Catalytic, oxidative condensation of CH4 to CH3COOH in one step via CH activation

Science

Volumn 301, Issue 5634, 2003, Pages 814-818

  Periana, Roy A ^a   Mironov, Oleg ^a   Taube, Doug ^a   Bhalla, Gaurav ^a   Jones, Cj ^a  

^a UNIVERSITY OF SOUTHERN CALIFORNIA   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CARBONYLATION; CATALYSIS; COAL; CONDENSATION; METHANE; METHANOL; OXIDATION; PETROCHEMICALS;

OXIDATIVE CONDENSATION;

ACETIC ACID;

ACETIC ACID; CARBON 13; METHANE; NATURAL GAS; PALLADIUM; SULFURIC ACID;

ACETIC ACID; CATALYSIS; METHANE;

ARTICLE; CARBON NUCLEAR MAGNETIC RESONANCE; CATALYSIS; CHEMICAL REACTION; ISOTOPE LABELING; POLYMERIZATION; PRIORITY JOURNAL; REACTION ANALYSIS; STOICHIOMETRY;

EID: 0042027876     PISSN: 00368075     EISSN: None     Source Type: Journal    
DOI: 10.1126/science.1086466     Document Type: Article

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28. 3H, depending on the concentration of the acid. For simplicity and clarity of discussion, we refer to these products as methanol because only methanol is observed on dilution with water during analysis.
29. 3H) or the protonated form of the acid, and we refer to these as acetic acid.
30. 4. The reactor is heated to 180°C with stirring, and after the reaction is cooled to room temperature the liquid and gas phases are analyzed.
31. 13C NMR spectrum.
32. 2H is endoergic (+21 kcal/mol at 180°C) but may be possible if coupled with other exogenic reactions involving radical species as reported in (18).
33. 3OH used in these experiments was adjusted to ∼50% of that observed in a typical reaction without methanol.
34. 3OH will be high early in the reaction.
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