Beneficiation of phosphate ore / / by S. Komar Kawatra and J.T. Carlson |
Autore | Kawatra S. Komar |
Pubbl/distr/stampa | Englewood, Colorado : , : Society for Mining, Metallurgy and Exploration, , 2014 |
Descrizione fisica | 1 online resource (170 p.) |
Disciplina | 622/.7 |
Soggetto topico |
Phosphates
Ore-dressing |
Soggetto genere / forma | Electronic books. |
ISBN |
1-62870-312-1
0-87335-392-7 |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Nota di contenuto |
Cover; Title Page; Copyright; Contents; List of Figures; List of Tables; Preface; 1: Introduction; 1.1 Feed Requirements for Phosphoric Acid Production; 1.2 Phosphate Rock Production Statistics and Reserves; 2: Sources of Phosphate Rock; 2.1 Common Phosphate Minerals; 2.1.1 Apatite; 2.1.2 Francolite; 2.1.3 Collophane; 2.1.4 Dahllite; 2.2 Common Gangue Minerals; 2.1.1 Clays; 2.2.2 Quartz; 2.2.3 Dolomite; 2.2.4 Calcite; 2.3 Mineralogy of Sedimentary Phosphates; 2.4 Mineralogy of Igneous Phosphates; 2.5 Mineralogy of Biogenic (Island) Deposits
3: Beneficiation of Siliceous Sedimentary Phosphate Ores3.1 Flotation Feed Preparation-Washing, Sizing, and Desliming; 3.1.1 Industrial Phosphate Washing Plant; 3.2 Theory of Phosphate Flotation; 3.2.1 Froth Flotation Devices; 3.2.2 Contact Angle Theory; 3.2.3 Entrainment Theory; 3.2.4 Surface Properties and Water Chemistry of Siliceous Phosphates; 3.3 Crago Double Float Process; 3.3.1 Stage 1-Anionic Fatty Acid/Fuel Oil Phosphate Flotation; 3.3.2 Stage 2-Cationic Amine Silica Flotation; 3.3.3 Industrial Flotation Plant for Siliceous Sedimentary Phosphate Ores 3.4 Proposed Alternatives to the Crago Double Float Process3.4.1 Reverse Crago Process; 3.4.2 All-Anionic (Fatty Acid/Fuel Oil Collector) Process; 3.4.3 All-Cationic (Amine) Process; 3.5 Conclusions from Siliceous Sedimentary Phosphate Ore Processing; 4: Beneficiation of High-MgO Sedimentary Phosphate Ores; 4.1 Mineralogy of High-MgO Sedimentary Phosphate Ores; 4.2 Acid Leaching of Carbonaceous Phosphate Ores; 4.2.1 Strong Acid Leaching; 4.2.2 Organic Acid Leaching; 4.2.3 Summary of Acid Leaching for the Removal of MgO (Dolomite, CaMg(CO3)2) from Phosphate Ores 4.3 Thermal Decomposition (Calcination)4.3.1 Calcination Reactions and Decomposition Temperatures; 4.3.2 Quenching and Desliming of Calcined Phosphate Ore; 4.3.3 Effects of Calcination on the Reactivity of Phosphate Products; 4.3.4 Process Considerations for Calcination of Carbonaceous Sedimentary Phosphate Ores; 4.3.5 Calcination as a Method for the Removal of MgO from Phosphate Ore; 4.4 Beneficiation of Phosphate Ore by Physical Separation Methods; 4.4.1 Desliming, Attrition Scrubbing, and Sizing; 4.4.2 Sizing and Selective Crushing; 4.4.3 Heavy-Media Separation; 4.4.4 Jigging 4.4.5 Summary of Physical Separation Methods for Removal of MgO from Phosphate Ores4.5 Flotation; 4.5.1 University of Florida Two-Stage Conditioning Process; 4.5.2 Tennessee Valley Authority Diphosphonic Acid Depressant Process; 4.5.3 U.S. Bureau of Mines Anionic Flotation Process; 4.5.4 IMC Cationic Flotation Process; 4.5.5 IMC Anionic Flotation Process; 4.5.6 Summary of Flotation for Removal of Dolomite from Phosphate Ores; 4.6 Selective Flocculation; 4.6.1 Flocculants for the Apatite/Dolomite/Silica System; 4.6.2 Factors Affecting Selectivity of Flocculation Processes 4.6.3 Selective Flocculation for the Removal of Dolomite from Phosphate Ores |
Record Nr. | UNINA-9910463432003321 |
Kawatra S. Komar
