Effect of Pre-Swelling on Extractability and Solvent Swelling of Ermenek Lignite (Turkey)

Swelling of Ermenek lignite (Turkey) by dimethyl sulfoxide (DMSO), dimethylformamide (DMF), pyridine, tetrahydrofuran (THF), aceton, ethylenediamine (ETDA), 1-2 dimetoxiethan, dioxane, toluene was carried out. Influence of pre-swelling, acid washing (1 N HCl) and supercritical extraction conditions...

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Bibliographic Details
Published in:Energy sources 2004-04, Vol.26 (5), p.431-439
Main Authors: KIRAZ, A., SINAG, A., TEKES, A. T., MISIRLIOGLU, Z., CANEL, M.
Format: Article
Language:English
Subjects:
Applied sciences
Energy
Ermenek lignite
Exact sciences and technology
extraction
swelling ratio
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Summary:Swelling of Ermenek lignite (Turkey) by dimethyl sulfoxide (DMSO), dimethylformamide (DMF), pyridine, tetrahydrofuran (THF), aceton, ethylenediamine (ETDA), 1-2 dimetoxiethan, dioxane, toluene was carried out. Influence of pre-swelling, acid washing (1 N HCl) and supercritical extraction conditions (temperature) on extraction yields was also investigated. It was concluded that DMSO and DMF are the most suitable solvents for swelling of Ermenek lignite and Ermenek lignite can directly liquefy without swelling and any prewashing treatment.
ISSN:0090-8312
1521-0510
DOI:10.1080/00908310490429678