Clean TeQ Water Ltd · ASX:CNQ
Clean TeQ Water — Technical Presentation (December 2023)
24 slides from Clean TeQ Water's technical presentation, December 2023
Slide 1: Continuous Direct Lithium Extraction cDLE®
Continuous Direct Lithium Extraction cDLE® Peter Voigt, CTO G2L December 2023 Direct Lithium Extraction 2023
Slide 2: Brought to you by
Brought to you by World’s leading Direct Lithium Extraction technology with proven pathway to full-scale commercial plant Value generation Partnering in a company that provides access Go2Lithium Inc and LithiumBank to one of the largest lithium assets in Northern Resources Corp Partnering to Develop
Slide 3: Our Footprint
Our Footprint Companies Projects Clean TeQ Europe Project: Ordos Netherlands Nitrate removal, mine water Commercial Office & Lab treatment Clean TeQ China Commercial Office & Lab Project: Oman Antimony processing water treatment Computational Geosciences Vancouver Commercial Office Project: DRC Uran
Slide 4: Why DLE?
Why DLE? Compared to hard rock mining and salar evaporation SIMPLE PROCESS BETTER LITHIUM FASTER PRODUCTION LESS LAND AREA LESS WATER INPUT LESS GREENHOUSE GAS LESS TIME TO RECOVERY RATES (GHG) EMISSIONS PRODUCTION December 2023 Direct Lithium Extraction 2023 4
Slide 5: DLE Challenges
DLE Challenges LITHIUM LOADING CAPACITY ELEMENTAL SELECTIVITY SPECIALTY REAGENTS WATER LOW LOADING REDUCES POOR SELECTIVITY INCREASES INCREASES COST AND PROCESS HIGH WATER USE INCREASES ECONOMIC VIABILITY LOADS TO THE REFINERY COMPLEXITY COST ENERGY AND CSG IMPACT OUR CONTINUOUS DLE (cDLE®) TECHNOLO
Slide 6: LithiumBank cDLE®
LithiumBank cDLE® Li Ion Sieve Mineral sorbent Options: Important Sorbent Parameters: • Adsorption • Loading capacity • Ion Exchange (Li Ion Sieve) • Selectivity • Solvent Extraction • Sorption kinetics • Membranes • Desorption chemistry Resin sorbent • Desorption kinetics https://nextinvestors.com/
Slide 7: Sorbent characteristics
Sorbent characteristics R-H+ (s) + Li+ (l) → R-Li+ (s) + H+ (l) R- ion exchange sorbent A A 70ppm B 70ppm Sorbent B Sorbent Loading Loading mg Li/g mg Li/g 1ppm 3ppm 1 10 50 100 1 10 50 100 Concentration in Solution mg Li/L Concentration in Solution mg Li/L A is better than B A is better than B Dec
Slide 8: Sorbent characteristics
Sorbent characteristics R-H+ (s) + Li+ (l) → R-Li+ (s) + H+ (l) R- ion exchange sorbent pH v’s Loading Capacity 7 6 Stage 2 5 Loading “tail” Sorbent Sorbent 4 meq/g Loading Loading mg Li/g mg Li/g Stage 1 3 2 Stage 1 Stage 2 1 Desorption “tail” 0 Sorbent Loading Time (hr) Sorbent Desorption Time (h
Slide 9: Sorbent specifications
Sorbent specifications Highest loading capacity Good Reasonable selectivity for cost Li over Na, Ca, Mg Fast initial Mechanical sorption stability kinetics Reasonable Chemical kinetics to stability maximum loading December 2023 Direct Lithium Extraction 2023 9
Slide 10: cDLE® selection for LithiumBank
cDLE® selection for LithiumBank • Sorbent plus cDLE® • Process • Ion Exchange or Sorbent • Adsorbent • Fixed Bed • Carrousel Process • Continuous counter-current sorption, & • desorption • Static Bed Column • Continuous Moving Packed Bed, or cDLE® Contactor • Continuous Fluid Bed, or • Continuous St
Slide 11: Continuous Ion Exchange Process
Continuous Ion Exchange Process https://youtu.be/2hgPLwmL2Ww December 2023 Direct Lithium Extraction 2023 11