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Englewood, Colorado : , : Society for Mining, Metallurgy and Exploration, , 2014 | ||
![]() | ||
Lo trovi qui: Univ. Federico II | ||
|
Beneficiation of phosphate ore / / by S. Komar Kawatra and J.T. Carlson |
Autore | Kawatra S. Komar |
Pubbl/distr/stampa | Englewood, Colorado : , : Society for Mining, Metallurgy and Exploration, , 2014 |
Descrizione fisica | 1 online resource (170 p.) |
Disciplina | 622/.7 |
Soggetto topico |
Phosphates
Ore-dressing |
ISBN |
1-62870-312-1
0-87335-392-7 |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Nota di contenuto |
Cover; Title Page; Copyright; Contents; List of Figures; List of Tables; Preface; 1: Introduction; 1.1 Feed Requirements for Phosphoric Acid Production; 1.2 Phosphate Rock Production Statistics and Reserves; 2: Sources of Phosphate Rock; 2.1 Common Phosphate Minerals; 2.1.1 Apatite; 2.1.2 Francolite; 2.1.3 Collophane; 2.1.4 Dahllite; 2.2 Common Gangue Minerals; 2.1.1 Clays; 2.2.2 Quartz; 2.2.3 Dolomite; 2.2.4 Calcite; 2.3 Mineralogy of Sedimentary Phosphates; 2.4 Mineralogy of Igneous Phosphates; 2.5 Mineralogy of Biogenic (Island) Deposits
3: Beneficiation of Siliceous Sedimentary Phosphate Ores3.1 Flotation Feed Preparation-Washing, Sizing, and Desliming; 3.1.1 Industrial Phosphate Washing Plant; 3.2 Theory of Phosphate Flotation; 3.2.1 Froth Flotation Devices; 3.2.2 Contact Angle Theory; 3.2.3 Entrainment Theory; 3.2.4 Surface Properties and Water Chemistry of Siliceous Phosphates; 3.3 Crago Double Float Process; 3.3.1 Stage 1-Anionic Fatty Acid/Fuel Oil Phosphate Flotation; 3.3.2 Stage 2-Cationic Amine Silica Flotation; 3.3.3 Industrial Flotation Plant for Siliceous Sedimentary Phosphate Ores 3.4 Proposed Alternatives to the Crago Double Float Process3.4.1 Reverse Crago Process; 3.4.2 All-Anionic (Fatty Acid/Fuel Oil Collector) Process; 3.4.3 All-Cationic (Amine) Process; 3.5 Conclusions from Siliceous Sedimentary Phosphate Ore Processing; 4: Beneficiation of High-MgO Sedimentary Phosphate Ores; 4.1 Mineralogy of High-MgO Sedimentary Phosphate Ores; 4.2 Acid Leaching of Carbonaceous Phosphate Ores; 4.2.1 Strong Acid Leaching; 4.2.2 Organic Acid Leaching; 4.2.3 Summary of Acid Leaching for the Removal of MgO (Dolomite, CaMg(CO3)2) from Phosphate Ores 4.3 Thermal Decomposition (Calcination)4.3.1 Calcination Reactions and Decomposition Temperatures; 4.3.2 Quenching and Desliming of Calcined Phosphate Ore; 4.3.3 Effects of Calcination on the Reactivity of Phosphate Products; 4.3.4 Process Considerations for Calcination of Carbonaceous Sedimentary Phosphate Ores; 4.3.5 Calcination as a Method for the Removal of MgO from Phosphate Ore; 4.4 Beneficiation of Phosphate Ore by Physical Separation Methods; 4.4.1 Desliming, Attrition Scrubbing, and Sizing; 4.4.2 Sizing and Selective Crushing; 4.4.3 Heavy-Media Separation; 4.4.4 Jigging 4.4.5 Summary of Physical Separation Methods for Removal of MgO from Phosphate Ores4.5 Flotation; 4.5.1 University of Florida Two-Stage Conditioning Process; 4.5.2 Tennessee Valley Authority Diphosphonic Acid Depressant Process; 4.5.3 U.S. Bureau of Mines Anionic Flotation Process; 4.5.4 IMC Cationic Flotation Process; 4.5.5 IMC Anionic Flotation Process; 4.5.6 Summary of Flotation for Removal of Dolomite from Phosphate Ores; 4.6 Selective Flocculation; 4.6.1 Flocculants for the Apatite/Dolomite/Silica System; 4.6.2 Factors Affecting Selectivity of Flocculation Processes 4.6.3 Selective Flocculation for the Removal of Dolomite from Phosphate Ores |
