Mineral Dressing

Teacher

Laxmidhar Behera

Category

Core Courses

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Course Name : Mineral Dresssing

Code(Credit) : ABC01(2-0-1)

Course Objectives

Exposure to various aspects of beneficiation of ores and industrial minerals for value addition.

To introduce mineral processing characteristics of minerals.

To introduce Concentrations, Physico-chemical principles.

To introduce Flowsheets for the beneficiation of various minerals.

Learning Outcomes

 Exposed to the practices of beneficiation ores and coal.

 Gain value up-gradation for main product and for the byproduct. 

Various techniques of Mineral processing

 

Course Syllabus

MODULE I Introduction

Scope, objectives, and limitations of mineral processing, liberation, and beneficiation characteristics of minerals and coal. Comminution: Theory and practices of crushing and grinding.

MODULE II Liberation

Liberation- importance, and determination of liberation size, Crushing fundamentals, construction, and operational features of primary and secondary crushers, Jaw, Gyratory, cone, and roll crushers. Grinding- theory and practice, Ball & Rod Mills construction, and operation.

Project :

Study on mineral processing, liberation, and beneficiation in India Scenario.

Study on Operational features of different grinding practices.

MODULE III Grinding

Theory of grinding, critical speed, types of grinding mills, such as ball mills, rod mill, autogenous mills, close circuit and open circuit grinding.

MODULE IV Metallurgical Accounting

Sampling, Definition, objectives, different types of sampling methods. Hand sampling, mechanical and electrical sampling.

MOUDLE V Size Separation

Industrial screens, mechanical classifiers and hydro cyclones, mineral concentration technologies including magnetic and electrostatic separation, gravity separation, and flotation.

References

Introduction to Mineral Processing – V. Malleswar Rao

Mineral Processing – B A Wills

Ore Deposits of India – Their distribution and processing. Rao, T C and Gokhale, KVG.

 

 

 

Session Plan

Session 1,2

LECTURE: Introduction 

Scope, objectives, and limitations of mineral processing, liberation.and beneficiation. 

Session 3,4

LECTURE:

Characteristics of minerals and coal.

Session 5

LECTURE

Comunition

 Theory and practices of crushing and grinding.

Sesssion : 6,7

LECTURE :

Liberation importance, and determination of liberation size

Session 8

LECTURE :

Crushing fundamentals, construction, and operational features of primary and secondary crushers, Jaw, Gyratory. 

Session 9

LECTURE :

Gyratory, cone, and roll crushers. Grinding- theory and practice, Ball & Rod Mills construction, and operation.

Session 10

Project  review :

Study on mineral processing, liberation, and beneficiation in India Scenario.

Study on Operational features of different grinding practices.

Session 11,12

LECTURE :

Ball mills, rod mill, autogenous mills, close circuit and open circuit grinding.

LECTURE :

Liberation importance, and determination of liberation size

LECTURE :

Liberation importance, and determination of liberation size

LECTURE :

Liberation importance, and determination of liberation size

LECTURE :

Liberation importance, and determination of liberation size

LECTURE :

Liberation importance, and determination of liberation size

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Laxmidhar Behera

Lecturer in Civil Engineering
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