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YDROMETALLURGYYDROMETALLURGY 3 – Methods & Equipment 3 – Methods & Equipment

Fathi HabashiFathi Habashi

Department of Mining, Metallurgical, and Materials EngineeringDepartment of Mining, Metallurgical, and Materials EngineeringLaval University, Quebec City,,CanadaLaval University, Quebec City,,Canada Fathi. abashi!arul.ulaval.caFathi. abashi!arul.ulaval.ca

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d!ometa""u!#d!ometa""u!#

Solid-LiquidSeparation

ConcentrationPurifcation

Precipitation

Oxidant Leaching agentre

Solidtowast

Solution

Pure Metalscompounds

Precipitantor electriccurrent

Leaching

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Lea$hin# Methods & Equipmentea$hin# Methods & Equipment

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Leaching in"situ $Leaching in"situ $

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Leaching in"situ %Leaching in"situ %

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Lea$hin# in%situ ea$hin# in%situ

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Lea$hin# in%situ 'ea$hin# in%situ '

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Leaching in"situ &Leaching in"situ &

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Lea$hin# in eaps (ea$hin# in eaps (

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Lea$hin# in eaps )ea$hin# in eaps )

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Lea$hin# in eaps 3ea$hin# in eaps 3

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Lea$hin# in eaps ea$hin# in eaps

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Lea$hin# in eaps ea$hin# in eaps

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Lea$hin# in eaps *ea$hin# in eaps *

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Lea$hin# in +ats )ea$hin# in +ats )

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A#itation Lea$hin##itation Lea$hin#

# ' (pen vessel# ' (pen vesselMechanical agitationMechanical agitation

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A#itation#itationLea$hin#ea$hin#

3 - Closed vessel3 - Closed vesselmechanically agitatedmechanically agitated

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A#itation#itation

Lea$hin#ea$hin#) " *neumatic) " *neumatic

Oreslurry

Wash waterCompressedair

Centralopen tube

Outlet

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/!essu!e Lea$hin#!essu!e Lea$hin#

In absence of air or oxygen .In presence of air or oxygen .

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Auto$"a-esuto$"a-es

# " +ertical# " +ertical*neumatic agitation*neumatic agitation

Shield

Pulpdischargetube

Opening forsteam inlet

Opening forsteam exit

Opening for

pressure gauge

Opening forpulp inlet

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Auto$"a-esuto$"a-es

$" +ertical$" +ertical*neumatic agitation*neumatic agitation

PulpPulp input

Level indicator

Air and H SO !

Steam

discharge

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Auto$"a-esuto$"a-es

% ' +ertical% ' +erticalMechanically agitatedMechanically agitated

Acid

"anhole

Outlet

Over#ow

$nlet

Oxygen

%ubberlining

&rain

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Auto$"a-esuto$"a-es( % o!i0onta" % o!i0onta"

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Auto$"a-esuto$"a-es) % o!i0onta" % o!i0onta"

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Auto$"a-esuto$"a-es3 % o!i0onta" % o!i0onta"

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Auto$"a-esuto$"a-es % o!i0onta" % o!i0onta"

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Auto$"a-esuto$"a-es' – o!i0onta" . !otatin# – o!i0onta" . !otatin#

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Auto$"a-esuto$"a-es* – o!i0onta" . !otatin# – o!i0onta" . !otatin#

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Auto$"a-esuto$"a-es( –1phe!i$a" . !otatin# –1phe!i$a" . !otatin#

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Auto$"a-esuto$"a-es) –1phe!i$a" . !otatin# –1phe!i$a" . !otatin#

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Auto$"a-esuto$"a-es3 –1phe!i$a" . !otatin# –1phe!i$a" . !otatin#

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Auto$"a-esuto$"a-es( – /ipe"ine – /ipe"ine

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Auto$"a-esuto$"a-es) – /ipe"ine – /ipe"ine

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Auto$"a-esuto$"a-es3 – /ipe"ine – /ipe"ine

'lash tan(s

Steam)Salt

CondensateOutlet

Heat exchanger

Preheater

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2a in#a in#/!o$ess (!o$ess (

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2a in#a in#/!o$ess 3!o$ess 3

,levation

Plan

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Mi$!oo!#anismsi$!oo!#anismsOxygen CO Oxygen

PO -.!

A/ueousphase

,n0ymeS . 1 O

,n0yme"icroorganism

S . " 1 "S " 1 1 S .

Sul2de mineral

SO .

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T A451 A451