期刊
JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS
卷 98, 期 -, 页码 166-176出版社
ELSEVIER
DOI: 10.1016/j.jaap.2012.07.007
关键词
Rice husks; Pyrolysis; Sorption; Adsorbents; Oil spills
资金
- National Centre for Advanced Materials UNION [DCVP-02/2/2009]
- Science Research Branch of University of Chemical Technology and Metallurgy [10952/2012]
Fixed bed slow pyrolysis experiments on rice husks were carried out in order to determine the effect of pyrolysis temperature upon: porous structure; surface morphology; phase composition; total amount, nature and distribution of the volatile compounds finely dispersed on the solid pyrolysis residues. The pyrolysis experiments were performed within the temperature range 250-700 degrees C. The sorption capacity of pyrolyzed rice husks for crude oil was determined. The results indicate that the increase in oil sorption capacity of rice husks after pyrolysis is the result of mutual influence of the above mentioned parameters. It was established that the oil sorption capacity was more strongly influenced by the porous structure of the adsorbents than by their phase composition and by the nature and amount of finely dispersed fluids. For achieving the purpose that was set in advance, the capabilities of: scanning electron microscopy, mercury porosimetry, Brunauer-Emmett-Teller method, Fourier transform infrared spectroscopy, gas-chromatography/mass spectrometric analysis, extraction and gravimetric analysis were used. (C) 2012 Elsevier B.V. All rights reserved.
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