Problems in Sink-Float Analysis of Fine Coal

R. Zhou, B. Arnold, S. Chander, R. Hogg, M. Polat

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Scopus citations


A procedure for determining size and specific gravity distributions of the total quantity, and the sulfur and ash content of fine coal is described. The procedure involves cumulative fractionation by specific gravity followed by size separation by sieving. An averaging procedure is used to minimize experimental error and a regression method is employed in order to provide best estimates of the individual size-specific gravity fractions. An example of the application of the procedure to analyze froth flotation products is presented.

Original languageEnglish (US)
Title of host publicationCoal Science and Technology
Number of pages17
StatePublished - Jan 1 1993

Publication series

NameCoal Science and Technology
ISSN (Print)0167-9449

All Science Journal Classification (ASJC) codes

  • General Energy


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