Record Nr. | UNINA-9910787773803321 |
Kawatra S. Komar
![]() |
||
Englewood, Colorado : , : Society for Mining, Metallurgy and Exploration, , 2014 | ||
![]() | ||
Lo trovi qui: Univ. Federico II | ||
|
Beneficiation of phosphate ore / / by S. Komar Kawatra and J.T. Carlson |
Autore | Kawatra S. Komar |
Pubbl/distr/stampa | Englewood, Colorado : , : Society for Mining, Metallurgy and Exploration, , 2014 |
Descrizione fisica | 1 online resource (170 p.) |
Disciplina | 622/.7 |
Soggetto topico |
Phosphates
Ore-dressing |
ISBN |
1-62870-312-1
0-87335-392-7 |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Nota di contenuto |
Cover; Title Page; Copyright; Contents; List of Figures; List of Tables; Preface; 1: Introduction; 1.1 Feed Requirements for Phosphoric Acid Production; 1.2 Phosphate Rock Production Statistics and Reserves; 2: Sources of Phosphate Rock; 2.1 Common Phosphate Minerals; 2.1.1 Apatite; 2.1.2 Francolite; 2.1.3 Collophane; 2.1.4 Dahllite; 2.2 Common Gangue Minerals; 2.1.1 Clays; 2.2.2 Quartz; 2.2.3 Dolomite; 2.2.4 Calcite; 2.3 Mineralogy of Sedimentary Phosphates; 2.4 Mineralogy of Igneous Phosphates; 2.5 Mineralogy of Biogenic (Island) Deposits
3: Beneficiation of Siliceous Sedimentary Phosphate Ores3.1 Flotation Feed Preparation-Washing, Sizing, and Desliming; 3.1.1 Industrial Phosphate Washing Plant; 3.2 Theory of Phosphate Flotation; 3.2.1 Froth Flotation Devices; 3.2.2 Contact Angle Theory; 3.2.3 Entrainment Theory; 3.2.4 Surface Properties and Water Chemistry of Siliceous Phosphates; 3.3 Crago Double Float Process; 3.3.1 Stage 1-Anionic Fatty Acid/Fuel Oil Phosphate Flotation; 3.3.2 Stage 2-Cationic Amine Silica Flotation; 3.3.3 Industrial Flotation Plant for Siliceous Sedimentary Phosphate Ores 3.4 Proposed Alternatives to the Crago Double Float Process3.4.1 Reverse Crago Process; 3.4.2 All-Anionic (Fatty Acid/Fuel Oil Collector) Process; 3.4.3 All-Cationic (Amine) Process; 3.5 Conclusions from Siliceous Sedimentary Phosphate Ore Processing; 4: Beneficiation of High-MgO Sedimentary Phosphate Ores; 4.1 Mineralogy of High-MgO Sedimentary Phosphate Ores; 4.2 Acid Leaching of Carbonaceous Phosphate Ores; 4.2.1 Strong Acid Leaching; 4.2.2 Organic Acid Leaching; 4.2.3 Summary of Acid Leaching for the Removal of MgO (Dolomite, CaMg(CO3)2) from Phosphate Ores 4.3 Thermal Decomposition (Calcination)4.3.1 Calcination Reactions and Decomposition Temperatures; 4.3.2 Quenching and Desliming of Calcined Phosphate Ore; 4.3.3 Effects of Calcination on the Reactivity of Phosphate Products; 4.3.4 Process Considerations for Calcination of Carbonaceous Sedimentary Phosphate Ores; 4.3.5 Calcination as a Method for the Removal of MgO from Phosphate Ore; 4.4 Beneficiation of Phosphate Ore by Physical Separation Methods; 4.4.1 Desliming, Attrition Scrubbing, and Sizing; 4.4.2 Sizing and Selective Crushing; 4.4.3 Heavy-Media Separation; 4.4.4 Jigging 4.4.5 Summary of Physical Separation Methods for Removal of MgO from Phosphate Ores4.5 Flotation; 4.5.1 University of Florida Two-Stage Conditioning Process; 4.5.2 Tennessee Valley Authority Diphosphonic Acid Depressant Process; 4.5.3 U.S. Bureau of Mines Anionic Flotation Process; 4.5.4 IMC Cationic Flotation Process; 4.5.5 IMC Anionic Flotation Process; 4.5.6 Summary of Flotation for Removal of Dolomite from Phosphate Ores; 4.6 Selective Flocculation; 4.6.1 Flocculants for the Apatite/Dolomite/Silica System; 4.6.2 Factors Affecting Selectivity of Flocculation Processes 4.6.3 Selective Flocculation for the Removal of Dolomite from Phosphate Ores |
