COURSE UNIT TITLE

: CHEMICAL MINING

DEGREE PROGRAMMES

Description of Individual Course Units

Course Unit Code Course Unit Title Type Of Course D U L ECTS
MIN 5077 CHEMICAL MINING ELECTIVE 2 0 0 6

Offered By

Graduate School of Natural and Applied Sciences

Level of Course Unit

Second Cycle Programmes (Master's Degree)

Course Coordinator

ASSOCIATE PROFESSOR ABDULLAH SEYRANKAYA

Offered to

Mineral Processing
Mineral Processing

Course Objective

Enrichment of complex and poor ores is sometimes not possible with known mineral processing methods. In this case, leaching methods are carried out. This course provides students with more advanced knowledge of successive hydrometallurgical processes (leaching, purification / concentration process, precipitation process, the ion exchange processes, crystallization, electrolysis, etc.). The objective of the course is to enable the students to describe the processes of leaching, purification and electrolysis in aqueous systems used in the recovery of precious and nonferrous metals and, to assess and develop alternative conceptual hydrometallurgical process flow sheets to produce metal from different types of ores/concentrates/tailings/wastes.

Learning Outcomes of the Course Unit

1   understand and be able to express the fundamentals of hydrometallurgical processes
2   able to discus and evaluate the technical, environmental and economic aspects of hydrometallurgical and pyrometallurgical processes for process selection
3   develop an understanding of interaction of hydrometallurgy with other disciplines such as chemistry, thermodynamics, fluid mechanics, mineral processing, and apply thermodynamic and kinetic principles to the operation of hydrometallurgical processes
4   develop the knowledge on the chemical processes
5   advance independent learning skills, and follow developments related to hydrometallurgical processes
6   develop analytical thinking skills, capability to perform the basic engineering calculations, and provide the ability to evaluate the results of the experiments
7   develop conceptual hydrometallurgical process flow sheet for different types of ores and/or concentrates
8   analyze, understand and assess the economic, environmental and social aspects of various industrial hydrometallurgical processes

Mode of Delivery

Face -to- Face

Prerequisites and Co-requisites

None

Recomended Optional Programme Components

None

Course Contents

Week Subject Description
1 Introduction: Metallurgical processes, the historical development of metallurgy, History of hydrometallurgy and electrometallurgy, Scope of Hydrometallurgy, Examples from metal and compound production from ores
2 Pretreatment processes (physical, chemical and biological): Roasting, calcinations, biooxidation and reactions, Physical pretreatments, Importance of ore pretreatment, Leaching reagents
3 Properties of solutions, mass transfer and diffusion: Solubility consideration, Concentration units, Thermodynamics of solutions, ionic strength, activity and activity coefficient, reaction types
4 Leaching: Leaching reagents, their selection and leaching reactions, Factors affecting the rate and extent of leaching, Dissolution of complex ion formation, Dissolution with oxidation or reduction, chemical and electrochemical dissolution, microbiological dissolution
5 Reaction kinetics: Reaction types, Calculations of standard free energy change and equilibrium constant, Measurement and calculation of solution pH and potential (Eh), Explanation of Eh-pH diagrams and examples Eh-pH diagrams of different mineral-solution systems, Dissolution reaction kinetics: dissolution mechanism, calculation of reaction rate, rate constant, and activation energy
6 Leaching techniques: In-situ/modified in-situ leaching, Dump and heap leaching, Vat leaching, Agitation leaching, Pressure leaching, Bacterial leaching
7 Solution purification / concentration and recovery: Precipitation methods, Iron removal processes, Chemical precipitation and cementation, Cementation kinetics, Electrowinning
8 Solution purification / concentration and recovery: Ion exchange and activated carbon adsorption, fundamental and kinetics of ion exchange, Industrial applications
9 Solution purification / concentration and recovery: Solvent extraction processes and general principles, Industrial applications
10 Crystallization: Principles of crystallization, Attainment of supersaturation, Nucleation of crystals, Crystallization equipments
11 Solid-liquid separation: Solid-liquid separation and equipments, Thickeners and filters, Counter current decantation circuits
12 Midterm Exam
13 Industrial applications: Industrial hydrometallurgical processes to produce metal from different types of ores/concentrates/tailings/wastes
14 Developments in hydrometallurgical processes, Environmental risk assessments, occupational health and safety

Recomended or Required Reading

Weiss, N.L. (editor-in-Chief) (1985). SME Mineral Processing Handbook, Society of Mining Engineers of the American Institute of Mining, Metallurgical and Petroleum Engineers, Inc. New York.
Akdağ M. (1992). Hidrometalurji-Temel Esasları ve Uygulamalar. 2. Baskı. D.E.Ü. Müh. Mim. Fak. Yayını, No 88. Izmir (In Turkish).
Habashi, F. (1980). Principles of Extractive Metallurgy, Volume 1: General Principles, Gordon & Breach Science Publishers, New York, Second Edition.
Habashi, F. (1985). Principles of Extractive Metallurgy, Volume 2: Hydrometallurgy, Gordon & Breach Science Publishers, New York.
Habashi, F. (1986). Principles of Extractive Metallurgy, Volume 4: Electrometallurgy, Gordon & Breach Science Publishers, New York.
Shon, H.Y. & Wadsworth, M.E. (Eds.). (1979). Rate Processes of Extractive Metallurgy, Plenum Press, New York.
Harland, C.E. (1994). Ion exchange : theory and practice . 2nd ed. Cambridge : Royal Society of Chemistry, 062117110523
Lecture notes

Planned Learning Activities and Teaching Methods

Class presentation and discussion, Team works, laboratory applications, Reports of analyses results, Project presentation, Individual assignment

Assessment Methods

SORTING NUMBER SHORT CODE LONG CODE FORMULA
1 MTE MIDTERM EXAM
2 ASG ASSIGNMENT
3 FIN FINAL EXAM
4 FCG FINAL COURSE GRADE MTE * 0.25 + ASG *0.25 +FIN *0.50
5 RST RESIT
6 FCGR FINAL COURSE GRADE (RESIT) MTE * 0.25 + ASG *0.25 +RST *0.50


Further Notes About Assessment Methods

None

Assessment Criteria

1-6: Mid-term exam, Laboratory and Reports, Project presentation
7-8: Final exam

Language of Instruction

Turkish

Course Policies and Rules

To be announced.

Contact Details for the Lecturer(s)

Assoc. Prof. Dr. Abdullah SEYRANKAYA: a.seyrankaya@deu.edu.tr Tel: +90 232 3017519

Office Hours

To be announced.

Work Placement(s)

None

Workload Calculation

Activities Number Time (hours) Total Work Load (hours)
Lectures 13 2 26
Preparations before/after weekly lectures 13 1 13
Preparation for midterm exam 1 12 12
Preparation for final exam 1 10 10
Preparations before/after weekly lectures 3 15 45
Preparing presentations 3 12 36
Final 1 3 3
Midterm 1 3 3
TOTAL WORKLOAD (hours) 148

Contribution of Learning Outcomes to Programme Outcomes

PO/LOPO.1PO.2PO.3PO.4PO.5PO.6PO.7PO.8PO.9PO.10PO.11
LO.154442512131
LO.252332312131
LO.355335115151
LO.453353112131
LO.554444452145
LO.623555455344
LO.751555434334
LO.824444512522

CONTACT INFORMATION
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Phone: +90(232) 412 12 12 - Fax: +90 (232) 464 81 35

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