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Graphical methods for determination of the mineral-matter-free properties of coal and the mineral matter/ash ratio

✍ Scribed by Vincent R. Gray

Book ID
107755621
Publisher
Elsevier Science
Year
1980
Tongue
English
Weight
653 KB
Volume
59
Category
Article
ISSN
0016-2361

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πŸ“œ SIMILAR VOLUMES

A formula for the mineral matter to ash
A formula for the mineral matter to ash ratio for low rank coals
✍ Vincent R. Gray πŸ“‚ Article πŸ“… 1983 πŸ› Elsevier Science 🌐 English βš– 438 KB

Existing formulae relating mineral matter to ash yield of coal, which assume that all the mineral matter is separate from the coal, do not apply to low rank coal because part of the mineral matter is bound in the coal substance. A mineral matter/ash formula is derived for low rank coal that allows t

Determination of the mineral-matter cont
Determination of the mineral-matter contents of coals by low-temperature ashing
✍ Robert N. Miller; Richard F. Yarzab; Peter H. Given πŸ“‚ Article πŸ“… 1979 πŸ› Elsevier Science 🌐 English βš– 832 KB

A new method is described for determining the mineral-matter content of coals, based on low-temperature ashing in an oxygen plasma. Unwanted side-reactions can occur during ashing, particularly oxidation of pyrite to haematite and fixation of organic sulphur as sulphate. These effects cannot be tota

Determination of the ash yield and the m
Determination of the ash yield and the mineral matter content of brown coals by density measurements
✍ Edward ChruΕ›ciel; Wit Jagusztyn; Andrzej Kreft; Andrzej Lenda; Wojciech Przybylo πŸ“‚ Article πŸ“… 1983 πŸ› Elsevier Science 🌐 English βš– 149 KB

A method of measuring the density of bed-moist brown coals based on their plastic properties is described and the feasibility of using the method for determination of the ash yield of the coal is evaluated.

Oxygen in coal ash: a simplified approac
Oxygen in coal ash: a simplified approach to the analysis of ash and mineral matter in coal
✍ Alexis Volborth; George E. Miller; Claudia K. Garner; Paul A. Jerabek πŸ“‚ Article πŸ“… 1977 πŸ› Elsevier Science 🌐 English βš– 643 KB

Oxygen was determined accurately in eight U.S. Bureau of Mines coal ash samples A, B, D, F, G, I, and J, NBS coal fly ash 1633 reference material, and two low-temperature ashes (LTA) from Illinois State Geological Survey. The method uses fast-neutron activation (FNA) analysis employing a dual counti

Correlation between the content of volat
Correlation between the content of volatile matter and mineral matter in hard coals
✍ Adolf Scholz πŸ“‚ Article πŸ“… 1980 πŸ› Elsevier Science 🌐 English βš– 405 KB

If coal is heated to 9OO"C, in the absence of air the organic coal substance and the associated mineral matter are decomposed. The analytically determined volatile-matter yield includes the volatile decomposition products of both the coal substance and the minerals. The correlation between mineral m