Note: Front Cover -- Proceedings of the Metallurgical Society of the Canadian Institute of Mining and Metallurgy -- Copyright Page -- Table of Contents -- PREFACE -- SYMPOSIUM AND CONFERENCE ORGANIZERS -- SESSION I: THERMOCHEMICAL COMPUTATION AND DATA BANKS -- CHAPTER 1. CALCULATIONS OF THE THERMODYNAMIC PROPERTIES OF METALLURGICAL SOLUTIONS -- ABSTRACT -- KEYWORDS -- INTRODUCTION -- ORDERED SOLUTIONS -- RESULTS OF THERMODYNAMIC ANALYSES -- CONCLUSIONS -- ACKNOWLEDGMENTS -- REFERENCES -- CHAPTER 2. HSC - SOFTWARE VER. 3.0 FOR THERMODYNAMIC CALCULATIONS -- ABSTRACT -- KEYWORDS -- INTRODUCTION -- HSC - DATABASE -- BASIS OF CALCULATIONS -- USING THE HSC - PROGRAM -- ENTHALPY, ENTROPY AND FREE ENERGY OF FORMATION -- ENTHALPY AND FREE ENERGY CHANGE OF THE REACTION -- VAPOR PRESSURES OF PURE ELEMENTS AND COMPOUNDS -- HEAT AND MATERIAL BALANCES -- MOLECULAR WEIGHTS OF THE COMPOUNDS -- EQUILIBRIUM COMPOSITIONS OF THE PHASES -- FUTURE OF THE HSC - PROGRAM -- CHAPTER 3. COMPLEX CHEMICAL EQUILIBRIA CALCULATIONS WITH THE THERMODATA SYSTEM -- ABSTRACT -- KEYWORDS -- INTRODUCTION -- SUPERCRLC -- EQUICOMP -- CONCLUSION -- REFERENCES -- Chapter 4. The Thermodynamics Workbench : A Simulation Support System for Research and Education -- ABSTRACT -- KEYWORDS -- INTRODUCTION -- DESIGN CONSIDERATIONS -- USING THE WORKBENCH -- DISCUSSION -- CONCLUSIONS -- ACKNOWLEDGEMENTS -- References -- CHAPTER 5. COMPUTATIONS USING MTDATA OF METAL - MATTE - SLAG - GAS EQUILIBRIA -- ABSTRACT -- KEYWORDS -- INTRODUCTION -- MTDATA -- THE PYROMETALLURGICAL TREATMENT OF NICKEL-IRON-COPPER MATTES -- THERMODYNAMIC MODELS AND DATA -- MULTIPHASE -- CONCLUDING REMARKS -- ACKNOWLEDGEMENTS -- REFERENCES -- CHAPTER 6. METALLURGICAL APPLICATIONS OF THERMO-CALC -- ABSTRACT -- KEYWORDS -- INTRODUCTION -- SOFTWARE -- DATABASES -- ASSESSMENT PROCEDURE AND MODELS -- EXAMPLE OF APPLICATION. , WHICH SUBJECT: STATE -- ACKNOWLEDGEMENT -- REFERENCES -- CHAPTER 7. HETEROGENEOUS EQUILIBRIUM CALCULATIONS WITH MULTICOMPONENT SOLUTION MODELS - SOLGASMIX AND THE F*A*C*T SYSTEM -- ABSTRACT -- KEYWORDS -- INTRODUCTION -- IDEAL SOLUTIONS -- DILUTE NON-IDEAL SOLUTIONS -- SOLUTION MODELS -- DILUTE SOLUTION MODEL WITH WAGNER PARAMETERS -- MOLTEN OXIDE (SLAG) MODEL -- SUB-LATTICE MODEL -- PITZER-BREWER AQUEOUS SOLUTION MODEL -- CONCLUSION -- ACKNOWLEDGEMENTS -- REFERENCES -- SESSION II: PYROMETALLURGICAL AND PROCESS APPLICATIONS -- CHAPTER 1. EQUILIBRIUM THERMODYNAMICS OF THE VACUUM METALLOTHERMAL REDUCTION OF LITHIUM OXIDE AND SPODUMENE -- ABSTRACT -- KEYWORDS -- INTRODUCTION -- COMPUTER CALCULATIONS -- RESULTS AND DISCUSSION -- CONCLUSION -- ACKNOWLEDGEMENT -- REFERENCES -- CHAPTER 2. ENERGY REQUIREMENTS FOR THE HYDROGEN GAS PRODUCTION FROM DECOMPOSITION OF HEATED ASBESTOS TAILINGS -- ABSTRACT -- INTRODUCTION -- METHODOLOGY -- EXPERIMENTAL -- RESUÜTS -- CONCLUSIONS -- REFERCENS -- CHAPTER 3. SIMULATING GRAVITY CIRCUITS : THE COMPROMISE BETWEEN ACCURACY AND SIMPLICITY -- ABSTRACT -- KEY WORDS -- INTRODUCTION -- FIRST CASE STUDY: A SPIRAL CIRCUIT -- SECOND CASE STUDY: REICHERT TRAYS FOR FINE HEMATITE SCAVENGING -- DISCUSSION -- CONCLUSION -- ACKNOWLEDGEMENTS -- REFERENCES -- CHAPTER 4. SOLUTIONS TO THE SYSTEM OF BATCH BALL MILL GRINDING