Record Nr. | UNINA-9910816764503321 |
Kawatra S. Komar
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Englewood, Colorado : , : Society for Mining, Metallurgy and Exploration, , 2014 | ||
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Lo trovi qui: Univ. Federico II | ||
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The circulating load [[electronic resource] ] : practical mineral processing plant design by an old-time ore dresser / / Robert S. Shoemaker |
Autore | Shoemaker Robert S |
Pubbl/distr/stampa | Littleton, Colo., : Society for Mining, Metallurgy, and Exploration, c2002 |
Descrizione fisica | 1 online resource (71 p.) |
Disciplina | 622/.7 |
Soggetto topico | Ore-dressing plants - Design and construction |
Soggetto genere / forma | Electronic books. |
ISBN | 0-87335-308-0 |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Nota di contenuto |
Cover; Title; Copyright; Contents; Preface; 1 Primary Crushers; 2 How to Clean up a Dirty Dump Pocket; 3 Sampling a Ball Mill; 4 Vibrating Feeders; 5 Notes on Conveyors; 6 Storage Bins; 7 The Design and Operations Floors; 8 Determining Velocities in Pipelines the Easy Way; 9 Notes on Fines; 10 Over engineering; 11 Cage Mills, Impactors and Hammer Mills; 12 Environmental Controls for Grinding Mills; 13 That Odious Pump; 14 Never Hire a Plumber Who Claims to be a Pipefitter; 15 Pilot Plants; 16 Precious Metals Column and Heap Leaching Pilot Plants; 17 Sumps, Pumps, etc.; 18 Foolproof Plug Valves
19 Design for Maintenance 20 Mexican Feeders; 21 Supervising the Engineer-Constructor |
Record Nr. | UNINA-9910454915103321 |
Shoemaker Robert S
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||
Littleton, Colo., : Society for Mining, Metallurgy, and Exploration, c2002 | ||
![]() | ||
Lo trovi qui: Univ. Federico II | ||
|
The circulating load [[electronic resource] ] : practical mineral processing plant design by an old-time ore dresser / / Robert S. Shoemaker |
Autore | Shoemaker Robert S |
Pubbl/distr/stampa | Littleton, Colo., : Society for Mining, Metallurgy, and Exploration, c2002 |
Descrizione fisica | 1 online resource (71 p.) |
Disciplina | 622/.7 |
Soggetto topico | Ore-dressing plants - Design and construction |
ISBN | 0-87335-308-0 |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Nota di contenuto |
Cover; Title; Copyright; Contents; Preface; 1 Primary Crushers; 2 How to Clean up a Dirty Dump Pocket; 3 Sampling a Ball Mill; 4 Vibrating Feeders; 5 Notes on Conveyors; 6 Storage Bins; 7 The Design and Operations Floors; 8 Determining Velocities in Pipelines the Easy Way; 9 Notes on Fines; 10 Over engineering; 11 Cage Mills, Impactors and Hammer Mills; 12 Environmental Controls for Grinding Mills; 13 That Odious Pump; 14 Never Hire a Plumber Who Claims to be a Pipefitter; 15 Pilot Plants; 16 Precious Metals Column and Heap Leaching Pilot Plants; 17 Sumps, Pumps, etc.; 18 Foolproof Plug Valves
19 Design for Maintenance 20 Mexican Feeders; 21 Supervising the Engineer-Constructor |
Record Nr. | UNINA-9910778526203321 |
Shoemaker Robert S
![]() |
||
Littleton, Colo., : Society for Mining, Metallurgy, and Exploration, c2002 | ||
![]() | ||
Lo trovi qui: Univ. Federico II | ||
|
