目錄
1 INTRODUCTION
1.1 Coal Preparation is a Subsystem of Mining Operations
1.2 Objectives of Coal Cleaning
1.3 Coal Cleaning Processes
1.4 Coal Utilization
1.5 Environmental Considerations
1.5.1 Clean Air Act of
1.5.2 Carbon Dioxide Emission
1.6 Transportation Modes of Coal
1.6.1 Coal Distribution Methods
1.6.2 River Barge Transportation Systems
2 COAL
2.1 Formation of Coal
2.2 Representative Structure of Chemical Groups in Bituminous Coal
2.3 Parr Formula and Classification of Coal by Rank
2.4 Coal Resources in the United States and West Virginia
2.4.1 Coal Resources Distribution in the United States
2.4.2 Coal Resources and Coal Seams in West Virginia COAL CHARACTERIZATION
3.3.1 Proximate and Ultimate Analyses
3.3.2 Sulfur Forms and Analyses (ASTM D3177-89, ASTM D2492-90)
3.3.3 Calorific Value of Coal - Adiabatic Bomb Calorimeter (ASTM D5865-99a)
3.4 Hardgrove Grindability Index (HGI)
3.5 Mineral Matter in Coal and Ash Analysis
3.5.1 Mineral Matter in Coal
3.5.2 Fusibility of Coal Ash
3.6 Coal Ash Characterization
3.6.1 Coal Ash Slagging Potential and Deposition Indicators
3.6.2 Slagging Potential and Fouling Tendency of a Coal
3.7 Characterization of Coal for Coke
3.7.1 Carbonization of Coal for Coke
3.7.2 Fluidity or Plastic Properties of Coal by Constant-Torque Gieseler Plastometer (Audibert-Arnu Dilatometer)
3.7.3 Expansion and Contraction of Coal by the Sole-Heated Oven
3.7.4 Swelling Properties of Coal Using a Dilatometer
3.7.5 Free-Swelling Index (FSI)
3.7.6 Stability Index for Coke Using the Tumbler Test
3.7.7 Metallurgical Coal
3.8 Coal Petrography
3.8.1 Coal Petrographic Components
3.8.2 Preparation of Coal Sample for Microscopical Analysis by Reflected Light-Stopes-Heerlen System
3.8.3 Coal Types and Corresponding Coking Properties
4 COMMINUTION AND SIZE REDUCTION
4.1 Objective of Size Reduction
4.2 Energy Requirements for Size Reduction
4.3 Principle of Size Reduction and Liberation
4.3.1 Reduction Ratio
4.3.2 Specific Energy
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5 SCREENING, CLASSIFICATION, AND DESLIMING
6 WASHABILITY ANALYSIS
7 GRAVITY BASED SEPARATION PROCESSES
8 PROCESS EVALUATION AND PREDICTINGCOAL CLEANING RESULTS
9 FROTH FLOTATION OF FINE COAL
10 DEWATERING, THICKENING, AND DRYING
11 ON-LINE COAL QUALITY MONITORING ANDMATERIAL HANDLINGS
12 PLANT FLOWSHEET DESIGN
13 COARSE REFUSE AND TAILINGS MANAGEMENTAND ENVIRONMENT
14 HOMEWORK, PROJECTS, LABORATORYEXPERIMENTS, AND EXAMS
References
Subject Index
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