RE: A new, more economical catalyst for ethanol conversion
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So what were these results that were very encouraging? Did it reduce costs? Did it hasten the production process? Compared to the plain copper, how efficient were the aluminum or zirconium combination exceeded the baseline?
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Greetings friend. The research only involved the synthesis and catalytic evaluation of the solids obtained in laboratory conditions, being the initial phase of research on catalysts, so let's wait for the scale tests to make a comparison with other systems in terms of costs and other aspects. I say that they are encouraging since we can assume that the synthesized catalyst is more economical due to the use of copper instead of another noble metal, such as Pt or Pd, and because it showed a high conversion and selectivity, higher than 80%; so we can continue investigating this system to expand the information.
They used the sol-gel method. You don't use solids there. And ethanol is in liquid form as far as I know.
The graphical abstract on your source already mentions the answer "Up to 86% conversion with 97% selectivity". And it's not just plain Copper used but "oxide-derived" Copper compounds, that's why Aluminum and Zirconium were mentioned. I think you also may be interested in this Ethanol from Copper Catalyst too.