Can Carbon Nanotubes Be Made from Industry Exhausts?

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The discussion centers on the feasibility and economic viability of producing carbon nanotubes from industrial exhausts. Concerns are raised about the potential for oxidation of materials in exhausts and the quality of nanotubes produced, as they may be irregular and in small quantities, which would negatively impact their desirable physical properties. The participant expresses skepticism about the viability of this approach, citing limited knowledge but questioning the effectiveness of extracting high-quality carbon nanotubes from such sources. There is an underlying inquiry into whether previous research has explored this method of carbon nanotube production.
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i read about this project for making carbon nanotubes from industry exhausts. is this possible/viable? if so, how economical is it? has there ever been any previous work in this area?
 
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Personally, with my limited knowledge of carbon nanotubes, I don't see it as viable. The way I see it is, they want to oxidize anything in any industrial exhaust as much as they can. I read that they can be found in some places like ordinary flames but I'm guessing in a very small amount. They are also very irregular which is the absolute worst thing that a nanotube can be. It ruins any good physical properties. Again, I have very limited knowledge so I could be wrong on some of this.
 

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