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| MDML7142 | Hydrometallurgical Extraction Processes | 3+0+0 | ECTS:7.5 | | Year / Semester | Spring Semester | | Level of Course | Third Cycle | | Status | Elective | | Department | DEPARTMENT of MINING ENGINEERING | | Prerequisites and co-requisites | None | | Mode of Delivery | Face to face | | Contact Hours | 14 weeks - 3 hours of lectures per week | | Lecturer | Prof. Dr. Hacı DEVECİ | | Co-Lecturer | | | Language of instruction | Turkish | | Professional practise ( internship ) | None | | | | The aim of the course: | | The objective of this module is
i) to develop an understanding of chemical and engineering aspects of industrial hydrometallurgical processes for the extraction of metals and compounds from ores, concentrates and other resources,
ii) to provide the students with the capability to assess and develop industrial hydrometallurgical processes
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| Programme Outcomes | CTPO | TOA | | Upon successful completion of the course, the students will be able to : | | | | PO - 1 : | Develop a comprehension of the technical, economic and environmental characteristics of aqueous processes for process selection and development | | | | PO - 2 : | Have a profound knowledge of the chemical and engineering aspects of industrial hydrometallurgical processes | | | | PO - 3 : | Perform the basic chemical and mass-balance calculations linked with hydrometallurgical processes | | | | PO - 4 : | Utilise the essential knowledge of mineral processing, chemistry and thermodynamics for the understanding of chemical and engineering aspects of aqueous processes | | | | PO - 5 : | Evaluate, select and analyse industrial hydrometallurgical processes | | | | PO - 6 : | Develop an industrial process flowsheet for a particular ore | | | | CTPO : Contribution to programme outcomes, TOA :Type of assessment (1: written exam, 2: Oral exam, 3: Homework assignment, 4: Laboratory exercise/exam, 5: Seminar / presentation, 6: Term paper), PO : Learning Outcome | | |
| Introduction to hydrometallurgy. Unit processes/operation in hydrometallurgy from ore to metal production. Process selection. Hydrometallurgy of precious metals: Cyanide process. Copper hydrometallurgy: Copper extraction from oxide ores. Extraction of copper from primary and secondary sulphide ores. Ammonia leaching, ferric leaching, bioleaching and pressure leaching processes. Chloride-based processes. Downstream processes: Solvent extraction, ion exchenge and metal recovery by cementation and electrowinning. Zinc hydrometallurgy: Electrolytic (RLE) process and pressure leaching for sphalerite concentrates. Iron removal processes (jarosite, hematite and goethite processes). Bayer process for the production of alumina. Nickel and cobalt hydrometallurgy: Acid and ammonia pressure leaching processes. Atmospheric heap leaching process. Solution purification and metal recovery from acidic and ammonia leaching solutions. Uranium recovery from ores: Acid and carbonate leaching processes. Ion exchange, solvent extraction and precipitation processes. |
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| Course Syllabus | | Week | Subject | Related Notes / Files | | Week 1 | Introduction to the course: Objectives and scopes, resources, references and assessment. Overview of the course content. Introduction to extractive metallurgy. From ores to metals and compounds. | | | Week 2 | Development and application of hydrometallurgical processes. Unit operations/processes in hydrometallurgy. | | | Week 3 | Hydometallurgy of gold and silver. Pretreatment of gold and silver ores. Biooxidation, pressure oxidation and roasting processes for refractory gold ores/concentrates. | | | Week 4 | Cyanidation process. Downstream treatment of pregnant leach solutions for gold/silver recovery: Activated carbon adsorption processes, electrowinning of gold. Merrill-Crowe process. Development of ion exchange processes. Alternatives to cyanide. | | | Week 5 | Hydrometallurgy of copper: Copper extraction from oxide ores. Extraction processes from primary and secondary copper sulphides: Ammonia, ferric iron, bioleach and pressure leaching. Chloride-based extraction processes. | | | Week 6 | Treatment of copper leach solutions: Solvent extraction, ion exchange, cemenation and electrolysis. | | | Week 7 | Zinc hydrometallurgy: Electrolytic process (R-L-E) and pressure leaching. | | | Week 8 | Mid-term exam | | | Week 9 | Purification of zinc leach solutions.Iron removal processes (jarosite, goethite and hematite processes). Cementation. Electrolysis | | | Week 10 | Bayer process for alumina production. | | | Week 11 | By-product recovery in Bayer process: Ga and V. Fused salt electrolysis for Al production. | | | Week 12 | Nickel and coabalt hydrometallurgy: Acid and ammonia pressure leaching processes. Atmospheric leaching processes. | | | Week 13 | Purification of Ni/Co leach solutions and recovery processes. | | | Week 14 | Uranium hydrometallurgy: Acid and carbonate leaching. Downstream purification and recovery processes. | | | Week 15 | Make-up week.
| | | Week 16 | End-of-term exam | | | |
| 1 | Habashi F. 1999. Textbook of Hydrometallurgy. 2nd Edition, Quebec City, Canada, ISBN 2-980-3247-7-9. | | | 2 | Gupta C.K., Mukherjee T.K. 1990. Hydrometallurgy in Extraction Processes, Vol 1 and Vol 2. CRC press. | | | 3 | Adams M.D. 2006. Advances in Gold Ore Processing (Developments in Mineral Processing, Volume 15), Elsevier Science, ISBN 0-444-51730-8 | | | 4 | Bartlett R.W. 1998. Solution Mining: Leaching Fluid Recovery of Materials. 2nd Edition, Gordon and Breach Sci. Pub. | | | 5 | Davenport W.G.L., King M., Schlesinger M., Biswas A.K. 2002. Extractive Metallurgy of Copper. 4th Edition. Pergamon Press, Elsevier Science, Oxford. | | | |
| 1 | Burkin A.R., 2001. Chemical Hydrometallurgy: Theory and Principles. Imperial College Press, London. | | | 2 | Akdağ M. 1992. Hidrometalurji-Temel Esasları ve Uygulamalar. 2. Baskı. D.E.Ü. Müh. Mim. Fak. Yayını, No 88. İzmir. | | | |
| Method of Assessment | | Type of assessment | Week No | Date | Duration (hours) | Weight (%) | | Mid-term exam | 8 | | 3 | 30 | | Homework/Assignment/Term-paper | 14 | | 6 | 20 | | End-of-term exam | 16 | | 3 | 50 | | |
| Student Work Load and its Distribution | | Type of work | Duration (hours pw) | No of weeks / Number of activity | Hours in total per term | | Yüz yüze eğitim | 3 | 14 | 42 | | Sınıf dışı çalışma | 4 | 14 | 56 | | Laboratuar çalışması | 0 | 0 | 0 | | Arasınav için hazırlık | 3 | 6 | 18 | | Arasınav | 3 | 1 | 3 | | Uygulama | 4 | 10 | 40 | | Klinik Uygulama | 0 | 0 | 0 | | Ödev | 6 | 7 | 42 | | Proje | 0 | 0 | 0 | | Kısa sınav | 0 | 0 | 0 | | Dönem sonu sınavı için hazırlık | 4 | 5 | 20 | | Dönem sonu sınavı | 4 | 1 | 4 | | Diğer 1 | 0 | 0 | 0 | | Diğer 2 | 0 | 0 | 0 | | Total work load | | | 225 |
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