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- W2392010829 abstract "The organic affinity of 11 elements such as Co, Ni, Cr, V, Sb, et al. in low rank coal was researched using the method of sequential chemical extract. The result shows that 1) organic-associated minor and trace elements does exist in low rank coal. Organic affinity of individual element is different, and organic affinity of the same element in different samples is also somewhat different, which are dependent on the abundance and property of the element and coal-forming geological process; 2) The average contents of Co, Ni, Cr, V, and Sb, which are combined with coal macromolecular are 13%, 80%, 69%, 36%, 33%; That with humic acid are 30%, 6%, 17%, 5%, 13% ; That with fulvic acid are 69%, 3%, 3%, 21%, 18% ; 3) Chalcophile elements such as Zn, Cd, Cu and Pb also show somewhat organic affinity, the average contents of Zn, Cd, Cu and Pb which are combined with coal macromolecular are 22%, 21%, 40% and 23%; That with humic acid are 9%, 9%, 7%, 14% ; That with fulvic acid are 20%, 13%, 22%, 13% of Zn, Cd." @default.
- W2392010829 created "2016-06-24" @default.
- W2392010829 creator A5053847541 @default.
- W2392010829 date "2003-01-01" @default.
- W2392010829 modified "2023-09-25" @default.
- W2392010829 title "Quantitative Study of Organic Affinity of Elements in Low Rank Coals" @default.
- W2392010829 hasPublicationYear "2003" @default.
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