Data base for the analysis of compositional characteristics of coal seams and macerals. Technical progress report, August 1982-January 1983. [Rocky Mountain and Northern Great Plains provinces]
The basic objectives of this program are, first, to understand the systematic relationships between the properties of coals, and second, to determine the nature of the lateral and vertical variability in the properties of a single seam. A total of seventy samples were collected from the Rocky Mountain and Northern Great Plains provinces. Five hundred and five data printouts and 156 coal samples were provided on request to other agencies involved in coal research. Analysis of variance studies were performed on a set of seam subsamples from 84 localities using inorganic components as variables. Results of tests for variability between localities and between levels in seams are presented. For the majority of inorganic variables considered, levels of variables are different between localities but not between subsample levels within seams. Frequency distribution histograms for ash-basis variables of the previously reported whole-seam data set are presented. The surface areas of coals measured from CO/sub 2/ and water adsorption isotherms at 298 K are reported. Water surface areas, which decrease with increasing rank, are much less than CO/sub 2/ areas except in the case of low-rank coals. Swelling of coals, varying in rank from lignite to anthracite, in water has been studied by comparing the solvent sorption measured by pycnometric and gravimetric methods. Swelling increases with decreasing rank. Low-rank coals show considerable swelling in water. 21 references, 28 figures, 21 tables.
- Research Organization:
- Pennsylvania State Univ., University Park (USA). Coal Research Section
- DOE Contract Number:
- AC22-80PC30013
- OSTI ID:
- 5495706
- Report Number(s):
- DOE/PC/30013-11; ON: DE84005293
- Country of Publication:
- United States
- Language:
- English
Similar Records
Data base for the analysis of compositional characteristics of coal seams and macerals. Quarterly technical progress report for the period, May-July 1981. [USA; coal seams]
Data base for the analysis of compositional characteristics of coal seams and macerals. Quarterly technical progress report, February-April 1981
Related Subjects
010600* -- Coal
Lignite
& Peat-- Properties & Composition
011000 -- Coal
Lignite
& Peat-- Reserves
Geology
& Exploration
ADSORPTION
ALKALI METALS
ALKALINE EARTH METALS
ALUMINIUM
ASHES
BARIUM
BERYLLIUM
CALCIUM
CARBON COMPOUNDS
CARBON DIOXIDE
CARBON OXIDES
CARBONACEOUS MATERIALS
CHALCOGENIDES
CHEMICAL COMPOSITION
CHROMIUM
COAL
COAL DEPOSITS
COAL RANK
COAL SEAMS
COPPER
CORRELATIONS
DATA
DATA BASE MANAGEMENT
DENSITY
ELEMENTS
ENERGY SOURCES
EXPERIMENTAL DATA
FOSSIL FUELS
FUELS
GEOLOGIC DEPOSITS
HYDROGEN COMPOUNDS
INFORMATION
INFORMATION SYSTEMS
IRON
MAGNESIUM
MANAGEMENT
MATERIALS
MEDIUM TEMPERATURE
METALS
MINERAL RESOURCES
NONMETALS
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
PHOSPHORUS
PHYSICAL PROPERTIES
POTASSIUM
RESEARCH PROGRAMS
RESIDUES
RESOURCES
SAMPLING
SEMIMETALS
SILICON
SODIUM
SORPTION
STRONTIUM
SULFATES
SULFUR
SULFUR COMPOUNDS
SURFACE AREA
SURFACE PROPERTIES
SWELLING
TITANIUM
TRANSITION ELEMENTS
VANADIUM
VARIATIONS
WATER
ZINC
ZIRCONIUM