期刊
ENVIRONMENTAL CHEMISTRY LETTERS
卷 3, 期 3, 页码 136-139出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s10311-005-0020-3
关键词
biodiesel; CO2; biomass; macroalgae; thermochemical liquefaction; supercritical carbon dioxide
We compare two different techniques for the extraction of biodiesel from macroalgae: the thermochemical liquefaction and the extraction using supercritical carbon dioxide (SC-CO2). The first allows to use wet material, while sc-CO2 requires dry material and uses moderate temperature and pressure so that it can be useful for the extraction of thermolabile compounds which may decompose at the temperature at which thermal methos are carried out. In both cases the extracted oil was characterized quantitatively and qualitatively. The novelty of the work is that in the literature the use of macroalgae for the production of biodiesel has not so far been described, while they are used mainly as food or other purposes.
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