Materials Beneficiation

Overview

The book is on the current treatment and processes having to do with materials beneficiation. It also goes into a comprehensive coverage of common recycling methods and procedures, which none of the other books touch on. This new, additional material is becoming more and more a general practice worldwide. The book is intended for an audience that would include junior and senior-level college students studying metallurgy, materials, mining, civil and environmental engineering, and for engineers in these fields ...

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Paperback (Softcover reprint of the original 1st ed. 1991)
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Overview

The book is on the current treatment and processes having to do with materials beneficiation. It also goes into a comprehensive coverage of common recycling methods and procedures, which none of the other books touch on. This new, additional material is becoming more and more a general practice worldwide. The book is intended for an audience that would include junior and senior-level college students studying metallurgy, materials, mining, civil and environmental engineering, and for engineers in these fields dealing with beneficiation processes, and for municipal and environmental officials concerned with recycling.

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Product Details

  • ISBN-13: 9781461277637
  • Publisher: Springer New York
  • Publication date: 7/31/2012
  • Series: Materials Research and Engineering Series
  • Edition description: Softcover reprint of the original 1st ed. 1991
  • Edition number: 1
  • Pages: 245
  • Product dimensions: 6.14 (w) x 9.21 (h) x 0.55 (d)

Table of Contents

Economic Justification.- Economic Benefits.- Conservation, Reclamation, and Recycling.- Energy Conservation: Air and Water Pollution.- Stages of Beneficiation.- History of Beneficiation.- Hand Picking.- Washing.- Crushing.- Gravity Concentration.- Jigging.- References.- 1 Crushing.- Energy Consumed in Comminution.- Rittinger’s Law.- Kick’s Law.- Primary Crushers.- Jaw Crushers.- Gyratory Crushers.- Comparison: Jaw and Gyratory Crushers.- Secondary Crushers.- Cone Crushers.- Rolls Crushers.- Hammer Mills.- Stamp Mills.- References.- 2 Screens and Sizing.- Purpose of Screening.- Vibrating Screens.- Revolving Screens and Trommels.- Crushing and Screening Flow Sheets.- Closed Circuit.- Open Circuit.- References.- 3 Fine Grinding.- Purpose of Fine Grinding.- Main Grinding Mill Shapes.- Ball Mills.- Liners.- Speed of Rotation.- Wet and Dry Grinding.- Types of Ball Mills.- Rod Mills.- Pebble Mills.- Autogenous Mills.- Processes of Grinding and Grinding Mill Characteristics.- References.- 4 Classification.- Factors Influencing Settling Rates.- Stokes’ Law.- Newton’s Law.- Free-Settling and Hindered-Settling.- Classifier Categories.- Sorting Classifiers.- Sizing Classifiers.- Air Classifiers.- Concentration by Classification.- Classifier Capacity.- Classifier Efficiency.- Classifier Costs.- Classifier: Grinding Mill Circuits.- References.- 5 Dewatering.- Thickeners.- Design and Operation.- Operating Efficiency.- Settling Rate of Flocs.- Thickener Area.- Thickener Height.- Thickener Circuits.- Filtering.- Pore Size and Spacing.- Additional Variables That Effect Filtering Rates.- Types of Filters.- Drum Vacuum Filters.- Disk Vacuum Filters.- Horizontal Filters.- Pressure Filters.- References.- 6 Magnetic Separation.- Relative Magnetic Attractions.- Design Features.- Types of Separators.- Dry Magnetic Separators.- Wet Magnetic Separators.- Purification and Reclaiming.- Demagnetizing.- References.- 7 Electrostatic Separation.- Electrostatic Separators.- Electrodynamic Separators.- References.- 8 Gravity Concentration.- Application of Gravity Concentration.- Shaking Table.- Operating Principles.- Table Capacities.- Jigs.- Pulse Speed.- Water Velocity and Stroke Length.- Plunger Area.- Bed Depth.- Ragging.- Screen Size.- Stroke and Cycle Relationship.- Heavy Media Separation (HMS).- Media.- Separation Devices.- Humphreys Spiral.- Operating Principles.- Reichert Cone.- Operating Principles.- References.- 9 Flotation.- Application of Flotation.- Wetability.- Bubble Column Concentration.- Cell Types.- Flotation Circuits.- Preliminary Feed Pulp Preparation.- Particle Size.- Pulp Density.- Conditioning.- Pulp Temperature.- Reagent Feeders.- Flotation Reagents: Functions and Properties.- Frothers.- Collectors.- Regulators.- Activators.- Depressants.- Dispersants.- References.- 10 Recycling.- Purpose of Recycling.- Recycling Plant Equipment.- Treatment Methods.- Treatment Processing.- Raw, Unburned Mixed Refuse.- Incinerated Refuse.- Unburned-Mixed Refuse.- Industrial Wastes.- References.

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