Co-Matrix™ Filters for Electrolyte Filtration SpinTek Filtration, Inc. Delkor South America Ltd.
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Transcript of Co-Matrix™ Filters for Electrolyte Filtration SpinTek Filtration, Inc. Delkor South America Ltd.
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Co-Matrix™ Filters for Electrolyte Filtration
SpinTek Filtration, Inc.Delkor South America Ltd.
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Organic Recovery
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SpinTek Installations CVRD USINA, BrazilCVRD USINA, Brazil 129 m129 m33/hr/hr Chelopech, BulgariaChelopech, Bulgaria 225 m225 m33/hr/hr Gaby, ChileGaby, Chile 1,400 m 1,400 m33/hr/hr Kansanshi Copper, Zambia Kansanshi Copper, Zambia 494 m494 m33/hr/hr BHP-Billiton (Escondida), Chile 1,700 mBHP-Billiton (Escondida), Chile 1,700 m33/hr/hr Spence, ChileSpence, Chile 2,400 m 2,400 m33/hr/hr Goro Nickel, New Caledonia 1,750 mGoro Nickel, New Caledonia 1,750 m33/hr/hr
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SpinTek Installations Skorpion Zinc, Nambia Skorpion Zinc, Nambia 700 m700 m33/hr/hr Nkana Leach, Zambia Nkana Leach, Zambia 145 m145 m33/hr/hr Mufulira, Zambia Mufulira, Zambia 145 m145 m33/hr/hr Sable Zinc, Zambia Sable Zinc, Zambia 100 m100 m33/hr/hr Gunpowder, Australia Gunpowder, Australia 400 m400 m33/hr/hr Toquepala, Peru Toquepala, Peru 825 m825 m33/hr/hr
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Dual-Media Filters
Tankpic.jpg
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SX Dual-Media Filter
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Gunpowder
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CoMatrix Filter
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CoMatrix™ Electrolyte FilterDesign Operation – 60m3/hr.m2
0
10
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0 2 4 6 8 10 12Elapsed Time (hours)
Org
anic
Ent
rain
men
t (pp
m)
Inlet
After Matrix Plates
Outlet
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Operation
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Aqueous
Filtered AqueousService Mode
Filter Service Flow
AnthraciteGarnet
Packing
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Aqueous OrganicPurge
Organic Purge
Filter Organic Purge
AnthraciteGarnet
Packing
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Coalescing Droplets onMatrix Plate
Surface
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Air
Aqueous RecoveryFeed Evacuation
Filter Feed Evacuation
AnthraciteGarnet
Packing
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Water InletVent
Water Fill Step
Filter Water Fill
AnthraciteGarnet
Packing
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Air Outlet
Air InletAir Scour Step
Filter Air Scour
AnthraciteGarnet
Packing
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Backwash Outlet
Water InletBackwash Step
Filter Backwash
Anthracite
Garnet
Packing
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Aqueous
Filtered AqueousService Mode
Filter Service Flow
AnthraciteGarnet
Packing
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Technical Comments Process Design considers 12 hour cycle Process Design considers 12 hour cycle Mechanical Design considers the filters rated at 350 kPa.Mechanical Design considers the filters rated at 350 kPa. Operating Costs for CoMatrix will be lower, value
depends on backwash Coalescing Plates not considered a consumable. Some Coalescing Plates not considered a consumable. Some
extra cost added into Capital Spares (see op cost tables)extra cost added into Capital Spares (see op cost tables)
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Organic Recovery• To Recover - Entrained Organic solution from the
electrolyte prior to Electro-winning• Entrained Organic defined as droplets of organic
solution not miscible in the aqueous portion• Current technology considers the use of
Column Flotation Coalescers SX Dual Media Filters
• This presentation reviews the electrolyte filtration step in the organic recovery process.
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Design Concept Anthracite bed holding capacity defined in kg organic
per m2 anthracite bed surface Anthracite load bearing capacity defines filter capacity Coalescing plates take out part of the organic load Less organic load on anthracite bed means
» Longer cycles without backwash » Higher feed rates for the same cycle» Higher organic content in feed
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Feed Flow of 1800m3/hrDual Media – Design Base - 12 m3/hr. m2
150m2 of Filter Area 10 x 4.6m (15’) diameter DM Filters
CoMatrix – Design Base - 60 m3/hr. m2
30m2 of Filter Area 3 x 3.6m (12’) diameter Filters
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CoMatrix Benefitso Smaller Foot Print, less instruments, less valves,
piping, controls etc.o Lower Capital Costo Lower Operating Cost
» Less Filter Media» Backwash Water Consumption 6lt per m3 Electrolyte» Dual Media Backwash Consumption +- 19lt per m3
Electrolyte o Can accept higher Organic in Feed Stream – if lower
design rates used
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Industrial Scale Pilot Plant Trials
Objectives:o Compare Operation of CoMatrix Design to
standard Dual Media Design
Test Runs – Oxide Cu Leach Plant in Chileo Dual Media ran at design Rate – 12
m3/hr.m2
o CoMatrix ran at: 3 x DM Filtration Rate - 36 m3/hr.m2
4 x DM Filtration Rate - 48 m3/hr.m2
5 x DM Filtration Rate - 60 m3/hr.m2
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Industrial Scale Pilot Plant Trials
Measurementso Operating Time – in serviceo Backwash Time – out of serviceo Flow Rateso Pressure drops during in and out of
service operations
Pilot Equipmento 0.05m2 CoMatrix Filter x 3mts high +
filter media, CoMatrix packs, valves, PLC etc.
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Results 3 x DM Filtration Rate
Dual Media
Dual Media
Dual MediaDual Media
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Results 4 x DM Filtration Rate
Dual Media Dual Media
Dual Media
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Results 5 x DM Filtration Rate
Dual Media Dual Media
Dual Media
Organic Break Through after 8 hours
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CoMatrix InstallationsAnglo Base Metals -
Skorpion
Loaded Electrolyte Filters
Raffinate & HCl Solution Filters
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Escondida Low Grade
Sulphide Project
4 x 4.11m dia CoMatrix 480-625 m3/hr flow to each
filter – 1880 m3/hr total Original project
contemplated 8 x 4.72m Dual Media Filters
60 ppm inlet organic, 2 ppm outlet
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Escondida Low Grade
Sulphide Project
Start up – June / July 2006 Initial problems with
services and automated sequence
Initial Data sketchy. 2 to 3ppm organic and 1 to 3ppm inorganics at design flow @ 12 hour cycles
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BHP Billiton Spence
6 x 3.81m dia CoMatrix 420-470 m3/hr flow to
each filter – 2500 m3/hr total
Original project contemplated 12 x 4.57m Dual Media Filters
100 ppm inlet organic, 2 ppm outlet
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BHP Billiton Spence
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GRACIAS – THANK YOU