TIDMZNWD
RNS Number : 9347D
Zinnwald Lithium PLC
08 March 2022
Prior to publication, the information contained within this
announcement was deemed by the Company to constitute inside
information as stipulated under the UK Market Abuse Regulation.
With the publication of this announcement, this information is now
considered to be in the public domain.
Zinnwald Lithium plc / EPIC: ZNWD.L / Market: AIM / Sector:
Mining
8 March 2022
Zinnwald Lithium plc
("Zinnwald Lithium" or the "Company")
Completion Of Pilot Scale Test Work Proves the Viability of
Lithium Hydroxide Production
Zinnwald Lithium plc, the German focused lithium development
company, is pleased to confirm that production of battery grade
lithium hydroxide ("LiOH") from Zinnwaldite concentrate is
technically and economically viable at its Zinnwald Lithium Project
(the "Project") in Germany, having completed a pilot scale test
work programme. The test work also confirms the potential to
produce economically significant amounts of commercially saleable
co-products, such as high-purity potassium sulphate ("SOP") and
precipitated calcium carbonate ("PCC").
Overview
-- Pivoting the Project to focus on battery-grade lithium
hydroxide as a primary product to better align with the
requirements of European off-takers
-- Economic, technical, and commercial analysis of test work
undertaken indicates that annual lithium hydroxide production above
10,000 tons could be viable from the core Zinnwald Project
-- Test work also confirms that economically significant amounts
of high-quality by-products, SOP and PCC, can be produced
-- The results from the successful tests will be applied in
basic engineering and will be utilised in an updated feasibility
study
Anton du Plessis, CEO of Zinnwald Lithium, commented: "I am
delighted that we have completed the pilot scale test work
necessary to demonstrate that the Zinnwald Lithium Project is
capable of economically producing meaningful quantities of Lithium
Hydroxide. This is consistent with our strategy of pivoting the
Project to focus on the production of mainstream lithium products
that is in increasingly high demand by the European EV and battery
sectors. Notably, the ability of the Project to deliver domestic
European supply of important co-products such as potassium sulphate
further strengthens our investment case, while equally importantly,
the test work indicates that the process does not generate
environmentally harmful side products."
Details
As previously announced, following an analysis of market trends
in battery chemistry and end-user demand, the Company has refocused
the Project on battery-grade lithium hydroxide as a primary product
to better align with the requirements of European off-takers.
Accordingly, test work, conducted in Germany by a leading
industry specialist, K-UTEC AG Salt Technologies ('K-UTEC'), and
verified by a third-party laboratory through chemical and physical
analysis, processed Zinnwaldite concentrate into high purity (above
99.9% purity) Lithium Hydroxide Monohydrate ('LHM') and high purity
SOP. Furthermore, economic, technical, and commercial analysis
performed indicates that annual lithium hydroxide production above
10,000 tons could be viable from the core Zinnwald license. As
noted in the Company's recent Chairman's Statement, one of its core
plans for 2022 is to undertake drilling on its satellite license
areas with the goal of expanding the potential size of the Project
as a whole.
Lithium recovery from the Zinnwaldite concentrate to the
lithium-product was proven to be above 80% and comparable to
lithium processes from other types of lithium resources.
Non-saleable side streams were proven to contain very low amounts
of soluble, possibly environmentally problematic elements.
In the test programme, calcined Zinnwaldite concentrate was
converted into battery grade LHM in a pilot plant scale test with
almost 50kg of battery grade LHM produced out of several tons of
Zinnwaldite concentrate. The level of impurities in the battery
grade lithium salt were in line with, or below, similar battery
grade lithium products available on the market.
The process flow sheet, developed by in-house experts and
K-UTEC, is based on traditional, proven industrial processing
technology. In the first stage, Zinnwaldite concentrate is
calcinated. The lithium in the calcine is in water-soluble form and
is converted in a solid-state reaction without the use of acid.
After water leaching, the lithium-containing solution is purified,
and after an intermediate step, converted into lithium
hydroxide.
In addition to battery-grade LHM, commercially significant
amounts of high-quality by-products, SOP and PCC, can be
produced.
The results from the successful tests will be applied in basic
engineering and will be utilised in an updated feasibility
study.
*ENDS*
For further information visit www.zinnwaldlithium.com or
contact:
Anton du Plessis Zinnwald Lithium plc info@zinnwaldlithium.com
Allenby Capital Limited
David Hart/Liz Kirchner Nominated Adviser +44 (0) 20 3328 5656
Michael Seabrook Oberon Capital Ltd
Robert Hayward Broker +44 (0) 20 3179 5300
Isabel de Salis/Catherine St Brides Partners Ltd zinnwald@stbridespartners.co.uk
Leftley Financial PR
Notes
Zinnwald Lithium plc (EPIC: ZNWD.L) is an AIM quoted, German
focused lithium development company focussed on becoming an
important supplier to Europe's fast-growing battery sector. The
Company owns 100% of the Zinnwald Lithium Project in Germany, a
late-stage development project with attractive economics and
approved mining licence. The Project is located in the heart of
Europe's chemical and automotive industries and has the potential
to be one of Europe's most advanced battery grade lithium
projects.
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