International Journal of the Society of Materials Engineering for Resources
Online ISSN : 1884-6629
Print ISSN : 1347-9725
ISSN-L : 1347-9725
Adsorption of Dispersants on Australian Coals and Coal-Water Mixture Characteristics
Akira OHKIKoji FUKUHARAShigeharu FUKUDAKensuke NAKAShigeru MAEDA
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1994 Volume 2 Issue 1 Pages 64-70

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Abstract
Adsorption of dispersants on coal particles in coal-water mixture (CWM) has been analyzed by use of ion-selective electrode based on a lipophilic diphosphoniumsalt. Naphthalenesulfonate-formaldehyde condensate (NSF), polystyrenesulfonate (PSS), and polyisoprenesulfonate (PIPS) are used as dispersants.The adsorption on coals increases in the order PIPS<PSS<NSF. These dispersantsare more adsorbed on Warkworth coal than on Chibori coal. Relationshipbetween the adsorption of dispersants on coal particles and fluidity of CWM is discussed.
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© The Society of Materials Engineering for Resources of JAPAN
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