Flameless Catalytic Combustion of Ethanol on Copper, Chromium, and Nickel Oxides

• Published in: Petroleum chemistry Vol. 63; no. 8; pp. 993 - 1001
• Main Authors: Arsentev, S. D., Grigoryan, R. R., Kocharyan, G. G., Stepanyan, S. Kh, Tavadyan, L. A.
• Format: Journal Article
• Language: English
• Published: Moscow Pleiades Publishing 01-08-2023; Springer Nature B.V
• Subjects: Aluminum oxide; Catalysts; Chemistry; Chemistry and Materials Science; Combustion; Copper oxides; Ethanol; Industrial Chemistry/Chemical Engineering; Metal oxides; Nickel oxides; Silicon dioxide; catalysis; metal oxides; flameless combustion; ethanol
• ISSN: 0965-5441; 1555-6239
• DOI: 10.1134/S096554412306018X

The possibility of using 3
d
-metal oxides as catalysts of self-sustaining catalytic flameless combustion of ethanol was examined. Monolithic catalysts CuO and Cr
2
O
3
, supported catalysts 25% CuO/SiO
2
and 25% CuO/Al
2
O
3
, and ultrasonically treated catalyst 25% NiO/SiO
2
can operate for a long time without changes in properties, ensuring 100% ethanol conversion. The wide range of the temperatures reached (300–590°C) allows choosing a catalyst meeting the process tasks.