Is it possible to convert methane to carbon dioxide without combustion?

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SUMMARY

The discussion focuses on methods to convert methane to carbon dioxide without combustion, emphasizing the need for suitable catalysts and processes. Key catalysts mentioned include platinum, palladium, rhodium, and a nickel-tin nanotech catalyst. The conversation also highlights the use of methane-oxidizing bacteria, specifically Methylococcus capsulatus, and the potential of ozone reactions under UV light. Additionally, a method involving the oxidation of methanoic acid through a halogen substitution followed by treatment with NaOH and an oxidizing agent is proposed.

PREREQUISITES
  • Understanding of catalytic processes and materials, specifically platinum, palladium, and rhodium.
  • Knowledge of biochemical processes involving methane-oxidizing bacteria, such as Methylococcus capsulatus.
  • Familiarity with organic chemistry concepts, particularly nucleophilic substitution reactions.
  • Basic principles of photochemistry, especially reactions involving UV light and ozone.
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  • Research the catalytic properties and applications of platinum, palladium, and rhodium in methane oxidation.
  • Explore the role of Methylococcus capsulatus in bioconversion processes for methane.
  • Study nucleophilic substitution reactions and their applications in organic synthesis.
  • Investigate the use of ozone in chemical reactions, particularly under UV light for methane conversion.
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Chemical engineers, environmental scientists, and researchers focused on methane conversion technologies and sustainable chemical processes.

Spanalessmech
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I would like to convert methane to carbon dioxide without using combustion. The aim is to generate as little heat through the process as possible. Any ideas how this might be achieved would be appreciated.

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Look for a suitable catalyst/process. Try looking up platinum, palladium, rhodium and I think someone was working on, even, a nickel-tin 'nanotech' catalyst some time ago.

What else do you want from the process; water (you'll get lots of heat out, it is quite (the most?) exothermic!), hydrogen, methanol? I guess there are particular processes and catalysts for all these reactions, and more.
 
Thanks for the reply. Heat is ok, Its more the radiation heat from the flame I'm trying to avoid. I'm not to concerned about producing other specific products, I just want to eliminate an explosive atmosphere, and burning the methane is not practical within the confines of the work area.
 
You can use methane oxidizing bacteria (Methylococcus capsulatus for eg.) if you can catch hold of some by any means.
 
What about reacting with ozone? Under UV?
 
Actually, methanoic acid can be oxidised to water and carbon dioxide efficiently. To do that, first, you need to substitute a halogen. e.g reacting with chlorine under UV. Then use NaOH solution to subsititute OH via nucleophilic mechanism. Treat it with some oxidising agent to produce methanal and methanoic acid and lastly CO2
 

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