Further Studies Confirm Superior Results of EnviroLeach Compared to Cyanide
30 May 2019 - 7:00PM
EnviroLeach Technologies Inc. (the “Company “or “EnviroLeach”),
(CSE: ETI) (OTCQB: EVLLF) (7N2: FSE) is pleased to report that
studies comparing EnviroLeach to that of cyanide on two separate
samples of high grade mineral ore verified that EnviroLeach
outperformed cyanide on both overall recoveries and leach kinetics.
The research work was done by EnviroLeach and SGS in Burnaby.
The 24-hour leach tests were performed as part
of a continued strategic collaboration between the Company and
several gold producers. The tests were conducted on high-grade ore
and flotation concentrates using the EnviroLeach formula compared
to a high-grade 5 g/l cyanide solution. SGS was contracted to
conduct the cyanide leach tests for the comparison.
The tests on the high-grade ore sample, with an
assayed gold head grade of 675 g/t, showed the most favorable
results with the EnviroLeach formula attaining gold recoveries of
over 99% in under 6 hours with cyanide attaining recoveries of 94%
in 24 hours. The results are presented in graph 1 and the
following table:
A graph accompanying this announcement is available at
https://www.globenewswire.com/NewsRoom/AttachmentNg/0f60792f-5648-4060-be4f-6e00fb2000b6
|
Residue |
Recoveries (%) |
Leach Type |
(g/t Au) |
1hr |
3hr |
6hr |
8hr |
24hr |
30hr |
ETI Med Conc |
5.0 |
82.6 |
79.9 |
99.6 |
|
|
|
ETI High Conc |
5.5 |
88.0 |
94.6 |
99.5 |
|
|
|
1 g/l NaCN |
6.8 |
8.7 |
18.2 |
|
67.1 |
93.9 |
98.5 |
5 g/l NaCN |
3.6 |
14.1 |
25.8 |
|
74.2 |
93.7 |
99.2 |
Flotation concentrate, with an assayed gold head
grade of 55.1 g/t, showed high gold recoveries of over 90% by
EnviroLeach in 6 hours. Cyanide provided similar recoveries
in 30 hours. The results are presented in graph 2 and
the following table:
A graph accompanying this announcement is available at
https://www.globenewswire.com/NewsRoom/AttachmentNg/beaf55fe-345c-4d36-ae62-79960bf02058
|
Residue |
Recoveries (%) |
Leach Type |
(g/t Au) |
1hr |
3hr |
6hr |
8hr |
24hr |
30hr |
ETI Med Conc |
7.3 |
57.0 |
77.0 |
90.4 |
|
|
|
ETI High Conc |
5.3 |
82.5 |
88.2 |
93.0 |
|
|
|
1 g/l NaCN |
6.5 |
0.8 |
58.0 |
|
82.1 |
92.9 |
93.5 |
5 g/l NaCN |
5.4 |
28.2 |
63.2 |
|
86.3 |
94.5 |
94.6 |
Ish Grewal, M.A.Sc., P.Eng. and Executive Vice
President of EnviroLeach, states, “I am pleased with the efforts of
our team to advance the performance and chemistry of the
EnviroLeach process to be able to generate results that exceed
those of cyanide by such a large margin.”
About SGS
SGS is the world’s leading inspection,
verification, testing and certification company. It is recognized
as the global benchmark for quality and integrity. With more than
95,000 employees, SGS operates a network of more than 2,400 offices
and laboratories around the world. Forbes ranked the SGS Group as
one of the world’s top multinationals and one of the world’s most
innovative companies. The Dow Jones Sustainability Index has also
recognized the SGS Group for its sustainability processes. In
Canada, SGS employs over 2,000 team members across 70 locations,
serving nine industries.
About EnviroLeach Technologies Inc.
EnviroLeach Technologies is a technology company
that is engaged in the development and commercialization of
environmentally-friendly technologies for the recovery of precious
metals in the mining and E-Waste sectors. Using its proprietary
non-toxic, water-based, and near neutral pH treatment process,
EnviroLeach extracts precious metals from mining ores,
concentrates, and E-Waste using only FDA approved additives at
ambient temperatures.
Backed by a staff of highly experienced
scientists and engineers, and based on years of research, including
independent validations and pilot scale test programs,
EnviroLeach’s technology is poised to become the world standard in
eco-friendly extraction of precious metals in both the conventional
mining and E-Waste sectors. Further information is available on the
EnviroLeach web site: https://enviroleach.com.
Forward-Looking Statements
This News Release contains “forward-looking
information” and “forward-looking statements” within the meaning of
applicable Canadian and United States securities legislation.
Statements contained herein that are not based on historical or
current fact, including without limitation statements containing
the words “anticipates,” “believes,” “may,” “continues,”
“estimates,” “expects,” and “will” and words of similar import,
constitute “forward-looking statements” within the meaning of the
U.S. Private Securities Litigation Reform Act of 1995.
Forward-looking information may include, but is not limited to,
information with respect to our Research and Development
activities, the accuracy of our capital and operating cost
estimates; production and processing estimates; the results, the
adequacy of EnviroLeach’s financial resources and timing of
development of ongoing research and development projects, costs and
timing of future revenues or profits and adequacy of financial
resources. Wherever possible, words such as “plans,” “expects,”
“projects,” “assumes,” “budget,” “strategy,” “scheduled,”
“estimates,” “forecasts,” “anticipates,” “believes,” “intends,”
“targets” and similar expressions or statements that certain
actions, events or results “may,” “could,” “would,” “might” or
“will” be taken, occur or be achieved, or the negative forms of any
of these terms and similar expressions, have been used to identify
forward-looking statements and information. Statements concerning
future revenue or earnings estimates may also be deemed to
constitute forward-looking information. Any statements that express
or involve discussions with respect to predictions, expectations,
beliefs, plans, projections, objectives, assumptions or future
events or performance are not statements of historical fact and may
be forward-looking information. Forward-looking information is
subject to a variety of known and unknown risks, uncertainties and
other factors that could cause actual events or results to differ
from those expressed or implied by the forward-looking information.
Forward-looking information is based on the expectations and
opinions of EnviroLeach’s management on the date the statements are
made. The assumptions used in the preparation of such statements,
although considered reasonable at the time of preparation, may
prove to be imprecise. We do not assume any obligation to update
forward-looking information, whether as a result of new
information, future events or otherwise, other than as required by
applicable law. For the reasons set forth above, prospective
investors should not place undue reliance on forward-looking
information. The CSE has not approved or disapproved of the
information contained herein.
Contact Information:
Todd BeavisEnviroLeach Technologies Inc.
info@EnviroLeach.com
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