PbZn 2020: 9th International Symposium on Lead and Zinc Processing (eBook)

Preface 5
Contents 7
About the Editors 16
PbZn 2020: 9th International Symposium on Lead and Zinc Processing: Plenary Presentations 20
Part I Lead and Zinc Future Outlook: Plenary Session 24
1 Evolution of Global Secondary Lead Production 25
Part II PbZn Process Fundamentals I 38
2 Refractory Challenges in Lead and Zinc Furnaces 39
3 Numerical Simulation of Gas–Liquid Flow Mixing Effect in Bottom-Blown Bath 51
4 Slag Reduction Kinetics of a Lead Slag from a Secondary Lead Smelter 61
5 Phase Evolution During the Oxidation Process of Low Grade Lead–Zinc Oxide Ore 71
Part III Secondary Zinc I 81
6 A New Era in Smelting Sustainability—Intensification of the Outotec® Ausmelt Top Submerged Lance (TSL) Process for Zinc Production 82
7 Production of SHG Zinc From 100% Recycled Materials 93
8 Recent Development of EAF Dust Treating at Shisaka Smelting Co., Ltd. 109
Part IV Zinc Electrowinning 116
9 Current Efficiency Increase in Zinc Electrodeposition at Cajamarquilla Refinery 117
10 To Polarize or Not to Polarize: Practical Advice on How to Control Zinc Electrodeposition 126
11 Optimizing Additive Ratios in Alkaline Zincate Electrodeposition 138
Part V Primary Lead I 147
12 Lead Metal Production at Paroo Station Mine Using Leach-Electrowinning Process in Methane Sulfonic Acid Solution 148
13 Lead Plant Transformations 177
14 Reduction of Lead-Rich Slags with Coke in the Lead Blast Furnace 185
15 Installation of a Brown Field Slag Reduction Furnace: State of the Art Off-Gas Treatment with Dry Gas Cleaning for SO? Capture 198
16 Application of CSC Technology in Nonferrous Metallurgy 211
Part VI Primary Zinc I 228
17 Start-up and Improvements of the New Electrolysis Plant at Annaka Refinery 229
18 Zinc Recovery of Low Grade Concentrate from Vazante Mine by the Waelz Process 238
19 A Dynamic Model of a Submerged Plasma Slag Fuming Process 244
20 Increase in Zinc Recovery from a Silicate Concentrate by Pre-neutralization Process 253
21 Recovery of Lead from Zinc Plant Residue by Alkaline Leaching Process Followed by Cementation 259
22 Zinc Residue Fuming Process in Side-Submerged Combustion Furnace + Fuming Furnace 270
23 A Critical Review on Generation, Characteristics, and Utilization of Zinc Slag 280
Part VII PbZn Process Technologies 287
24 Contributions of Non-ferrous Smelters to Metal Resource Circulation in Japan 288
25 The Process and Application of Oxygen-Enriched Air Side Blown Smelting of Lead–Zinc Materials 294
26 New Ideas for the Design of Green Smelting Project of Domestic Lead and Zinc Resources 303
27 Evaluation and Certification Strategies for Lead–Zinc-Bearing Residues 310
Part VIII Primary Lead II 320
28 KCM—Innovator in the Pb Metal Production Through Ausmelt Technology and Variable SO? Concentration Off-Gas Utilization 321
29 The Latest Development of Oxygen Bottom Blowing Lead Smelting Technology 326
30 Characterization of Phase Equilibria and Thermodynamics with Integrated Experimental and Modelling Approach for Complex Lead Primary and Recycling Processing 336
31 Resource Efficiency Evaluation of Pyrometallurgical Solutions to Minimize Iron-Rich Residues in the Roast-Leach-Electrowinning Process 349
32 Zinc Plant Expansion and Modification for Increased Metals Recovery 363
33 Experience with Digital Process Optimization of Zinc Roasting Plants 374
Part IX Zinc Leaching and Fe-Control I 386
34 Smelting Jarosite and Sulphur Residue in a Plasma Furnace 387
35 Simulation of an Alternative Direct Leaching Process for High Iron Content Zinc Concentrates 400
Part X PbZn Process Fundamentals II 411
36 Lead and Zinc Extractive Metallurgy Research in the Kroll Institute for Extractive Metallurgy 412
37 Electrochemical Extraction of Pb and Zn from Raw Mineral Materials Using Sulfurgraphite Electrode 421
38 Characterization and Processing of Residues from Hydrometallurgical Zinc Smelters 428
39 Leaching of Turkish Oxidized Pb–Zn Flotation Tailings by Inorganic and Organic Acids 437
40 Numerical Simulation of Gas-Particle Two-Phase Chemical Reactions and Key Structure Optimization in the Lead Flash Smelting Furnace 459
41 Effect of Alumina Ceramics Surface Condition on the Wetting of Liquid Lead 468
Part XI PbZn Sustainability 477
42 Material Stewardship for Zinc 478
