In situ catalytic pyrolysis of lignocellulose using alkali-modified amorphous silica alumina

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Zabeti, M. and Nguyen, T.S. and Lefferts, L. and Seshan, K. (2012) In situ catalytic pyrolysis of lignocellulose using alkali-modified amorphous silica alumina. Bioresource technology, 118 . 374 - 381. ISSN 0960-8524

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Abstract:Canadian pinewood was pyrolyzed at 450 °C in an Infrared oven and the pyrolysis vapors were converted by passing through a catalyst bed at 450 °C. The catalysts studied were amorphous silica alumina (ASA) containing alkali metal or alkaline earth metal species including Na, K, Cs, Mg and Ca. The catalysts effectiveness to reduce the bio-oil oxygen content, to enhance the bio-oil energy density and to change the liquid and gas product distribution were evaluated using different techniques including gravimetric analysis, elemental analysis, Karl–Fischer titration, GC/MS and micro-GC analysis. According to the results K/ASA found to be the most effective catalysts for conversion of hollocellulose (hemicellulose and cellulose)-derived vapors of pinewood while Cs/ASA catalyst was the most effective catalyst for conversion of lignin-derived vapors and production of hydrocarbons
Item Type:Article
Copyright:© Elsevier
Faculty:
Science and Technology (TNW)
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Link to this item:http://purl.utwente.nl/publications/81098
Official URL:http://dx.doi.org/10.1016/j.biortech.2012.05.034
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