PROCESS DESIGN
PARIS
23 - 28 APRIL 2018
INTERNATIONAL EXHIBITION
FOR CONSTRUCTION
AND INFRASTRUCTURE
Cobalt bloom visible in first level adit of CSR’s Castle mine near
Gowganda, Ontario. Work on lithium, cobalt and graphite processes is a
major part of the activity currently at SGS Lakefield in Canada
the chute, it was subjected to high rates of wear, causing a reduction in
performance. Various designs and options were examined to improve ease
of maintenance and thus reduce downtime.
“Searching for a design that improved maintainability, we implemented
new, modular design upgrades to the chute, so that it could receive
maintenance section by section. Thus, when a specific part shows signs of
wear, we can disassemble that part and change it quickly. This is also an
improvement that was tailored for the client, given that with the original
design we had to disassemble the entire equipment to be able to change
some parts,” says Alejandro Bravo, Metso Manager of Minerals Process
Equipment.
Given the success of the project, Minera Doña Inés de Collahuasi SCM is
evaluating the implementation of the same upgrade concept in other VPA
filters as part of its asset management plan. “With this solution, we have
been able to meet some of the availability goals we set for 2017. The filter
today works according to the plans drawn up with Metso, which helps us to
continue operating efficiently,” says Cristián Barros, Senior Engineer for
Symptomatic Process at Collahuasi.
BUILDING
TOMORROW,
TODAY
SGS busy with battery minerals at Lakefield
Castle Silver Resources Inc recently announced that ongoing underground
sampling has returned high-grade cobalt from additional areas on the first
level of the Castle mine near Gowganda, Ontario. Areas prospective for
cobalt mineralisation were recently highlighted through XRF analysis of the
extensive first level workings at Castle. Current sampling is designed to gain
a better understanding of the grade intensity and distribution in order to
prioritise underground drill targets.
Frank Basa, CSR President and CEO, stated: “The cobalt grades we’re
encountering underground are extremely encouraging and supports our
original thesis that past operators may have left much behind at Castle in
their strict focus on mining high-grade silver. At a time when Cobalt prices
are at new decade highs, CSR’s access to extensive underground workings
at the Castle mine puts the company in a unique position in the northern
Ontario cobalt region.”
Bulk samples were obtained by removing muck rock from the floor of the
drift and chipping out vein material over two lengths of 10 m, each filling a 5
gallon pail with approximately 20 kg of material. A single composite sample
was taken by randomly selecting approximately 2 kg from each of the bulk
samples. Samples were transported by truck to Swastika Laboratories, an
accredited lab, in Swastika, Ontario for assay with analysis by aqua regia
digestion and atomic absorption finish. The remainder of that material will
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