EQUATIONS -- ABSTRACT -- KEYWORDS -- INTRODUCTION -- PARTICLE SIZE-DISCRETE TIME-CONTINUOUS BATCH GRINDING MODEL -- SOLUTIONS TO THE SYSTEM OF BATCH GRINDING EQUATIONS -- MODEL PARAMETERS -- BATCH BRINDING SIMULATION -- DISCUSSION -- REFERENCES -- SESSION III: HEAT AND MASS TRANSFER APPLICATIONS -- CHAPTER 1. MICROSEGREGATION IN CAST ALLOYS -- ABSTRACT -- KEYWORDS -- I. INTRODUCTION -- II. REVIEW OF MASS-BALANCE MICROSEGREGATION MODELS -- III. GENERAL ONE-DIMENSIONAL SOLUTION -- IV. COMPARISON OF MODEL PREDICTIONS. , V. DISCUSSION OF RESULTS -- VI. SUMMARY AND CONCLUSIONS -- REFERENCES -- Chapter 2. Heat and Mass Transfer Simulations on a Personal Computer -- Abstract -- Introduction -- Discussion -- Acknowledgements -- Summary -- References -- Chapter 3. Heat Transfer Tutor and Caster for Educational Computing and SimuIation -- Abstract -- Keywords -- Introduction -- Heat Transfer Tutor -- Co-Ordinate System -- Assumptions -- Boundary Conditions -- Property Values -- Solution -- Experience -- CASTER -- Closure -- References -- Acknowledgments -- CHAPTER 4. MATHEMATICAL MODELLING OF ZINC PROCESSES -- ABSTRACT -- KEYWORDS -- OVERVIEW -- PART 1. ZINC SLAG FUMING -- PART 2. THE ZINC PRESSURE LEACH MODEL -- PART 3 . DIRECT-CHILL CASTING OF ZINC JUMBOS -- TABLE OF NOMENCLATURE -- REFERENCES -- CHAPTER 5. OVERALL ENERGY AND MATERIAL BALANCES USING THE OUTOKUMPU-HSC AND THE LOTUS 123 PROGRAMS -- INTRODUCTION -- Process description -- Feed materials and basic assumptions -- Development of system of equations -- Material balances -- Thermodynamics and driving force for reduction -- Heat balance -- Conclusions -- REFERENCES -- CHAPTER 6. THE MEASUREMENT OF THE THERMAL CONDUCTIVITY AND SPECTRAL EMISSIVITY OF POROUS SPHERES - COMPUTER SOFTWARE APPLICATIONS -- ABSTRACT -- KEYWORDS -- INTRODUCTION -- THE EXPERIMENTAL MEASUREMENTS -- COMPUTER SOFTWARE AND RESULTS -- DISCUSSION -- CONCLUSIONS -- ACKNOWLEDGEMENTS -- REFERENCES -- SESSION IV: EXPERT SYSTEMS AND ARTIFICIAL INTELLIGENCE -- CHAPTER 1. REAL-TIME AND ARTIFICIAL INTELLIGENCE SYSTEMS FOR CHEMICAL AND EXTRACTIVE METALLURGY -- ABSTRACT -- KEYWORDS -- REAL-TIME COMPUTING -- ARTIFICIAL INTELLIGENCE -- SUMMARY -- REFERENCES -- CHAPTER 2. SIMSMART: SYNTHETIC INTELLIGENCE (SI): THE INTEGRATION OF Al AND SIMULATION -- ABSTRACT -- INTRODUCTION -- SYNTHETIC INTELLIGENCE -- HISTORICAL BACKGROUND -- TRAINING SIMULATOR OBJECTIVES. , IMPLEMENTATION OF SIMSMART -- INSTALLATION OF SIMSMART -- RESULTS -- PROTOTYPE & -- PRODUCT EVOLUTION -- ON-LINE SIMULATION AND OPTIMISATION -- «WHAT IF» ANALYSIS FOR OPERATOR GUIDANCE -- CONCLUSIONS -- REFERENCES -- CHAPTER 3. COMPUTERIZED PROCESS PLANT SCHEDULING -- ABSTRACT -- KEYWORDS -- INTRODUCTION -- PROJECT STRUCTURE -- PROGRAM ARCHITECTURE -- CONCLUSION -- ACKNOWLEDGEMENTS -- Chapter 4. Alloy Corrosion Data Bases Combined withThermochemical Analyses -- ABSTRACT -- KEYWORDS -- INTRODUCTION -- CORROSION MECHANISMS IN ASSET -- CAPABILITIES OF ASSET -- SUMMARY -- REFERENCES -- CHAPTER 5. COMPUTER TRAINING SIMULATION AT ALCAN LTEE -- ABSTRACT -- KEYWORDS -- INTRODUCTION -- PROCESS DESCRIPTION -- TRAINING SIMULATOR -- TRAINER SOFTWARE -- TRAINING PROGRAM -- CONCLUSIONS -- REFERENCES -- AUTHOR INDEX.