The circulating load [[electronic resource] ] : practical mineral processing plant design by an old-time ore dresser / / Robert S. Shoemaker |
Autore | Shoemaker Robert S |
Pubbl/distr/stampa | Littleton, Colo., : Society for Mining, Metallurgy, and Exploration, c2002 |
Descrizione fisica | 1 online resource (71 p.) |
Disciplina | 622/.7 |
Soggetto topico | Ore-dressing plants - Design and construction |
ISBN | 0-87335-308-0 |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Nota di contenuto |
Cover; Title; Copyright; Contents; Preface; 1 Primary Crushers; 2 How to Clean up a Dirty Dump Pocket; 3 Sampling a Ball Mill; 4 Vibrating Feeders; 5 Notes on Conveyors; 6 Storage Bins; 7 The Design and Operations Floors; 8 Determining Velocities in Pipelines the Easy Way; 9 Notes on Fines; 10 Over engineering; 11 Cage Mills, Impactors and Hammer Mills; 12 Environmental Controls for Grinding Mills; 13 That Odious Pump; 14 Never Hire a Plumber Who Claims to be a Pipefitter; 15 Pilot Plants; 16 Precious Metals Column and Heap Leaching Pilot Plants; 17 Sumps, Pumps, etc.; 18 Foolproof Plug Valves
19 Design for Maintenance 20 Mexican Feeders; 21 Supervising the Engineer-Constructor |
Record Nr. | UNINA-9910818277303321 |
Shoemaker Robert S
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||
Littleton, Colo., : Society for Mining, Metallurgy, and Exploration, c2002 | ||
![]() | ||
Lo trovi qui: Univ. Federico II | ||
|
An introduction to cut-off grade estimation / / by Jean-Michel Rendu |
Autore | Rendu Jean-Michel <1944-> |
Edizione | [Second edition.] |
Pubbl/distr/stampa | Englewood, CO : , : Published by Society for Mining, Metallurgy, and Exploration, Inc., , 2014 |
Descrizione fisica | 1 recurso en línea (170 p.) |
Disciplina | 622/.7 |
Soggetto topico |
Ores - Grading
Ores - Sampling and estimation |
Soggetto genere / forma | Electronic books. |
ISBN | 0-87335-394-3 |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Nota di contenuto |
Cover; Title Page; Copyright; Contents; Preface to 2014 Edition; Preface to 2008 Edition; Chapter 1: INTRODUCTION; Chapter 2:GENERAL CONCEPTS; Mathematical Formulation: UtilityFunction; Cut-off Grade and Grade-Tonnage Relationship; Direct Profit and Loss: Udir(x); Net Present Value: NPVi; Opportunity Costs and Benefits: Uopp(x); Other Costs and Benefits: Uoth(x); Cut-off Grade and Blending Strategy; Chapter 3:BREAKEVEN CUT-OFF GRADE; Cut-off Grade Between Ore and Waste; Cut-off Grades in Open Pit Mines; Cut-off Grades in Underground Mines; Cut-off Grade Between Two Processes
Cut-off Grade with Variable RecoveryConstant Tail Model of Variable Recovery; Breakeven Cut-off Grade and Polymetallic Deposits; OpportunityCost of Not Using the Optimum Cut-off Grade; Cut-off Grade and Low-Grade Stockpiles; Cut-off Grade andOptimization of Processing Plant Operating Conditions; Chapter 4:CAPACITY CONSTRAINTS AND OPPORTUNITY COSTS; WhenMarginal Analysis No Longer Applies: A Gold Leaching Operation; Capacity Constraints and Increase in Cut-off Grade; DecreasingCut-off Grade over Time: A Strategic Objective; Cut-off Grade Below Marginal Cut-off Grade Cut-offGrade Optimization with Opportunity Costs: Practical ConsiderationsChapter 5:GEOLOGIC CONSTRAINTS AND OPPORTUNITY COSTS; Cut-off Grade When Processing Capacity Is Fixed; Cut-off Grade When Mining Capacity Is Fixed; Cut-off Grade When Volume of Sales Is Fixed; Releasing Capacity Constraints: A Base Metal Example; Chapter 6:CUT-OFF GRADE AND MINE PLANNING; Open Pit Mine: