Synthesis of hybrid framework of tenorite and octahedrally coordinated aluminosilicate for the robust adsorption of cationic and anionic dyes
VL Gopal, K Chellapandian - Environmental Research, 2023 - Elsevier
Adsorption is an important process for the industrial dye effluent treatment. Many adsorbents
are employed such as activated carbon, metal oxide, molecular sieves etc. All those …
are employed such as activated carbon, metal oxide, molecular sieves etc. All those …
Revealing Brønsted acidic bridging SiOHAl groups on amorphous silica–alumina by ultrahigh field solid-state NMR
Amorphous silica–aluminas (ASAs) are important acidic catalysts and supports for many
industrially essential and sustainable processes. The identification of surface acid sites with …
industrially essential and sustainable processes. The identification of surface acid sites with …
Ex-situ catalytic upgrading of Spirulina platensis residue oil using silica alumina catalyst
A Budiman, H Anggorowati, A Yulistiawan… - International Journal of …, 2019 - ijrer.com
This paper discusses the effect of rising temperatures pyrolysis and the use of silica-alumina
catalysts located in a dedicated chamber to improve the quality of bio-oil in terms of O/C …
catalysts located in a dedicated chamber to improve the quality of bio-oil in terms of O/C …
Formation and Location of Pt Single Sites Induced by Pentacoordinated Al Species on Amorphous Silica–Alumina
Alumina and its mixed oxides are popular industrial supports for emerging supported metal
catalysts. Pentacoordinated Al (AlV) species are identified as key surface sites for anchoring …
catalysts. Pentacoordinated Al (AlV) species are identified as key surface sites for anchoring …