Fundamental Study on the Reduction of Carbon Dioxide to Methanol/Ethanol Using a Cyclic Fenton Reaction

Fumiya Yamagishi, Chiharu Tokoro, Daisuke Haraguchi, Toshiaki Murata

    Research output: Contribution to journalArticle

    Abstract

    Conversion of carbon dioxide to useful chemicals or fuels has become an active area of research. However, most methods used in these studies need expensive or precious reagents, such as hydrogen or rare metals. The objective of this study is the reduction of carbon dioxide to organic compounds using a cyclic Fenton reaction that uses only inexpensive reagents. We achieved carbon dioxide reduction to methanol and ethanol using this reaction at ambient temperatures and pressures. The Fenton reaction was promoted by the repetitive addition of H2O2 and Fe(II) salts, resulting in the synthesis of methanol/ethanol and formic/acetic acids from carbon dioxide saturated water. In addition, it was found that H2O2 and Fe(II) in a molar ratio of 1 or 2 is optimal for the reaction as this increase the generation of OH. The catalytic effects of magnetite, pyrite, sodium hypophosphite and copper sulfate were also investigated in the reduction of carbon dioxide to acetic acid. All reagents acted as a catalyst, and the concentration of TOC and acetic acid was increased. The highest concentration of acetic acid was achieved with the addition of copper sulfate. This enhanced the generation of H or H as Cu(II) forms more stable complexes with oxalic acid than Fe(II)/Fe(III), meaning more free Fe(II)/Fe(III) ions were present in the solution.

    Original languageEnglish
    Pages (from-to)22-27
    Number of pages6
    JournalResources Processing
    Volume60
    Issue number1
    DOIs
    Publication statusPublished - 2013

    Fingerprint

    Carbon Dioxide
    Methanol
    methanol
    ethanol
    Carbon dioxide
    Ethanol
    Acetic acid
    carbon dioxide
    acetic acid
    Acetic Acid
    Copper Sulfate
    copper sulfate
    Ferrosoferric Oxide
    sulfate
    copper
    acetic acids
    Copper
    Oxalic Acid
    magnetite
    sodium sulfate

    Keywords

    • Alcohol synthesis
    • Carbon dioxide
    • Catalyst
    • Fenton reaction
    • Hydroxyl radical

    ASJC Scopus subject areas

    • Environmental Chemistry
    • Nature and Landscape Conservation
    • Soil Science
    • Pollution

    Cite this

    Fundamental Study on the Reduction of Carbon Dioxide to Methanol/Ethanol Using a Cyclic Fenton Reaction. / Yamagishi, Fumiya; Tokoro, Chiharu; Haraguchi, Daisuke; Murata, Toshiaki.

    In: Resources Processing, Vol. 60, No. 1, 2013, p. 22-27.

    Research output: Contribution to journalArticle

    Yamagishi, Fumiya ; Tokoro, Chiharu ; Haraguchi, Daisuke ; Murata, Toshiaki. / Fundamental Study on the Reduction of Carbon Dioxide to Methanol/Ethanol Using a Cyclic Fenton Reaction. In: Resources Processing. 2013 ; Vol. 60, No. 1. pp. 22-27.
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