Economic Valuation of a Pushback; Underground Mine: Economic Valuation of a Stope; Similarities BetweenOpen Pit and Underground Mine Planning; Block and Panel Caving Relationship Between Mine Selectivity, Deposit Modeling,Ore Control, and Cut-off GradeChapter 7:WHICH COSTS SHOULD BE INCLUDED IN CUT-OFF GRADE CALCULATIONS?; General Considerations; HowSpecific Costs Influence Cut-off Grade Calculations; Other Costs and Benefits; Chapter 8:BLENDING STRATEGY; Blending Two Material Types; Blending Three Material Types; Blending to Maximize Tonnage; RemarksConcerning an Increasingly Complex Blending Problem; Chapter 9:CLOSING REMARKS; APPENDIX A; Example 1. Net Present Value of Constant Cash Flow: Proofof Formula Example 2.Net Present Value of Perpetuity Cash Flow: Proof of FormulaExample 3.Opportunity Cost of Mining a Peripheral Deposit; Example 4.Simplified Equation to Estimate Opportunity Cost: Verification of First-Order Approximation; Example5. Opportunity Cost of Not Using the Optimal Cut-off Grade in a Copper Mine; Example 6. Stockpilingand Cut-off Determination in a Copper Mine; Example7. Properties of Constant-Metric-Tons Curves in Blending Diagrams; LIST OF SYMBOLS; BIBLIOGRAPHY; INDEX; ABOUT THE AUTHOR; Back Cover |
Record Nr. | UNINA-9910464487603321 |
Rendu Jean-Michel <1944->
![]() |
||
Englewood, CO : , : Published by Society for Mining, Metallurgy, and Exploration, Inc., , 2014 | ||
![]() | ||
Lo trovi qui: Univ. Federico II | ||
|
An introduction to cut-off grade estimation / / by Jean-Michel Rendu |
Autore | Rendu Jean-Michel <1944-> |
Edizione | [Second edition.] |
Pubbl/distr/stampa | Englewood, CO : , : Published by Society for Mining, Metallurgy, and Exploration, Inc., , 2014 |
Descrizione fisica | 1 recurso en línea (170 p.) |
Disciplina | 622/.7 |
Soggetto topico |
Ores - Grading
Ores - Sampling and estimation |
ISBN | 0-87335-394-3 |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Nota di contenuto |
Cover; Title Page; Copyright; Contents; Preface to 2014 Edition; Preface to 2008 Edition; Chapter 1: INTRODUCTION; Chapter 2:GENERAL CONCEPTS; Mathematical Formulation: UtilityFunction; Cut-off Grade and Grade-Tonnage Relationship; Direct Profit and Loss: Udir(x); Net Present Value: NPVi; Opportunity Costs and Benefits: Uopp(x); Other Costs and Benefits: Uoth(x); Cut-off Grade and Blending Strategy; Chapter 3:BREAKEVEN CUT-OFF GRADE; Cut-off Grade Between Ore and Waste; Cut-off Grades in Open Pit Mines; Cut-off Grades in Underground Mines; Cut-off Grade Between Two Processes
Cut-off Grade with Variable RecoveryConstant Tail Model of Variable Recovery; Breakeven Cut-off Grade and Polymetallic Deposits; OpportunityCost of Not Using the Optimum Cut-off Grade; Cut-off Grade and Low-Grade Stockpiles; Cut-off Grade andOptimization of Processing Plant Operating Conditions; Chapter 4:CAPACITY CONSTRAINTS AND OPPORTUNITY COSTS; WhenMarginal Analysis No Longer Applies: A Gold Leaching Operation; Capacity Constraints and Increase in Cut-off Grade; DecreasingCut-off Grade over Time: A Strategic Objective; Cut-off Grade Below Marginal Cut-off Grade Cut-offGrade Optimization with Opportunity Costs: Practical ConsiderationsChapter 5:GEOLOGIC CONSTRAINTS AND OPPORTUNITY COSTS; Cut-off Grade When Processing Capacity Is Fixed; Cut-off Grade When Mining Capacity Is Fixed; Cut-off Grade When Volume of Sales Is Fixed; Releasing Capacity Constraints: A Base Metal Example; Chapter 6:CUT-OFF