Cypress Development Announces Further Advancement in Chloride Leaching for Clayton Valley Lithium Project in Nevada
January 28 2021 - 8:00AM
Cypress Development Corp. (
TSX-V:
CYP) (
OTCQB:
CYDVF) (
Frankfurt:
C1Z1) (“Cypress” or “the Company”) reports
additional valuable advances in the Company’s scoping-level study
of chloride-based leaching to recover lithium from the claystone at
its Clayton Valley Lithium Project. As described in the December
3rd and 16th 2020 news releases, the Company initiated an
investigation into chloride-based leaching and the potential
economic and environmental benefits over sulfide-based leaching.
Progress to date indicates a positive alternative to a
sulfate-based approach and merits consideration for the Company’s
upcoming pilot plant program.
Test work completed on 200- to 400-g samples of
claystone used hydrochloric acid (HCl) and sodium chloride (NaCl)
brine as the leach solution. Test results from this work determined
the optimum parameters for leaching temperature, acid strength, and
retention time. The data were used to conduct a test on a 33 kg
sample of claystone which yielded greater than 81% extraction of
the lithium into solution. The Company identifies this as a
starting point for the pilot plant program to expand upon these
results and demonstrate that they are sustainably operational on a
larger scale.
Samples of the leach slurry were tested by
Pocock Industrial, Inc. to address solid-liquid separation through
standard and high-density thickeners, and vacuum and pressure
filtration. The results indicate potential benefits that include
faster filtration and settling rates with the utilization of
standard thickeners and filtration equipment. The differences in
settling and filtration rates also mean processing may be
accomplished with significantly less make-up water. With the
chloride-based approach, the leach solution is amenable to standard
processes to recover the lithium and potentially other
products.
“The Company is pleased with the results from
our scoping study,” said Cypress CEO Bill Willoughby.
“Chloride-based leaching represents an alternative to sulfuric acid
and could be impactful in the areas of economy, process and the
environment. There are still important trade-offs to consider with
respect to power and acid supply, as well as some remaining
analyses, but this is an alternative that will most likely become
the focus of the pilot plant program. This work is critical to our
goal of advancing the Clayton Valley Lithium Project towards a
feasibility study later this year.”
Qualified Person:
Todd Fayram, MMSA-QP, is the qualified person as
defined by National Instrument 43-101 and has approved the
technical information in this release.
About Cypress Development
Corp.:
Cypress Development Corp. is a publicly traded
exploration company focused on developing the Company’s 100%-owned
Clayton Valley Lithium Project in Nevada. Exploration and
development by Cypress discovered a world-class resource of
lithium-bearing claystone adjacent to the Albemarle Silver Peak
mine, North America's only lithium brine operation. The size of the
resource makes the Clayton Valley Project a premier source that has
the potential to impact the supply of lithium for the fast-growing
global energy storage battery market.
Clayton Valley Lithium Project, Nevada
Claims Map:cyp_cypress_-_albemarle_properties_map.jpg
(1060×706) (cypressdevelopmentcorp.com)
To find out more about Cypress Development Corp.
(TSX-V: CYP), visit our website at
www.cypressdevelopmentcorp.com.
CYPRESS DEVELOPMENT CORP.
“Dr. Bill Willoughby”
WILLIAM WILLOUGHBY, PhD.,
PEChief Executive Officer
For further information contact myself or: Don MyersCypress
Development Corp.Director, Corporate CommunicationsTelephone:
604-639-3851Toll Free: 800-567-8181Facsimile: 604-687-3119Email:
info@cypressdevelopmentcorp.com
NEITHER THE TSX VENTURE EXCHANGE NOR ITS
REGULATION SERVICES PROVIDER ACCEPTS RESPONSIBILITY FOR THE
ADEQUACY OR ACCURACY OF THE CONTENT OF THIS NEWS RELEASE.
This release includes certain statements that
may be deemed to be "forward-looking statements". All statements in
this release, other than statements of historical facts, that
address events or developments that management of the Company
expects, are forward-looking statements. Although management
believes the expectations expressed in such forward-looking
statements are based on reasonable assumptions, such statements are
not guarantees of future performance, and actual results or
developments may differ materially from those in the
forward-looking statements. The Company undertakes no obligation to
update these forward-looking statements if management's beliefs,
estimates or opinions, or other factors, should change. Factors
that could cause actual results to differ materially from those in
forward-looking statements, include market prices, exploration and
development successes, continued availability of capital and
financing, and general economic, market or business conditions.
Please see the public filings of the Company at www.sedar.com for
further information.
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