Αποτελέσματα Αναζήτησης
1 Μαΐ 2016 · Drill hole datasets ranging from widespread exploration drilling to detailed development drilling from a lignite deposit in Texas were used to illustrate the modeling.
15 Μαΐ 2016 · Mapping of coal quality using stochastic simulation and isometric logratio transformation with an application to a Texas lignite. International Journal of Coal Geology, 152, 80–93. View Abstract
The heat content of subbituminous coal ranges from 17 to 24 million Btu per ton on a moist, mineral-matter-free basis. ANALYSIS CONSIDERATIONS 3. Lignite is the lowest rank of coal, often referred to as brown coal, used almost exclusively as fuel for steam-electric power generation.
15 Μαΐ 2016 · Calorific value and compositional ultimate analysis with a case study of a Texas lignite. May 15, 2016. Measurements to determine coal quality as fuel include proximate analysis, ultimate analysis and calorific value.
13 Απρ 2015 · The proximate analysis of coal separates the products into four groups: (1) moisture, (2) volatile matter, consisting of gases and vapors driven off during pyrolysis, (3) fixed carbon, the nonvolatile fraction of coal, and (4) ash, the inorganic residue remaining after combustion.
18 Απρ 2005 · Handbook of Coal Analysis. J. Speight. Published 18 April 2005. Chemistry, Materials Science, Environmental Science. Preface. 1. Coal Analysis. 2. Sampling and Sample Preparation. 3. Proximate Analysis. 4. Ultimate Analysis. 5. Mineral Matter. 6. Physical and Electrical Properties. 7. Thermal Properties. 8. Mechanical Properties. 9.
344 INDEX Particledensity,175 Peat,3,19,29 Petrography,14,15,18 Petrology,14,18 Physicalproperties,170,171,278 Density,172 Porosity,180,182 Reactivityindex(CRI),230
