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Smelter Grade Alumina from Bauxite: History, Best Practices, and Future Challenges (Paperback) (ISBN-13: 9783030885885)
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Benny E. Raahauge
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x1. Introduction: Primary Aluminium - Alumina - Bauxite (Benny E. Raahauge)i. Property Driven Applicationsii. Supply-Demand Balance and Forecastiii. Cost Drivers and Pricingiv. Environmental Footprints and Challenges
2. Bauxite Mineralogy, Classification and Beneficiation (Hydro/RTA?)i. Bauxite Resourcesii. Mineralogy and Chemistryiii. Classification from Bayer Process Perspectiveiv. Beneficiation Options
3. Bayer Process Design and Physical Chemistry (Steve Healy)i. Bayer Process Design Overviewii. Liquor Properties - Physio Chemical Dataiii. Lime (CaO) Chemistry
4. Bauxite Processing - Crushing/Grinding, De-silication and Digestion (CSIRO?)i. Crushing & Grindingii. Silica Chemistry, Desilication Kinetics and Reactor Designiii. Digestion Chemistry, Breakpoint and Kineticsa. Maximum Extractable Alumina (MEA) and Breakpointb. Digestion Modelsc. Degradation of Organicsiv. Digestion Conditions, Bauxite Mineralogy and Yielda. Effect of Lime additionb. Impact of impuritiesv. Applied Digestion Technology and Heat Consumptiona. Autoclavesb. Tube Digesterc. Double Digestionvi. Digester Mass and Heat Balancesa. Theoretical Heat of Digestionb. Boiling Point Elevationc. Steam Requirements
5. De-sanding - Floculation / Sedimentation - Liquor Filtration (Tim Laros)i. De-Sanding Equipmentii. Flocculation and Sedimentation Principlesiii. Mud Rheology, Rake Drives and Mud Pumpingiv. Decantation and Clarification Technologyv. Rise Rate and Tank Designvi. Pregnant/Green Liquor Filtration Options and Trends
6. Bauxite Residue: Washing - Dewatering (Tim Laros) and Disposal (Paul McGlade)i. Mud Washing - Recovery of Soda and Aluminaii. Dewatering Options: Filtration and Centrifuginga. Filtration Theory and Applicationsb. Filtration Pressure and Equipment Optionsc. Centrifuge Theory and Applicationsiii. Mud Cake Disposal Options and Principlea. Wet Disposal w/wo Neutralizationb. Dry Stacking w/wo Mud Farmingc. Dry Disposal 7. Hydrate Precipitation (Dennis R. Audet), Classification and Filtration (Manfred Bach)i. Hydrate Crystallization Fundamentalsa. Nucleation, Agglomeration, Breakage and Growthb. Crystallization Mechanism and Kineticsc. Heat of Crystallizationd. Control of Residual Sodae. Impact of Organics and other impurities on Yieldii. Precipitation Flow Sheets and Particle Morphologya. Retention Time and Temperature Profile impact on Yieldb. Modelling of Precipitation Flow sheetiii. Precipitator Tank Design Optionsa. Agitation and Mixingb. Hydrodynamic Effects on Yieldiv. Classification Options and Mass Balance Controla. Hydro Clonesb. Fine Seed Thickenerv. Seed and Product Hydrate Filtration Optionsa. Seed Preparationb. Washing Efficiency and Flow sheets
8. Liquor Purification and Impurity Control (Steve Healy)i. Organics removalii. Removal of Inorganic impuritiesa. Ironb. Phosphorc. Other...