43 Effect of Deposit Types, Mine Development and Industry Structure on Primary Lead and Zinc Economics in Australia, North America and Europe 493
Part XII By-Product Recovery I 503
44 Hydrometallurgical Recovery of Tin from Harris Dross 504
45 Pb and Other Impurities Recovery from Cu Smelting Residues in JX Nippon Mining & Metals
46 Pyrometallurgical Recovery of Valuable Metals from Flue Dusts of Copper Smelter Through Lead Alloy 523
Part XIII Secondary Lead 532
47 Operational Overview of RSR North America Corp. 533
48 Refractory Solutions by Laboratory Tests and Fieldworks for Lead Recycling Applications 538
49 Influence of Minor Elements in Waste Lead Battery Recycling 550
50 The FAST Pb Process and Its Impact on Secondary Lead Production 562
51 Recent Improvements at Hosokura Lead Smelter and Refinery 573
52 Refractory Corrosion Comparison Through a Rotary Drum Furnace Slag Test for the Lead Industry 584
Part XIV Lead and Zinc Sustainability and Social License: Plenary Session 592
53 Regional Changes in Refined Zinc Output and Demand 593
Part XV Mineral Processing 601
54 A New Innovative Method of Flotation Separation for High Sulfur Lead–Zinc Sulfide Ore 602
55 A Novel Collector 5–(Butylthio)–1,3,4–Thiadiazole–2–Thiol: Synthesis and Improved Flotation of Galena and Sphalerite from Pyrite 610
Part XVI By-Product Recovery II 627
56 The Recovery of Pb and Zn in Antimony Smelting Slag 628
57 Studies on the Formation of Intermetallic Compound Layers in Co(W)–Zn Diffusion Couples 636
58 Effect of Oxidation of Zinc Powder on Purification of High-Cobalt and High-Germanium Zinc Sulfate Solutions 648
Part XVII Environmental and Safety Practices I 656
59 ILTEC Technology—New Pathways Towards Safe and Effective Cooling 657
60 Review of Waste Water Treatment Technologies Used in Lead Recycling 669
61 Optimization of Arsenic Removal Process in Waste Acid from Zinc Smelting Plant Based on Orthogonal Experiment 680
Part XVIII Lead Refining 691
62 Driving Innovation in Lead Batteries: The Focus of the Consortium of Battery Innovation 692
63 New Technology for Copper Removal from Lead by Application of Aluminium: Practical Problems 699
64 Processing of Polymetallic Materials Requires Flexible and Capable Downstream Refining Technology: Aurubis Lead Refinery as Economic, Modern, and Well Integrated Plant at the Site Hamburg 708
65 Tin Treatment in Kosaka Lead Smelting 727
66 True Traceability Enabled by In-Line Laser Marking of Lead and Zinc Ingots 735
67 Advanced Technologies Reliant on the Properties of Lead 744
Part XIX Secondary Zinc II 749
68 The EZINEX® Process for Secondary Zinc Bearing Materials 750
69 Technologies for Treatment of Zinc-Containing Waste from Metallurgy in KCM AD 763
70 Zinc Reduction/Vaporisation Behaviour from Metallurgical Wastes 774
71 Recycling of Zinc from Galvanized Steel Scrap 783
Part XX Zinc Leaching and Fe-Control II 787
72 A New Route for Treating Neutral Leaching Residue 788
73 Study of a Novel Chloride Volatilization Process for the Treatment of Jarosite Residue 795
74 Magnetic Separation of Iron Ion from Leaching Solution by Magnetic Seeding in Hydrometallurgy 806
75 Experimental Study on Pressure Leaching of Zinc Sulfide Concentrate and Discussion on the Latest Relevant Progress 812
76 Recent Operational Improvements of Hematite Plant at Akita Zinc Co., Ltd. 824
77 The Analysis of Fe Behavior in Zinc Pressure Leaching 836
Part XXI Zinc Hydrometallurgy 842
78 Development of the New Zinc-Separation Process for the Blast Furnace Dust 843
79 Outotec Gypsum Removal Circuit and Outotec Cooling Tower Performance in Neutral Solution Cooling 849
80 Purification and Comprehensive Recovery Metal Values from Zinc Hydrometallurgical Solution 857
81 Refining of Zinc Chloride by the Combination of Cementation Reaction and Vacuum Distillation 862
82 Advanced Concept “Poly Metallurgical Refinery” Developed by Cobre Las Cruces 870
Part XXII Environmental and Safety Practices II 880
83 A New Lead Cementation Equipment and Lead Recovery Process in Chloride Media Developed by Cobre Las Cruces 881
84 Performance and Mechanism of Chlorine Removal in Wastewater by Combination of CuSO4 and Zero-Valent Copper 890
85 A Review on Recycling Technologies and Product Life Cycle Issues of Zinc and Lead 901
Part XXIII Poster Session 912
86 Reaction Mechanism on a Novel Enhanced Smelting Technique for Lead-Acid Battery Paste Recycling 913
Author Index 922
Subject Index 926