Isolation and characterization of humic matter from Syncrude sludge pond tailings

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DOIResolve DOI: http://doi.org/10.1016/0016-2361(92)90005-9
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TypeArticle
Journal titleFuel
Volume71
Issue2
Pages165168; # of pages: 4
SubjectHumic acids; Syncrude; Chemical characterization
AbstractEleven humic acid samples have been isolated from a number of Syncrude sludge pond tailings that had been pretreated under different experimental conditions. These samples were extracted using 0.5 N NaOH or a mixture of 0.1 N NaOH and 0.1 M Na₄P₂O₇. Based on the dissolution efficiency of the two extracting liquids it appeared that the humic acids from samples of high clay content were strongly associated with calcium while the humic acids from low clay samples were more likely bound to non-silicate aluminium and/or iron. The various humic acid samples isolated have been analysed for elemental compositions and characterized by i.r. and ¹³C n.m.r. spectroscopy. A comparison with previously reported data for oil sands humic acids suggest that the humic acids from the two studies are similar.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada; NRC Institute for Chemical Process and Environmental Technology; NRC Steacie Institute for Molecular Sciences
Peer reviewedYes
NRC number32825
NPARC number14500418
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Record identifier34a561e1-1718-41c9-9687-cec40e3696eb
Record created2010-03-01
Record modified2016-05-09
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