A geostatistical approach to predicting the washability characteristics of coal in situ |
| |
| Authors: | Margaret Armstrong |
| |
| Institution: | (1) Centre de Géostatistique et de Morphologie Mathématique, Ecole des Mines de Paris, 35 rue St. Honore, 77305 Fontainbleau, France |
| |
| Abstract: | The washability characteristics of coal are dependent on two basic relations: the ash assay vs. relative density curve, and the distribution by weight of the relative densities of coal particles. Armstrong and Whitmore (1980) demonstrated that the ash content and the yield of coal floating at a particular density can be predicted with reasonable accuracy using a simple inverse proportionality relation for the ash assay vs. density curve and a lognormal model for the distribution. In this paper, geostatistical techniques are used in conjunction with the two models to predict the washability characteristics of coal in situ. |
| |
| Keywords: | coal washability disjunctive kriging geostatistics |
| 本文献已被 SpringerLink 等数据库收录！ |
|
