Canada Carbon Inc. : SGS PILOT-SCALE FLOTATION DELIVERS GREATER THAN 99.0% C(t) PURITY BY GDMS FOR PARTICLE SIZES LARGER THA...
October 03 2014 - 8:51AM
October
3rd , 2014,
Vancouver, BC, Canada - Canada Carbon Inc. (the "Company") (TSX-V:
CCB) (FRankfurt:U7N1)
provides a further update on the preliminary results of its
pilot-scale flotation processing at SGS Canada Inc. ("SGS") of
graphitic material from its 100% owned Miller graphite
property.
As previously reported in the
Company's press release of September 24th, 2014,
mechanical and metallurgical commissioning of the 500 kilograms per
hour ("kg/h") flotation pilot plant at the SGS Lakefield site
commenced on September 8th, 2014.
During this commissioning period, process grab samples were
collected intermittently to facilitate the optimization of the
metallurgical performance. Initial results reported on September
24th, 2014 were
from the first phase ("Phase 1") of pilot plant commissioning,
which confirmed that a high-purity large-flake product was being
collected. In the second phase ("Phase 2") of commissioning,
adjustments to the operating conditions of the pilot plant were
made to optimize the purity of all graphite particle sizes. The
results from Phase 2 are reported below.
In Phase 2, the full suite of +200
mesh (75 microns) size fractions of a 30 minute concentrate
composite, which was collected during steady circuit operation,
were submitted for GDMS analysis by Evans Analytical in Syracuse,
NY. The results of both the total carbon analysis by Leco and GDMS
analyses are presented in the table below, which confirm that the
very high graphite concentrate grades obtained with the 50 kg bulk
sample can be replicated on a pilot plant scale processing 500
kg/h. The bench-scale grades reported below were obtained during
the 7th and final
laboratory scale flotation trial conducted by SGS on the 50 kg bulk
sample.
Grades of
Bench-Scale and Pilot Plant-Scale Flotation Concentrate
Fractions
Size Fraction |
Bench-Scale
% C(t) by Leco1 |
Pilot Plant
% C(t) by Leco1 |
Pilot Plant
% C(t) by GDMS2 |
Equivalent Boron Content
(ppm)3 |
+32 mesh |
100 |
99.7 |
99.74 |
2.18 |
+48 mesh |
99.6 |
98.3 |
99.73 |
1.21 |
+65 mesh |
99.5 |
100 |
99.70 |
1.52 |
+80 mesh |
97.9 |
97.6 |
99.63 |
1.56 |
+100 mesh |
98.4 |
100 |
99.63 |
1.37 |
+150 mesh |
97.4 |
97.9 |
99.52 |
2.41 |
+200 mesh |
98.1 |
97.8 |
99.38 |
1.51 |
1All reported
analytical results have an associated measurement uncertainty based
on the expected precision and accuracy relating to the method and
sample concentration. Values at 100% should not be treated as pure
products without additional impurity testing. The chemical analysis
used to determine the total carbon content employs combustion of a
sample followed by infrared detection on a LECO SC-632
instrument. The estimated measurement uncertainty for total
carbon values greater than 50% C(t) is 1.4% (relative) with a
resolution of 1 significant figure. For example, a reported assay
value of 99.0% C(t) could therefore range between 97.6% and 100%
C(t).
2 Purity C(t) %
was calculated as "100% minus (sum of all impurity concentrations
(%))". In those instances in which the GD-MS assay reported an
element concentration as being below the detection limit for this
method, the detection limit concentration was used in the
calculation of total impurity content. For example, in all assays,
Cadmium was reported as "<1 ppm" concentration, by weight. For
the purposes of the purity calculation, Cadmium = 1ppm was used, as
it is the most conservative approach to interpreting the data.
Therefore, the calculated graphite purity values reported here are
the minimum possible values which can be derived from the data. The
following elements were included as their respective oxides in the
impurity analysis calculations to take into account their natural
form as oxide minerals within the graphite concentrate - Si, Al,
Ti, Fe, Mn, Mg, Ca, Na, K, and P.
3Equivalent
Boron Content (EBC), expressed as parts per million (by weight) was
calculated according to ASTM C1233-09. 'Nuclear graphite' threshold
is 5 ppm, by international agreement.
As was the case with the Phase 1
results reported on September 24th, 2014, these
Phase 2 results were obtained using flotation alone. No
additional chemical processing, leaching, baking or other thermal
techniques were employed. Additionally, all size fractions exceeded
nuclear purity threshold as defined by EBC.
Executive Chairman and CEO Mr. R.
Bruce Duncan stated, "Based on our research, these preliminary
results from SGS Canada's pilot-scale operation covering seven size
fractions are unparalleled within the natural graphite industry. We
have successfully transitioned from processing kilograms of
graphite at one time, to now processing it by the tonne." Mr.
Duncan further states, "Over 100 years ago, the Grenville (now
known as Miller) graphite was exhibited at the Paris and Glasgow
World Expositions, where it was awarded First Prize. These latest
testing results indicate that the Miller graphite has maintained
its position of superiority."
The bulk sample currently being
processed includes material from all known significant surface
exposures of graphite. All graphite samples were selected under the
guidance of Mr. Oliver Peters. Mr. Peters conducted a site
visit to the Miller project in August 2014, to observe the graphite
mineralization, and to consult directly with Canada Carbon's field
geological team with respect to bulk sample material selection
criteria. (see September 24th, 2014 press
release)
Qualified
Person
Mr. Oliver Peters, M.Sc., P.Eng,
MBA, (Consulting Metallurgist for SGS and Principal Metallurgist of
Metpro Management Inc.) is an Independent Qualified Person under
National Instrument 43-101, and has reviewed and approved the
technical information provided in this news release.
On Behalf of the Board of Directors
CANADA CARBON
INC.
"R. Bruce Duncan"
CEO and Director
Contact
Information
E-mail inquiries:
info@canadacarbon.com
P: (604) 638-0971
F: (604) 638-0973
"Neither TSX Venture Exchange
nor its Regulation Services Provider (as that term is defined in
the policies of the TSX Venture Exchange) accepts responsibility
for the adequacy or accuracy of this release."
FORWARD
LOOKING STATEMENTS: This news release
contains forward-looking statements, which relate to future events
or future performance and reflect management's current expectations
and assumptions. Such forward-looking statements reflect
management's current beliefs and are based on assumptions made by
and information currently available to the Company. Investors are
cautioned that these forward looking statements are neither
promises nor guarantees, and are subject to risks and uncertainties
that may cause future results to differ materially from those
expected. These forward-looking statements are made as of the date
hereof and, except as required under applicable securities
legislation, the Company does not assume any obligation to update
or revise them to reflect new events or circumstances. All of the
forward-looking statements made in this press release are qualified
by these cautionary statements and by those made in our filings
with SEDAR in Canada (available at www.sedar.com).
Suite 605 -1166 Alberni
Street
Vancouver, BC, V6E 3Z3
P: (604) 638-0971 F: (604)
638-0973
Email: info@canadacarbon.com
Web: www.canadacarbon.com
|
This
announcement is distributed by NASDAQ OMX Corporate Solutions on
behalf of NASDAQ OMX Corporate Solutions clients.
The issuer of this announcement warrants that they are solely
responsible for the content, accuracy and originality of the
information contained therein.
Source: Canada Carbon Inc. via Globenewswire
HUG#1860589
Chase Cap Viii 8.25 (NYSE:CCB)
Historical Stock Chart
From Aug 2024 to Sep 2024
Chase Cap Viii 8.25 (NYSE:CCB)
Historical Stock Chart
From Sep 2023 to Sep 2024