Journal
APPLIED CLAY SCIENCE
Volume 111, Issue -, Pages 83-89Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.clay.2015.03.009
Keywords
Syngas; Mixed alcohols synthesis; Palygorskite; Cu-Fe-Co based catalyst
Funding
- Natural Science Foundation of China
- Shenhua Group Corp. [U1261116]
- National Science-technology Support Plan Project of China [2012BAD321307]
- National Natural Science Foundation of China [21406229]
- Project of Jiangsu Province Science and Technology [BE2013083, BE2014101]
- Joint Innovation Project of HuaiAn [HAP201418]
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Conversion of lignocellulosic biomass to liquid fuels through the synthesis gas (syngas) intermediate product will become an important route for production of clean fuel in the future. In this work, H2SO4-activated palygorskite (Pal) supported Cu-Fe-Co based catalysts were prepared by an impregnation method and applied to mixed alcohols synthesis (MAS) from syngas. The structural properties of those catalysts were characterized by N-2 adsorption/desorption, X-ray diffraction (XRD), X-ray fluorescence (XRF), X-ray photoelectron spectroscopy (XPS), Scanning Electron Microscope (SEM), Transmission electron microscopy (TEM) and H-2-Temperature programmed reduction (H-2-TPR). The CFCK/Pal-B21 catalyst exhibited better catalytic activity, yield and selectivity for mixed alcohols due to the high surface concentration of Cu-FeCx dual site and the ideal interaction between Cu and Fe species. Due to the unique property and the low cost and easy availability, the Pal clay has a great promise to be used as catalyst support for liquid biofuel production from biomass-derived syngas. (C) 2015 Elsevier B.V. All rights reserved.
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