期刊
BIORESOURCE TECHNOLOGY
卷 116, 期 -, 页码 133-139出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2012.04.036
关键词
Microwave-assisted direct liquefaction; Ulva prolifera; Bio-oil
资金
- Shandong Science and Technology plan project [2011GHY11528]
- Hi-Tech Research and Development Program (863) of China [2012AA052103]
- Specialized Fund for the Basic Research Operating expenses Program [20603022012004, 2010-ts-03]
- National Natural Science Foundation of China [41176153]
- Natural Science Foundation of Shandong Province [2009ZRA02075]
- Qingdao Municipal Science and Technology plan project [11-3-1-5-hy]
Production of bio-oil by microwave-assisted direct liquefaction (MADL) of Ulva prolifera was investigated, and the bio-oil was analyzed by elementary analysis, Fourier transform infrared spectroscopic analysis (FT-IR), and gas chromatography-mass spectrometry (GC-MS). The results indicate that the liquefaction yield is influenced by the microwave power, liquefaction temperature, liquefaction time, catalyst content, solvent-to-feedstock ratio and moisture content. The maximum liquefaction yield of U. prolifera (moisture content of 8%) was 84.81%, which was obtained under microwave power of 600 W for 30 min at 180 degrees C with solvent-to-feedstock ratio of 16:1 and 6% H2SO4. The bio-oil was composed of benzenecarboxylic acid, diethyl phthalate, long-chain fatty acids (C-13 to C-18), fatty acid methyl esters and water. The results suggest that U. prolifera is a viable eco-friendly, green feedstock substitute for biofuels and chemicals production. (C) 2012 Elsevier Ltd. All rights reserved.
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