How is Methane Produced from Hydrogen?

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SUMMARY

The production of methane from hydrogen involves specific chemical reactions and catalysts. The primary reaction is the water gas shift reaction, represented by CO + H2O <--> CO2 + H2, which converts carbon monoxide and water into carbon dioxide and hydrogen. Following this, the Fischer-Tropsch synthesis is utilized, where (2n+1)H2 + nCO → CnH(2n+2) + nH2O produces hydrocarbons, including methane. Understanding these processes requires knowledge of the appropriate catalysts and equipment used in these reactions.

PREREQUISITES
  • Chemistry of the water gas shift reaction
  • Fischer-Tropsch synthesis principles
  • Catalysts used in hydrocarbon production
  • Basic understanding of gas-phase reactions
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  • Research the specific catalysts used in the Fischer-Tropsch process
  • Study the thermodynamics of the water gas shift reaction
  • Explore industrial applications of methane production from hydrogen
  • Investigate equipment used for gas-phase reactions in chemical engineering
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Chemical engineers, researchers in renewable energy, and professionals involved in synthetic fuel production will benefit from this discussion.

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Puting aside politics and energy considerations, what is the chemistry of producing Methane from Hydrogen? What catalyst or special equipment would be needed? Thanks
 
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Are you sure you want to produce methane from hydrogen, and not the opposite?!
 
Check making gasoline from coal (gasification), while that's not exactly the same, similar methods apply.
 
One could take hydrogen and CO2 and react it in the following manner (search "water gas shift"):

CO + H2O <---> CO2 + H2

and combine it in the following sequence (search "Fischer-Tropsch"):

(2n+1)H2 + nCO → CnH(2n+2) + nH2O
 

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