catalytic conversion
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2024
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2022 ◽  
Vol 354 ◽  
pp. 131201
Author(s):  
Xuelian Yang ◽  
Wei Qiu ◽  
Rongwei Gao ◽  
Youpeng Wang ◽  
Yu Bai ◽  
...  

2022 ◽  
Vol 6 (1) ◽  
pp. 4
Author(s):  
Nataliia Hes ◽  
Artur Mylin ◽  
Svitlana Prudius

Catalytic conversion of fructose to levulinic and formic acids over tin-containing superacid (H0 = −14.52) mixed oxide was studied. Mesoporous ZrO2–SiO2–SnO2 (Zr:Si:Sn = 1:2:0.4) was synthesized by the sol–gel method. The fructose transformation was carried out in a rotated autoclave at 160–190 °C for 1–5 h using a 20 wt.% aqueous solution. The results showed that doping ZrO2–SiO2 samples with Sn4+ ions improved both fructose conversion and selectivity toward levulinic and formic acids. Under optimal conditions of 180 °C, 3.5 h and fructose to catalyst weight ratio 20:1, levulinic and formic acids yields were 80% and 90%, respectively, at complete fructose conversion. At this, humic substances formed in the quantity of 10 wt.% based on the target products.


2022 ◽  
Vol 156 ◽  
pp. 106315
Author(s):  
Oscar Oyola-Rivera ◽  
Jiayue He ◽  
George W. Huber ◽  
James A. Dumesic ◽  
Nelson Cardona-Martínez
Keyword(s):  

2022 ◽  
pp. 47-62
Author(s):  
Baithy Mallesham ◽  
P. Suresh Babu ◽  
Hu Li ◽  
Putla Sudarsanam

2022 ◽  
Vol 517 ◽  
pp. 112055
Author(s):  
Habib-Ur Rehman Shah ◽  
Khalil Ahmad ◽  
Muhammad Sohail Bashir ◽  
Syed Shoaib Ahmad Shah ◽  
Tayyaba Najam ◽  
...  

2022 ◽  
Vol 428 ◽  
pp. 132087
Author(s):  
Andreas Eschenbacher ◽  
Robin John Varghese ◽  
Mehrdad Seifali Abbas-Abadi ◽  
Kevin M. Van Geem

RSC Advances ◽  
2022 ◽  
Vol 12 (1) ◽  
pp. 406-412
Author(s):  
Md. Saidul Islam ◽  
Manami Nakamura ◽  
Nurun Nahar Rabin ◽  
Mohammad Atiqur Rahman ◽  
Masahiro Fukuda ◽  
...  

We have demonstrated an efficient conversion of chitin to 5-HMF using a microwave aided method while using polyoxometalate (POM) as catalyst and DMSO/water as solvent.


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