Ln2O3/K2S2O8 Promoted Synthesis of Acetic Acid from Methane and Carbon Monoxide under Mild Conditions

The combination of lanthanoid compounds and potassium peroxodisulfate (K2S2O8) has been found to promote the direct formation of acetic acid from methane (40atm) and carbon monoxide (20atm) in trifluoroacetic acid (TFA) at 80°C. The yield of acetic acid was affected strongly by the ligands present w...

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Bibliographic Details
Published inJournal of The Japan Petroleum Institute Vol. 41; no. 3; pp. 236 - 239
Main Authors ASADULLAH, Mohammad, TANIGUCHI, Yuki, KITAMURA, Tsugio, FUJIWARA, Yuzo
Format Journal Article
LanguageEnglish
Published Tokyo The Japan Petroleum Institute 01.05.1998
Sekiyu Gakkai
Subjects
Acetic acid
Applied sciences
Carboxylation
Carboxylic acid
Energy
Exact sciences and technology
Fuel processing. Carbochemistry and petrochemistry
Fuels
Gas processing
Lanthanoid oxide
Methane
Peroxide
Methane
Europium Oxides
Lanthanum Oxides
Potassium Peroxodisulfates
Ytterbium Oxides
Yield
Carbon monoxide
Acetic acid
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ISSN0582-4664
DOI10.1627/jpi1958.41.236

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Summary:The combination of lanthanoid compounds and potassium peroxodisulfate (K2S2O8) has been found to promote the direct formation of acetic acid from methane (40atm) and carbon monoxide (20atm) in trifluoroacetic acid (TFA) at 80°C. The yield of acetic acid was affected strongly by the ligands present with the lanthanoid elements. The ytterbium oxide exhibited higher reactivity than ytterbium sulfide, ytterbium chloride and ytterbium acetate. The sulfide ligand strongly prohibited the formation of acetic acid from carboxylation of methane in TFA. The order of ligands by which acetic acid is formed is oxide>acetate>chloride>sulfide. Of the oxides tested, Yb2O3 and Eu2O3 showed higher activities.
ISSN:0582-4664
DOI:10.1627/jpi1958.41.236