TIDMALK
RNS Number : 3464M
Alkemy Capital Investments PLC
23 May 2022
23 May 2022
Alkemy Capital Investments Plc
Cathode Active Material manufacturer confirms Tees Valley
Lithium's ultra-pure battery-grade lithium hydroxide exceeds
prevailing standards
Tees Valley Lithium Limited ("Tees Valley Lithium" or "TVL") is
pleased to announce that the specifications of the ultra-pure
battery-grade Lithium Hydroxide it will produce are higher than the
prevailing industry standards.
The testwork was performed by leading technology provider
JordProxa and independently verified by an internationally
recognised cathode active material manufacturer.
Tees Valley Lithium is a wholly-owned subsidiary of LSE listed
Alkemy Capital Investments Plc and is looking to establish a
world-class, independent and sustainable Lithium Hydroxide
production facility at the Wilton International Chemicals park in
the Teesside Freeport, UK.
By sourcing low carbon feedstock and powering an electrochemical
process with Offshore Wind Tees Valley Lithium is aiming to supply
its customers with the world's lowest carbon Lithium Hydroxide.
HIGHLIGHTS:
-- Ongoing testwork had produced ultra-pure battery-grade
lithium hydroxide from low quality industrial grade (95%) lithium
sulphate
-- Product superior to prevalent Chinese standard specification GB/T 26008-2020 D1
-- Full end product specifications now identified and
independently verified by an internationally recognised cathode
active material manufacturer
-- Testwork completed by JordProxa, a globally recognised
technology provider, confirms ability to upscale to commercial
production
Tees Valley Lithium CEO John Walker commented:
" These outstanding testwork results and third-party validation
by a cathode active material manufacturer is yet another positive
milestone for Tees Valley Lithium. The conversion of industrial
grade lithium sulphate to ultra high purity lithium hydroxide
highlights the robustness of our process. These excellent results
also pave the way for advancing our discussions with suppliers of
feedstock as well as off-takers of lithium hydroxide.
We continue to move quickly to establish the UK's first major
independent and sustainable lithium hydroxide producer at the
Wilton International Chemical Park in the Teesside Freeport to
supply burgeoning demand from the European giga factories."
Metallurgical Testwork
Tees Valley Lithium announced the results of its Feasibility
Study (announced on 27 April 2022) for a 96,000tpa lithium
hydroxide production facility to be developed at Wilton
International Chemical Park in Teesside, UK.
As part of the Feasibility Study, various metallurgical testwork
programmes were undertaken by a number of leading laboratories in
the field of lithium and speciality minerals processing and
treatment.
The testwork in respect of the proposed train 1 Glauber's Salt
route was completed by JordProxa Pty Ltd , a leading technology
provider for crystallisation equipment used in the production of
lithium hydroxide products and was overseen by Wave International,
a leading engineering consultancy firm with significant experience
in developing lithium hydroxide projects worldwide.
The product specification of TVL's battery-grade lithium
hydroxide was also independently validated by an internationally
recognised cathode active material manufacturer as well as a
prominent European-based battery technology manufacturing
company.
Utilising the facilities of a technology provider gives a high
degree of confidence in scale-up of the process, and the ability to
replicate the testwork results in commercial scale equipment.
A key programme undertaken to support the proposed Glauber's
Salt route was Glauber's Salt and lithium hydroxide
crystallisation. The crystallisation testwork programme was
designed to prove that the causticisation and crystallisation
process could produce a final ultra-pure lithium hydroxide end
product. This programme included causticisation, Glauber's Salt
crystallisation, three stage lithium hydroxide crystallisation, and
Zero Liquid Discharge (ZLD) crystallisation.
A representative feed material of purified lithium sulphate was
processed at JordProxa's facilities, following the proposed train 1
flowsheet. The purified lithium sulphate is representative of the
output of the impurity removal circuit based on industrial grade
feedstock at 95% lithium sulphate purity.
After three stages of crystallisation, an ultra-pure battery
grade lithium hydroxide product was produced, exceeding the Chinese
Standard GB/T 26008-2020 D1 as well as TVL's target specifications.
The full results and specifications are set out in Table 1
below.