GRADE AND MINE PLANNING; Open Pit Mine: Economic Valuation of a Pushback; Underground Mine: Economic Valuation of a Stope; Similarities BetweenOpen Pit and Underground Mine Planning; Block and Panel Caving Relationship Between Mine Selectivity, Deposit Modeling,Ore Control, and Cut-off GradeChapter 7:WHICH COSTS SHOULD BE INCLUDED IN CUT-OFF GRADE CALCULATIONS?; General Considerations; HowSpecific Costs Influence Cut-off Grade Calculations; Other Costs and Benefits; Chapter 8:BLENDING STRATEGY; Blending Two Material Types; Blending Three Material Types; Blending to Maximize Tonnage; RemarksConcerning an Increasingly Complex Blending Problem; Chapter 9:CLOSING REMARKS; APPENDIX A; Example 1. Net Present Value of Constant Cash Flow: Proofof Formula Example 2.Net Present Value of Perpetuity Cash Flow: Proof of FormulaExample 3.Opportunity Cost of Mining a Peripheral Deposit; Example 4.Simplified Equation to Estimate Opportunity Cost: Verification of First-Order Approximation; Example5. Opportunity Cost of Not Using the Optimal Cut-off Grade in a Copper Mine; Example 6. Stockpilingand Cut-off Determination in a Copper Mine; Example7. Properties of Constant-Metric-Tons Curves in Blending Diagrams; LIST OF SYMBOLS; BIBLIOGRAPHY; INDEX; ABOUT THE AUTHOR; Back Cover |
Record Nr. | UNINA-9910789152503321 |
Rendu Jean-Michel <1944->
![]() |
||
Englewood, CO : , : Published by Society for Mining, Metallurgy, and Exploration, Inc., , 2014 | ||
![]() | ||
Lo trovi qui: Univ. Federico II | ||
|
An introduction to cut-off grade estimation / / by Jean-Michel Rendu |
Autore | Rendu Jean-Michel <1944-> |
Edizione | [Second edition.] |
Pubbl/distr/stampa | Englewood, CO : , : Published by Society for Mining, Metallurgy, and Exploration, Inc., , 2014 |
Descrizione fisica | 1 recurso en línea (170 p.) |
Disciplina | 622/.7 |
Soggetto topico |
Ores - Grading
Ores - Sampling and estimation |
ISBN | 0-87335-394-3 |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Nota di contenuto |
Cover; Title Page; Copyright; Contents; Preface to 2014 Edition; Preface to 2008 Edition; Chapter 1: INTRODUCTION; Chapter 2:GENERAL CONCEPTS; Mathematical Formulation: UtilityFunction; Cut-off Grade and Grade-Tonnage Relationship; Direct Profit and Loss: Udir(x); Net Present Value: NPVi; Opportunity Costs and Benefits: Uopp(x); Other Costs and Benefits: Uoth(x); Cut-off Grade and Blending Strategy; Chapter 3:BREAKEVEN CUT-OFF GRADE; Cut-off Grade Between Ore and Waste; Cut-off Grades in Open Pit Mines; Cut-off Grades in Underground Mines; Cut-off Grade Between Two Processes
Cut-off Grade with Variable RecoveryConstant Tail Model of Variable Recovery; Breakeven Cut-off Grade and Polymetallic Deposits; OpportunityCost of Not Using the Optimum Cut-off Grade; Cut-off Grade and Low-Grade Stockpiles; Cut-off Grade andOptimization of Processing Plant Operating Conditions; Chapter 4:CAPACITY CONSTRAINTS AND OPPORTUNITY COSTS; WhenMarginal Analysis No Longer Applies: A Gold Leaching Operation; Capacity Constraints and Increase in Cut-off Grade; DecreasingCut-off Grade over Time: A Strategic Objective; Cut-off Grade Below Marginal Cut-off Grade Cut-offGrade Optimization with Opportunity Costs: Practical ConsiderationsChapter 5:GEOLOGIC CONSTRAINTS AND OPPORTUNITY COSTS; Cut-off Grade When Processing Capacity Is Fixed; Cut-off Grade When Mining Capacity Is Fixed; Cut-off Grade When Volume of Sales Is Fixed; Releasing Capacity Constraints: A Base