Up-grading of agbado-okudu iron ore using magnetic separation and shaking table techniques

• PAGE DECLARATION- – – – – – – – – – – – iii CERTIFICATION- – – – – – – – – – – – iv DEDICATION- – – – – – – – – – – – v ACKNOWLEDGEMENT- – – – – – – – – – vi ABSTRACT- – – – – – – – – – – – – vii TABLE OF CONTENTS – – – – – – – – – viii LIST OF TABLES- – – – – – – – – – – – xi LIST OF FIGURES– – – – – – – – – – – xiii

Chapter ONE

INTRODUCTION

• – – – – – – – – – – – – 1

Chapter TWO

LITERATURE REVIEW

• 2.0Literature Review- – – – – – – – – – – 4
• 2.1Nigeria Iron Ore Deposits- – – – – – – – – 4 2.
• 1.1Agbado-Okudu Iron Ore- – – – – – – – – 5 2.
• 1.2Mineralogy of Agbado-okudu Iron Ore- – – – – 6
• 2.2Study of some Nigerian Iron Ores Characteristics- – – – 7 2.
• 2.1Iron Ore Beneficiation Process- – – – – – – – 9 2.
• 2.2Gravity concentration process- – – – – – – 9 2.
• 2.3Magnetic separation- – – – – – – – – – 11 ix 2.
• 2.4Froth flotation- – – – – – – – – – – 13
• 2.3Methods for the Beneficiation of Iron Ore- – – – – 13 2.
• 3.1Beneficiation route for the Itakpe Iron Ores- – – – 14
• 2.4Procedures for development of conceptual flow sheet for a newly discovered ore- – – – – – – – – 17
• 2.5Particles Size Analysis – – – – – – – – 19
• 2.6Size/Assay Analysis – – – – – – – – – – 20
• 2.7Determination of liberation size of the valuable Minerals in the Ore – – – – – – – – 20
• 2.8Work index Determination – – – – – – – – 23 2.
• 8.1Standard bond method- – – – – – – – – 23

Chapter THREE

SYSTEM DESIGN AND IMPLEMENTATION

• 3.0Materials and methods- – – – – – – – – – 26
• 3.1Samples collection and equipment used- – – – – – 26
• 3.2Methods- – – – – – – – – – – – 26 3.
• 2.1Preparation of the bulk sample for chemical analysis- – -26 3.
• 2.2Chemical analysis- – – – – – – – – – – 26 3.
• 2.3Microscopy- – – – – – – – – – – – 27 3.
• 2.4Size/Assay analysis- – – – – – – – – – 28 3.
• 2.5Work index Determination- – – – – – – – – 29 3.
• 2.6Separation test using shaking table technique- – – – 29 3.
• 2.7Separation test using Magnetic Separator- – – – – 30 x 3.
• 2.8Shaking table separation followed by Magnetic Separation techniques – – – – – – – 31

Chapter FOUR

SYSTEM TESTING AND EVALUATION

• 4.0Results and Discussions- – – – – – – – 32
• 4.1Results – – – – – – – – 32
• 4.2Discussions – – – – – – – – 32 4.
• 2.1Chemical analysis- – – – – – – – – – – 32 4.
• 2.2Mineralogical analysis- – – – – – – – 33 4.
• 2.3Size/Assay Analysis of the Head Sample – – – 34 4.
• 2.4Work index Determination- – – – – – – – 35 4.
• 2.5Concentration test using Shaking Table – – – – – 36 4.
• 2.6Magnetic separation technique- – – – – – – 40 4.
• 2.7Results of concentration test using shaking table followed by magnetic Separation Techniques – – – – 43

Chapter FIVE

SUMMARY, CONCLUSION AND RECOMMENDATIONS

• 5.0Conclusions and Recommendations – – – – 46
• 5.1Conclusions- – – – – – – – – – – – 46
• 5.2Recommendations- – – – – – – – – – – 46 References- – – – – – – – – – – – – 58