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Title: Froth flotation pretreatment for enhancing desulfurization of coal with sodium hydroxide
Authors: Saydut, Abdurrahman
Tonbul, Yalcin
Baysal, Akin
Duz, M Zahir
Hamamci, Candan
Keywords: Coal;Demineralization;Desulfurization;Froth flotation;Leaching;Sodium hydroxide;Sulfur
Issue Date: Jan-2007
Publisher: CSIR
Abstract: Froth flotation (FF) pretreatment of coal from Hazro, Turkey, for enhancing desulfurization with sodium hydroxide was investigated. FF reduced following contents of coal: ash, 58.54; pyritic sulfur, 79.34; and volatile matter, 56.98%. The coal flotation was 69.59%. FF could not remove organic sulfur. Coal concentration obtained from flotation was leached using aqueous NaOH and its organic sulfur content was reduced by 59.27%. Hence using combination of two methods, total sulfur, ash and volatile matter contents was reduced by 88.06%, 63.13% and 77.32%, respectively.
Page(s): 72-74
ISSN: 0022-4456
Appears in Collections:JSIR Vol.66(01) [January 2007]

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