Table 1 - Lithium Hydroxide Product Specifications
ANALYTE UNIT GB/T TVL TARGET TVL TESTWORK TARGET
26008-2020 RESULT
D1
56.5% Exceeded, calculated
LiOH % 57.5% 59% 99.90% by difference
------ ------------- ----------- ------------- ---------------------
Al ppm - <=1 <0.5 Exceeded
------ ------------- ----------- ------------- ---------------------
Ca ppm <=20 <=15 2.8 Exceeded
------ ------------- ----------- ------------- ---------------------
Cu ppm <=1 <=1 <0.3 Exceeded
------ ------------- ----------- ------------- ---------------------
Fe ppm <=7 <=7 <2.5 Exceeded
------ ------------- ----------- ------------- ---------------------
K ppm <=30 <=10 5.2 Exceeded
------ ------------- ----------- ------------- ---------------------
Mg ppm <=10 <=10 <2.5 Exceeded
------ ------------- ----------- ------------- ---------------------
Mn ppm <=10 <=10 <1 Exceeded
------ ------------- ----------- ------------- ---------------------
Na ppm <=50 <=50 3.8 Exceeded
------ ------------- ----------- ------------- ---------------------
Ni ppm - <=10 <2.5 Exceeded
------ ------------- ----------- ------------- ---------------------
Si ppm <=50 <=30 8.1 Exceeded
------ ------------- ----------- ------------- ---------------------
Zn ppm - <=10 0.9 Exceeded
------ ------------- ----------- ------------- ---------------------
Cl- ppm <=20 <=20 8.0 Exceeded
------ ------------- ----------- ------------- ---------------------
SO42- ppm <=80 <=80 20.5 Exceeded
------ ------------- ----------- ------------- ---------------------
CO32- % <=0.4 <=0.2% .09 Exceeded
------ ------------- ----------- ------------- ---------------------
B ppm <=50 <=50 <1 Exceeded
------ ------------- ----------- ------------- ---------------------
Acid Insoluble ppm <=50 <=50 Not analysed N/A
------ ------------- ----------- ------------- ---------------------
Magnetic ppb <=50 <=50- Not analysed N/A
Impurities
------ ------------- ----------- ------------- ---------------------
Whilst Chinese Standard GB/T 26008-2020 D1 is considered to be
the industry reference for battery grade LHM, Tees Valley Lithium
will aim to produce a premium product which exceeds these
requirements and will be attractive to tier 1 customers.
The production of an ultra-pure, premium product from TVL's
flowsheet (without the need for extensive optimisation) validates
the robust flowsheet adopted and represents a significant
milestone.
Further testwork to be undertaken will include the production of
larger customer samples from the Glauber's Salt process and
crystallisation of liquors from the electrochemical testwork to
further refine the ultra-pure battery grade lithium hydroxide
produced from this process.
Figure 1 - Crystallisation testwork at JordProxa. Top left:
glass jar crystallisers. Top right: crystallisers. Bottom left:
centrifuge. Bottom right: LHM crystals. To view the images, please
click on the following link
https://www.alkemycapital.co.uk/images/2022/May/Figure_1.jpg
Further information
For further information, please visit the Company's website:
www.alkemycapital.co.uk or www.teesvalleylithium.co.uk
-Ends-
Alkemy Capital Investments Plc Tel: 0207 317 0636
Sam Quinn info@alkemycapital.co.uk
VSA Capital Limited Tel: 0203 005 5000
Andrew Monk (corporate broking) amonk@vsacapital.com
Andrew Raca (corporate finance) araca@vsacapital.com
Shard Capital Partners LLP
Damon Heath Tel: 0207 186 9952
damon.heath@shardcapital.com
Isabella Pierre Tel: 0207 186 9927
isabella.pierre@shardcapital.com
NOTES TO EDITORS
Alkemy is seeking to develop, construct and operate the world's
leading independent and sustainable lithium hydroxide production
facility.
Alkemy, through its wholly-owned subsidiary Tees Valley Lithium,
has secured a 9.6ha brownfields site at the Wilton International
Chemical Park located in Teesside, a major UK Freeport.
Alkemy has completed a Class 4 Feasibility Study for its
proposed lithium hydroxide facility which will process feedstock
imported from various sources to produce 96,000 tonnes of premium,
low-carbon lithium hydroxide annually, representing around 15% of
Europe's projected demand.
Forward Looking Statements
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statements are based on reasonable assumptions and expectations of
management and Alkemy provides no assurance that actual events will
meet management's expectations. In certain cases, forward--looking
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