Kristian Waters
Kristian.waters@mcgill.ca
Introduction to Mineral Processing, terms
and flowsheets
Introduce new technologies being
investigated
Basic Mass balances and economics
Two components
Is the processing economically viable?
Crushing & Sizi

Introduction to Iron Ore
Process Engineering
Pietro Navarra, Eng., Ph.D.
Manager, Process
Mining and Metals Division, Canada Est
April 3rd 2013
Technical Scope
Metallurgy
Mineral Processing
Crushing, grinding, classification, gravity and magnetic
separat

BRIEF
INTRODUCTION TO
SAMPLING IN
MINERAL
PROCESSING
By: Ricardo R. Herzog
Heath & Sherwood (1964) Ltd.
BRIEF
INTRODUCTION TO
SAMPLING
1- Objective of sampling
Process Control
Metallurgical Control
2- Basic Definitions
3- Basics of sampling theory
D

MIME 341 Assignment 2
Due in Tuesday 22nd March 2016
MIME 341: Assignment 2 Due in on Tuesday 22nd March 2016
1)
ii)
Given the following data, determine the partition number of each size range from
a hydrocyclone and present this in a table. Show your met

MIME 341 Introduction to Mineral
Processing
Module 4: Magnetic and
electrostatic separation
Commencing Tuesday 15
March 2016
Magnetic separation
Magnetic separators exploit the difference in
magnetic properties between the minerals in a
deposit and are u

MIME 341 Assignment 5
Due in Tuesday 14h April 2016
MIME 341: Assignment 5 Due in on Thursday 14th April 2016
1. A continuous centrifugal separator has a flat walled bowl, 10 cm in diameter and
10 cm high.
i.
If the bowl rotates at 1455 rpm, and the water

MIME 341 Assignment 1
Due in Tuesday 2nd February 2016
MIME 341 Assignment 1
Due in Tuesday 2nd February 2016
1) Mineralogical data has shown that there are considerable valuable mineral
deposits on extra-terrestrial sites, including the moon. Are these d

AG, SAG and Ball Mill
Grinding Design Lecture
McGIll University
March 10, 2016
Spencer Reeves, BASc
Project Manager
Objectives
Understand why AG/SAG is used and its basic
characteristics
Understand one methodology to size AG/SAG mills
Have a rational c

MIME 341 Introduction to Mineral
Processing
Module 2 Flotation
Part 2
Thursday 14 April, 2016
Flotation: Interactive System
PHYSICS
MACHINE
SYSTEM
CHEMISTRY
CIRCUITS
Flotation is large scale!
Courtesy of FFRG Imperial College London
(Wills & Finch, 2016)

MIME 341 Assignment 4
Due in Tuesday 12h April 2016
MIME 341: Assignment 4 Due in on Tuesday 12th April 2016
1. The data below gives the recovery of copper as a function of laboratory (batch) flotation time.
What is the rate constant for the copper minera

MIME 341 Introduction to Mineral
Processing
Module 6 After separation of
minerals
Thickeners, Filtration,
Environmental
Tuesday 05 April 2016
Dewatering methods can be broadly classified into
three groups:
sedimentation (gravity and centrifugal),
filtr

MAGNETIC SEPARATION
1 Theory
Magnetic separation is a process that exploits the difference in magnetic properties
between the ore minerals. This process can be used to concentrate magnetic minerals
and also for the removal of magnetic contaminants.
Materi

Presentation to MIME 341
February 20th, 2013
IN
CON
DOM FI
INO DO
J.E. Nesset
The presentation will cover
A simplified view of flotation kinetics
The gas dispersion measurements
The gas dispersion sensors
Examples of how the measurements are
used to b

MIME 341
Guest Lecture
March 20, 2013
Bubbles and Flotation
Bubbles: for fun and profit
J. A. Finch
Gerald G Hatch Chair in Mining and Metallurgical Engineering
IN CON
DOM FI
INO DO
1
A couple of quotes
We know that the key to the flotation
process is to

MIME 341 Lecture 2: Wednesday 9th January,
2013
Aims: to determine the amount of each mineral,
phase and size in all streams
Mass of phases, elements and minerals is
always conserved in mineral processing
Particle size fractions may not be - breakage
C

MIME 341 Lecture 3: Monday 23 January,
2012
Breakage of the ore
Liberation of mineral particles
Highly energy intensive
More than 1 % of the worlds energy goes into
breaking rocks
Highly inefficient
Approximately 3 %
Approximately 25 35 % of a base meta

modelling and simulation in comminution
research and development
Peter Radziszewski
Associate Professor
Comminution Dynamics Lab
Department of Mechanical Engineering
Cross Appointed to the Mining and Materials
Engineering Department
1
Comminution
Dynamics

Comminution
Dynamics
Lab
Thinking Outside of the Sphere
- adventures in space mining research
Peter Radziszewski, ing.
Associate Professor
Mechanical Engineering
CAE 25th Anniversary
http:/comminutiondynamicslab.mcgill.ca
cross appointed to
Mining and Mat

MIME 341 Lecture 4: Wednesday 16 January,
2013
MIME 341
Conventional rotational speed is in rpm
In tumbling mills, a percentage of the critical
speed is used
This refers to the speed at which the media
will be just pinned to the wall by centrifugal
force

MIME 341 Lecture 10: Monday 18 February,
2013
Filtration is the process of removing solids
from a liquid using porous medium
Mechanical in operation
Use vacuum to enhance the filtration
Ullmanns encyclopedia of industrial chemistry
Rate of filtration wil

100 Years of Blowing Bubbles for Profit
(With an Emphasis on the Bubbles)
Jan E. Nesset
CIM Distinguished Lecturer (2008-9)
sponsored by
Presented at McGill
February 13, 2013
Outline.
What is flotation and why this talk now?
Lets step back 100 years
T

MIME 341 Lecture 8: Monday 11 February
2013
Hydrophilic surface
Hydrophobic surface
The idea of observing a three phase contact
angle created by a fluid sitting on a smooth
surface in air was first proposed by Thomas
Young in 1805
For a perfectly spherica

MIME 341 Lecture 13: Monday 18 March 2013
Designing a process (or plant) is dependent
upon many things, icluding [but not limited
to] the following
Defining the project
Designing the flowsheet & Equipment
Logistics
The philosophy of design is ubiquitous
I

MIME 341 Lecture 7: Wednesday 6 February,
2013
Froth flotation is the most widely utilised
method of separating valuable minerals
from gangue
It relies on differences in the surface
chemistry, namely wettability
It is the cheapest and most extensively
u

MIME 341 Lecture 6: Monday 4 February,
2013
Paramagnetism
Materials only slightly affected by magnetic field. Align in
the direction of the magnetic field. Alignment disrupted by
thermal excitation.
Ferromagnetism
Five ferromagnetic elements (Fe, Co, Ni

Crushing and SAG Mill Design
Lecture
McGill University
March 27, 2013
John Starkey, BASc., P. Eng.
President
Agenda
Crusher Design - Discussion
SAG Mill Design - Discussion
Part I - BACKGROUND
1. Info Required for Mill design
2. History of SAG mill design

Gravity Concentration: the Knelson Concentrator
1. Introduction
One way to separate minerals is to use differences in their density or specific gravity.
There are several ways this can be done, all collectively referred to as gravity separation
processes.