Effect of Various Experimental Parameters on the Swelling and Supercritical Extraction Properties of Lignite

The original lignite sample, the samples swollen in dimethylsulfoxide (DMSO), dimethylformamide (DMF), pyridine, tetrahydrofuran (THF), acetone, ethylenediamine (EDA), N-methyl-2-pyrrolidone (NMP), tetrabutylammonium hydroxide (TBAH), the samples impregnated by ZnCl 2 as catalyst and the samples bot...

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Bibliographic Details
Published in:Energy sources. Part A, Recovery, utilization, and environmental effects Recovery, utilization, and environmental effects, 2007-05, Vol.29 (7), p.607-618
Main Authors: Hacimehmetoğlu, Ş., Sinağ, A., Tekes, A. T., Misirlioğlu, Z., Canel, M.
Format: Article
Language:English
Subjects:
01 COAL, LIGNITE, AND PEAT
Balikesir-Dursunbey lignite
BROWN COAL
catalyst
CATALYSTS
CATALYTIC EFFECTS
extraction
LIGNITE
ORGANIC SOLVENTS
PARAMETRIC ANALYSIS
SUPERCRITICAL GAS EXTRACTION
SWELLING
YIELDS
ZINC CHLORIDES
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Summary:The original lignite sample, the samples swollen in dimethylsulfoxide (DMSO), dimethylformamide (DMF), pyridine, tetrahydrofuran (THF), acetone, ethylenediamine (EDA), N-methyl-2-pyrrolidone (NMP), tetrabutylammonium hydroxide (TBAH), the samples impregnated by ZnCl 2 as catalyst and the samples both swollen in the solvents and impregnated by ZnCl 2 were subjected to the supercritical toluene extraction and the effects of temperature, pressure, pre-swelling procedure, hydrogen donor solvent (tetralin), and catalyst on the extract yields were investigated.
ISSN:1556-7036
1556-7230
DOI:10.1080/00908310500276908