Slide 12: cDLE® Moving Packed Bed
cDLE® Moving Packed Bed H+ loaded Sorbent Li+ loaded Sorbent Barren brine Sorption Wash Desorb Wash Weak Lithium Wash Feed brine to eluate recycle brine recycle to refinery to feed Sorbent Flow Desorption Wash water Wash water solution
Slide 13: cDLE® CSTR
cDLE® CSTR Li+ Sorbent H+ Sorbent Li+ Sorbent Li+ Sorbent H+ Sorbent Sorption Sorption Sorption Sorption Wash Desorb Wash Barren Weak Lithium Wash Feed brine brine eluate recycle brine Sorbent Flow to feed recycle to refinery Desorption Wash water Wash water solution
Slide 14: LithiumBank cDLE® Chemistry
LithiumBank cDLE® Chemistry cDLE® Feed cDLE® Eluate 60,000 4,000 56,719 3,500 3,401 50,000 3,000 40,000 2,500 mg/L mg/L 30,000 2,000 22,390 1,500 20,000 1,000 10,000 416 463 500 4,216 274 2,630 138 114 931 25 21 8 10 3 70 8 0 0 - - B Ba Ca Fe K Li Mg Na Si Sr B Ba Ca Fe K Li Mg Na Si Sr December 202
Slide 15: cDLE® Benefits
cDLE® Benefits cDLE® transforms the economics of low-grade lithium resources 1 2 3 4 5 More revenue Lower opex Lower energy Better environmental Lower opex credentials Lithium Recovery Chemical Inputs Lithium Tenor Refinery Size Water Use cDLE® DLE DLE DLE cDLE® 92-98% 100% 100% 100% 3-10 1,500/t g/
Slide 16: cDLE® improves npv for lithium extraction
cDLE® improves npv for lithium extraction December 2023 Direct Lithium Extraction 2023 16
Slide 17: Next steps
Next steps Aug 2023 Nov 2023 Feb 2024 Feb – Dec 2024 2025 Technical Licence Demonstration Plant Pilot Plant operational in Operate Pilot PFS Agreement ships to Canada Calgary PFS Inputs December 2023 Direct Lithium Extraction 2023 17
Slide 18: cDLE® Pilot Plant
cDLE® Pilot Plant Sorption Contactors Desorption Contactors December 2023 Direct Lithium Extraction 2023 18
Slide 19: Commercial Plants
Commercial Plants DRC uranium – 1,000m3/h Oman sulphate antimony – 50m3/h December 2023 Direct Lithium Extraction 2023 19
Slide 20: Commercial Plants
Commercial Plants Odos China nitrate – 250m3/h Fosterville Australia sulphate – 100m3/h December 2023 Direct Lithium Extraction 2023 20
Slide 21: Render of typical cDLE® plant
Render of typical cDLE® plant Barren Brine Lithium Desorption Tanks Contactors Lithium Sorption Train 1 Contactors Lithium Brine Lithium Desorption Feed Tanks Train 2 Contactors Direct Lithium Extraction 2023 21
Slide 22: cDLE® Downstream – Clean-IX® & HIROX®
cDLE® Downstream – Clean-IX® & HIROX® Lithium cDLE® Eluent Purification concentrate B using Clean-IX® Removal Ca/Mg Ca/Mg • Divalent ion removal Removal Boron Removal • Boron removal IDA Resin selective HIROX® IDA Resin anion • Reverse Osmosis exchange Concentration • Divalent ion removal Carbonatio
Slide 23: cDLE® Upstream – Graphene Membranes
cDLE® Upstream – Graphene Membranes TOC Brine Pre-treatment using Graphene Membranes • TOC removal • Flux 100LMHb (@4bar) Graphene • MWCO>90% @ 800Daltons Membranes • Low to no salt rejection • Fouling resistant • Chlorine resistant Lithium Brine cDLE® Circuit Operation Pressure 2 bar Water Recovery
Slide 24: Corporate Headquarters
Corporate Headquarters 402-1505 West 2nd Ave, Vancouver, BC, V6H 3Y4, Canada Technology Headquarters 12/21 Howleys Rd, Notting Hill, VIC 3168, Australia Contact [email protected]
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