Pulsed laser-induced photocatalytic reduction of greenhouse gas CO 2 into methanol: A value-added hydrocarbon product over SiC

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32 Scopus citations

Abstract

CO2 was converted into value-added hydrocarbons (methanol) by laser-induced photocatalytic reduction of CO2 over commercially available silicon-carbide (SiC) granules as catalyst. The conversion of CO 2 was carried out in a glass reactor having quartz window and equipped with stirring system and was provided with continuous CO2 flow at ambient conditions. Laser radiations of 355 nm, which were generated by third harmonics of Nd:YAG laser (1060 nm) were applied as an excitation source. The methanol yield as a function of irradiation time and catalysts dosage were monitored by the gas chromatographic analysis (GD-FID) of water samples collected at prescribed intervals. A specific GC column was used which separated hydrocarbons efficiently without any interference from water present in the sample. The study indicated that the commercially available SiC granular material is an excellent catalyst in laser-induced photocatalytic conversion of CO2 into high value hydrocarbons.

Original languageEnglish
Pages (from-to)1571-1576
Number of pages6
JournalJournal of Environmental Science and Health - Part A Toxic/Hazardous Substances and Environmental Engineering
Volume47
Issue number11
DOIs
StatePublished - 1 Sep 2012

Bibliographical note

Funding Information:
This work was finically supported by King Fahd University of Petroleum and Minerals under approved Laser Research Group projects # Rg1011-1 and Rg1011-2, National Natural Science Foundation of China (51172044) and the National Science Foundation of Jiangsu Province of China (BK2011617).

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 13 - Climate Action
    SDG 13 Climate Action

Keywords

  • CO
  • Methanol
  • Photocatalytic
  • Pulsed laser
  • Reduction
  • SiC

ASJC Scopus subject areas

  • Environmental Engineering

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