9. Water Balance, Evaporation, Heat Exchange and Co-Generation (Daniel Thomas)i. Refinery Water Balanceii. Bayer Process Heat Balancea. Heat Transfer b. Inter-depa
Author: Benny E. Raahauge
ISBN-10: 3030885887
ISBN-13: 9783030885885
Publisher: Springer
Language: English
Published: 01/25/2023
Pages: 844
Format: Paperback
Weight: 2.63lbs
Size: 9.21h x 6.14w x 1.72d
2. Bauxite Mineralogy, Classification and Beneficiation (Hydro/RTA?)i. Bauxite Resourcesii. Mineralogy and Chemistryiii. Classification from Bayer Process Perspectiveiv. Beneficiation Options
3. Bayer Process Design and Physical Chemistry (Steve Healy)i. Bayer Process Design Overviewii. Liquor Properties - Physio Chemical Dataiii. Lime (CaO) Chemistry
4. Bauxite Processing - Crushing/Grinding, De-silication and Digestion (CSIRO?)i. Crushing & Grindingii. Silica Chemistry, Desilication Kinetics and Reactor Designiii. Digestion Chemistry, Breakpoint and Kineticsa. Maximum Extractable Alumina (MEA) and Breakpointb. Digestion Modelsc. Degradation of Organicsiv. Digestion Conditions, Bauxite Mineralogy and Yielda. Effect of Lime additionb. Impact of impuritiesv. Applied Digestion Technology and Heat Consumptiona. Autoclavesb. Tube Digesterc. Double Digestionvi. Digester Mass and Heat Balancesa. Theoretical Heat of Digestionb. Boiling Point Elevationc. Steam Requirements
5. De-sanding - Floculation / Sedimentation - Liquor Filtration (Tim Laros)i. De-Sanding Equipmentii. Flocculation and Sedimentation Principlesiii. Mud Rheology, Rake Drives and Mud Pumpingiv. Decantation and Clarification Technologyv. Rise Rate and Tank Designvi. Pregnant/Green Liquor Filtration Options and Trends
6. Bauxite Residue: Washing - Dewatering (Tim Laros) and Disposal (Paul McGlade)i. Mud Washing - Recovery of Soda and Aluminaii. Dewatering Options: Filtration and Centrifuginga. Filtration Theory and Applicationsb. Filtration Pressure and Equipment Optionsc. Centrifuge Theory and Applicationsiii. Mud Cake Disposal Options and Principlea. Wet Disposal w/wo Neutralizationb. Dry Stacking w/wo Mud Farmingc. Dry Disposal 7. Hydrate Precipitation (Dennis R. Audet), Classification and Filtration (Manfred Bach)i. Hydrate Crystallization Fundamentalsa. Nucleation, Agglomeration, Breakage and Growthb. Crystallization Mechanism and Kineticsc. Heat of Crystallizationd. Control of Residual Sodae. Impact of Organics and other impurities on Yieldii. Precipitation Flow Sheets and Particle Morphologya. Retention Time and Temperature Profile impact on Yieldb. Modelling of Precipitation Flow sheetiii. Precipitator Tank Design Optionsa. Agitation and Mixingb. Hydrodynamic Effects on Yieldiv. Classification Options and Mass Balance Controla. Hydro Clonesb. Fine Seed Thickenerv. Seed and Product Hydrate Filtration Optionsa. Seed Preparationb. Washing Efficiency and Flow sheets
8. Liquor Purification and Impurity Control (Steve Healy)i. Organics removalii. Removal of Inorganic impuritiesa. Ironb. Phosphorc. Other...
9. Water Balance, Evaporation, Heat Exchange and Co-Generation (Daniel Thomas)i. Refinery Water Balanceii. Bayer Process Heat Balancea. Heat Transfer b. Inter-depa
Author: Benny E. Raahauge
ISBN-10: 3030885887
ISBN-13: 9783030885885
Publisher: Springer
Language: English
Published: 01/25/2023
Pages: 844
Format: Paperback
Weight: 2.63lbs
Size: 9.21h x 6.14w x 1.72d
By Benny E. Raahauge
xThe Co-Editors of this book have a slightly different perspective on the recovery of alumina from bauxite. Benny and Fred received their technical training as MS Chemical engineers.
Benny Raahauge was employed by FL Schmidt and thus represented a manufacturer and seller of equipment used in that industry.
Fred Williams was employed by Alcoa and was assigned management responsibilities in alumina processing research, plant process engineering and running plant production.
Both individuals have conceived technical improvements to the alumina recovery process as recognized by patents and technical awards, written and presented numerous papers at international technical meetings and have served as chairmen and organizers of international technical sessions.
The authors of the individual chapters in this book are noteworthy experts from around the world in alumina manufacturing and researchtechnology.
Benny Raahauge was employed by FL Schmidt and thus represented a manufacturer and seller of equipment used in that industry.
Fred Williams was employed by Alcoa and was assigned management responsibilities in alumina processing research, plant process engineering and running plant production.
Both individuals have conceived technical improvements to the alumina recovery process as recognized by patents and technical awards, written and presented numerous papers at international technical meetings and have served as chairmen and organizers of international technical sessions.
The authors of the individual chapters in this book are noteworthy experts from around the world in alumina manufacturing and researchtechnology.
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