RCS - CleanTech Lithium - Collaboration with DuPont Water Solutions

Cleantech LithiumAnnouncement

17/04/2025 07:00

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RNS Number : 3609F  CleanTech Lithium PLC  17 April 2025

17 April 2025

CleanTech Lithium PLC

 ("CleanTech Lithium" or the "Company")

Collaboration with DuPont Water Solutions to Test Lithium Processing
Technology

 

CleanTech Lithium (AIM: CTL), an innovative sustainable lithium developer in
Chile, is collaborating with DuPont Water Solutions, a business unit of
DuPont, to test lithium processing technology. DuPont has developed a new
nanofiltration (NF) membrane technology for high lithium recovery. This will
be tested in CleanTech Lithium's direct lithium extraction (DLE) downstream
process.

 

The role of the NF is to remove impurities and maximise lithium recovery.
DuPont's new NF membrane element (named FilmTec™ LiNE-XD nanofiltration
elements) is specifically designed for the lithium sector and will be tested
in CTL´s next scheduled phase of post-DLE pilot plant testing. CTL is
implementing NF following the eluate concentration stage which utilises
industrial forward osmosis (iFO™) in the concentrating of lithium and
reduction of boron. CleanTech Lithium is investigating the potential of these
technologies to eliminate the need for thermal evaporation (TE) and
crystallisation in production of battery grade lithium carbonate, which would
result in potentially significant CAPEX savings.

 

Ignacio Mehech, CEO, CleanTech Lithium, said:

"Our collaboration on testing a new NF membrane developed by DuPont for high
selectivity in removing impurities while maximising lithium recovery, is in
line with CleanTech Lithium's mission to deliver efficient and sustainable
lithium extraction. By leveraging advanced membrane technology, we aim to test
if battery-grade lithium carbonate can be produced without the need for
thermal evaporation and crystallisation, resulting in potential cost savings
and increased efficiency. We look forward to validating this through our
upcoming pilot plant downstream operations with our partner Conductive
Energy."

 

 For further information contact:
 CleanTech Lithium PLC
 Steve Kesler/Gordon Stein/Nick Baxter          Jersey office: +44 (0) 1534 668 321

                                                Chile office: +56 9 312 00081
                                                Or via Celicourt
 Celicourt Communications                       +44 (0) 20 7770 6424

 Felicity Winkles/Philip Dennis/Ali AlQahtani   cleantech@celicourt.uk (mailto:cleantech@celicourt.uk)

 

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Notes

About DuPont

 

DuPont (NYSE: DD) is a global innovation leader with technology-based
materials and solutions that help transform industries and everyday life. Our
employees apply diverse science and expertise to help customers advance their
best ideas and deliver essential innovations in key markets including
electronics, transportation, construction, water, healthcare and worker
safety. More information about the company, its businesses and solutions can
be found at www.dupont.com (http://www.dupont.com) . Investors can access
information included on the Investor Relations section of the website
at investors.dupont.com.

About CleanTech Lithium

CleanTech Lithium (AIM:CTL, Frankfurt:T2N) is an exploration and development
company advancing lithium projects in Chile for the clean energy transition.
CleanTech Lithium has two key lithium projects in Chile, Laguna Verde and
Viento Andino, and exploration stage project in Arenas Blancas (Salar de
Atacama), located in the lithium triangle, a leading centre for battery grade
lithium production.

The two most advanced projects: Laguna Verde and Viento Andino are situated
within basins controlled by the Company, which affords significant potential
development and operational advantages. All three projects have good access to
existing infrastructure.

CleanTech Lithium is committed to utilising Direct Lithium Extraction ("DLE")
with reinjection of spent brine resulting in no aquifer depletion. Direct
Lithium Extraction is a transformative technology which removes lithium from
brine with higher recoveries, short development lead times and no extensive
evaporation pond construction. For more information, please
visit: www.ctlithium.com (http://www.ctlithium.com/)

 

 

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