Sustainable management of coal preparation / Dilip Kumar and Deepak Kumar.
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| Online Access: |
Full Text (via ScienceDirect) |
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| Main Authors: | , |
| Format: | eBook |
| Language: | English |
| Published: |
[Duxford, United Kingdom] :
Woodhead Publishing,
[2018]
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| Series: | Woodhead Publishing in energy.
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| Subjects: |
Table of Contents:
- Front Cover; Sustainable Management of Coal Preparation; Copyright Page; Dedication; Contents; About the Authors; Preface; Acknowledgements; I. General; 1 Introduction; 1.1 The Objective; 1.2 Preparation of Coking Coal; 1.3 Preparation of Noncoking Coal; 1.3.1 The New Policy; 1.3.2 Introduction of Gross Calorific Value; 1.4 Quality Factors; 1.4.1 Characteristics of Dilution at the Mine Mouth; 1.4.2 Impact of Dilution on Coal Preparation; 1.4.3 Control of Dilution; 1.4.3.1 Surface Mining; 1.4.3.2 Underground Mining; 1.5 Clean Coal Technology; 1.5.1 Precombustion; 1.5.2 Combustion.
- 1.5.3 Postcombustion1.5.4 Zero Waste Solution; 1.6 Coal Looming Large; References; 2 Coal Usage and Control of CO2 Emissions; 2.1 Preamble; 2.2 Steel Making; 2.2.1 DRI Process; 2.3 Power Generation; 2.3.1 Pulverised Coal Combustion; 2.3.2 Fluidised-Bed Combustion; 2.3.3 Integrated Gasification Combined Cycle; 2.3.4 Improving Efficiency; 2.3.4.1 Subcritical Steam Generation; 2.3.4.2 Supercritical Steam Generation; 2.3.4.3 Ultrasupercritical Steam Generation; 2.3.5 Potential of Alternative Fuels; 2.3.6 Carbon Capture and Storage; 2.3.6.1 Syngas Capture; 2.3.6.2 Postprocess Capture.
- 2.3.6.3 Oxy-Fuel Combustion2.4 Cement Manufacture; 2.4.1 Requirements for Raw Ingredients; 2.4.2 Principles of Cement Making; 2.5 Cleaning of Coal; 2.6 Carbon Dioxide Sequestration Issues; 2.7 Low-Carbon Economy; 2.7.1 Carbon Trading; References; 3 System Design of Coal Washing; 3.1 Preamble; 3.2 Systems Approach; 3.3 Separating Systems; 3.3.1 Different Systems; 3.3.2 Suitability of Cleaning Equipment; 3.3.3 Generic Preparation Plant; 3.3.4 Quality Requirements; 3.4 System Design; 3.5 Conception; 3.5.1 Site Selection; 3.5.2 Data Collection; 3.5.3 Drawing Flowsheet and Layout.
- 3.5.4 Engineering3.6 Concluding Remarks; References; Further Reading; 4 Coal Sizing; 4.1 Preamble; 4.2 Sizing; 4.2.1 Vibrating Screens; 4.2.1.1 Stack Sizer; 4.2.1.2 Flip-Flow Screens; 4.2.1.3 Roller Screens; 4.2.2 Sieve Bends; 4.2.3 Classifying Cyclones (Hydrocyclones); 4.2.4 Screening Media; 4.3 Performance of Sizing; 4.3.1 Screening Efficiency; 4.4 Factors Controlling Size Composition; 4.5 Analysis of Size Distribution; 4.6 Prediction of Size Distribution of Crushed Products; 4.7 Concluding Remarks; References; 5 Wet Cleaning Process by Major Unit Operations; 5.1 Jigs; 5.1.1 History.
- 5.1.2 Principle of Jigging5.1.3 Types of Jigs; 5.1.3.1 Hand Jig; 5.1.3.2 ROM Jig; 5.1.3.3 Plunger Jig; 5.1.3.4 Diaphragm Jig; 5.1.3.5 Baum Jig; 5.1.3.6 Feldspar Baum Jig; 5.1.3.7 Batac Jig; 5.1.4 Application of Modern Jigs; 5.2 HM Separators; 5.2.1 The System; 5.2.2 Separating Vessels; 5.2.2.1 Barrel Washer; 5.2.2.2 Three-Product HM Cyclone; 5.2.3 Medium Suspensions; 5.2.3.1 Effect of Rheology on Separation; 5.3 Cyclones; 5.3.1 Hydrocyclone; 5.3.1.1 Recent Developments; 5.3.2 Water-Only Cyclone; 5.3.2.1 Effect of Variables (WOC); 5.3.3 Dense-Medium Cyclone; 5.3.3.1 Effect of Variables (DMC)