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Highly dispersed metallic Co/SiO2 catalysts are prepared by a novel citric acid assisted synthesis method in an argon atmosphere and directly used in Fischer–Tropsch synthesis without further reduction. CH4 and H2 derived from the decomposition of metal–citric acid complexes act as reductants for synthesizing metallic Co0 from Co2+ in the chelating complexes. Thermogravimetry, differential thermal...
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