Journal
JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
Volume 158, Issue 1, Pages 389-393Publisher
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DOI: 10.1016/S1381-1169(00)00110-2
Keywords
Cu-Co based catalyst; Cu-Co alloy; higher alcohol synthesis; cobalt carbide; in situ XRD
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Formation and decomposition of the Cu-Co alloy and Co2C were studied using in situ X-ray diffraction (XRD), TG-DTA and TEM techniques. Cu-Co alloy with ratio Cu/Co = 1:1 has been obtained under treatment of CuCoO2 with hydrogen at 230-300 degrees C. Co2C was formed from Cu-Co alloy at 280-310 degrees C and decomposed at 390-400 degrees C under CO. It was shown that the role of Cn-Co alloy consisted in formation of cobalt carbide was able to activate CO undissociatively that led to oxygenates synthesis. (C) 2000 Elsevier Science B.V. All rights reserved.
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