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Effect of Acid Treatment on Volumetric Swelling Ratios of Coals
Effect Acid Treatment Volumetric Swelling Ratios of Coals
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2010/4/22
To remove Ca2+ ions, six low rank coals and one coking coal were treated with 0.1 and l.0 N HC1 for 24 h. IR spectra and proximate analysis of the lignites indicated that only slight structural change...