Metal Example; Chapter 6:CUT-OFF GRADE AND MINE PLANNING; Open Pit Mine: Economic Valuation of a Pushback; Underground Mine: Economic Valuation of a Stope; Similarities BetweenOpen Pit and Underground Mine Planning; Block and Panel Caving Relationship Between Mine Selectivity, Deposit Modeling,Ore Control, and Cut-off GradeChapter 7:WHICH COSTS SHOULD BE INCLUDED IN CUT-OFF GRADE CALCULATIONS?; General Considerations; HowSpecific Costs Influence Cut-off Grade Calculations; Other Costs and Benefits; Chapter 8:BLENDING STRATEGY; Blending Two Material Types; Blending Three Material Types; Blending to Maximize Tonnage; RemarksConcerning an Increasingly Complex Blending Problem; Chapter 9:CLOSING REMARKS; APPENDIX A; Example 1. Net Present Value of Constant Cash Flow: Proofof Formula Example 2.Net Present Value of Perpetuity Cash Flow: Proof of FormulaExample 3.Opportunity Cost of Mining a Peripheral Deposit; Example 4.Simplified Equation to Estimate Opportunity Cost: Verification of First-Order Approximation; Example5. Opportunity Cost of Not Using the Optimal Cut-off Grade in a Copper Mine; Example 6. Stockpilingand Cut-off Determination in a Copper Mine; Example7. Properties of Constant-Metric-Tons Curves in Blending Diagrams; LIST OF SYMBOLS; BIBLIOGRAPHY; INDEX; ABOUT THE AUTHOR; Back Cover |
Record Nr. | UNINA-9910807081003321 |
Rendu Jean-Michel <1944->
![]() |
||
Englewood, CO : , : Published by Society for Mining, Metallurgy, and Exploration, Inc., , 2014 | ||
![]() | ||
Lo trovi qui: Univ. Federico II | ||
|
An introduction to cut-off grade estimation [[electronic resource] /] / by Jean-Michel Rendu |
Autore | Rendu J.-M |
Edizione | [1st ed.] |
Pubbl/distr/stampa | Littleton, Colo., : Society for Mining, Metallurgy, and Exploration, 2008 |
Descrizione fisica | 1 online resource (115 p.) |
Disciplina | 622/.7 |
Soggetto topico |
Ores - Grading
Ores - Sampling and estimation |
Soggetto genere / forma | Electronic books. |
ISBN |
1-61344-066-9
0-87335-284-X |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Nota di contenuto |
Cover; Title; Copyright; Contents; Preface; CHAPTER 1: Introduction; CHAPTER 2: General Principles; CHAPTER 3: Minimum Cut-off Grades; CHAPTER 4: Cut-off Grade for Polymetallic Deposits; CHAPTER 5: Cut-off Grade and Optimization of Processing Plant Operating Conditions; CHAPTER 6: Cut-off Grade and Mine Planning-Open Pit and Underground Selective Mining; CHAPTER 7: Cut-off Grade and Mine Planning- Block and Panel Caving; CHAPTER 8: Which Costs Should Be Included in Cut-off Grade Calculations?; CHAPTER 9: When Marginal Analysis No Longer Applies: A Gold Leaching Operation
CHAPTER 10: Mining Capacity and Cut-off Grade When Processing Capacity Is FixedCHAPTER 11: Processing Capacity and Cut-off Grade When Mining Capacity Is Fixed; CHAPTER 12: Mining and Processing Capacity and Cut-off Grade When Sales Volume Is Fixed; CHAPTER 13: Releasing Capacity Constraints: A Base Metal Example; CHAPTER 14: Relationship Between Mine Selectivity, Deposit Modeling, Ore Control, and Cut-off Grade; CHAPTER 15: Conclusions; Bibliography; Symbols; About the Author |
Record Nr. | UNINA-9910454898503321 |
Rendu J.-M
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Littleton, Colo., : Society for Mining, Metallurgy, and Exploration, 2008 | ||
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Lo trovi qui: Univ. Federico II | ||
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