As one of the countries along with One Belt and One road, Malaysia is rich in tin,
tungsten and other mine resources. Among these resources, the reserve of tin is at
the second of
the world. There is not enough mine equipment in Malaysia for current mineral
although with rich mine resources. Therefore, Malaysia is highly depending on import
equipment and the mineral processing market is highly potential. China became the
best choice of
import mine equipment source for Malaysia depending on advantage geography position
At the same time, CNMC Goldmine Holdings Limited (CNMC), as the top mine company in
looking for a strategy cooperation partner to provide professional mine technology
service and high-quality mineral processing equipment for them, depending on the
knowledge of mining producers, as well as the rich market resources and mine
accumulated over the years. They need a partner who can help them extending the
Malaysia mine industry.
The natural ore of this project includes pyrite, quartz, calcite, mica,
etc. The raw
ore has 4.70g/t gold, 4.63g/t silver, 20.10% iron, and 20.55% sulphur in
it. Gold is
available for recovery of valuable elements.
Grinding and classification – cyanidation and leaching – tailings dry
energy-saving grid ball
energy-saving overflow ball mill, updated
leaching agitation tank, XPA
high-lifting wear-resistance rubber slurry pump, filter press, XPA wear-resistance
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The ore characteristic of this project is simple. After mineral
experiment the process flow was determined as raw ore grinding to 85% -200 mesh, lime as
alkali, and add sodium cyanide agitating and leaching. Under the consider that pulp
40%, lime is 7kg/t, and sodium cyanide is 4kg/t, leaching for 24 hours, the final leaching
rate of gold
Grinding stage uses two-block close circuit grinding and classification, grinding production
thickener after screening by dust screen. The underflow is pumped to leaching operation.
leaching, absorption, carbon lifting, get gold carbon product. The gold carbon products are
and dealt in gold desorption plant.
The design and research service of Malaysia CNMC gold processing plant project was
responsible by the
professional project group from Xinhai Mine Design and Research Institute. The
group finished the project experiment and design task in limited time, and defined the
and process index according to the ore samples from clients.
Equipment manufacturing and mine design were at the same time. Xinhai Mining manufactured
purchased relative equipment to short the engineering period and reduce the cost of
The installation and debugging staffs from first line of mine production participated in
the installation and commissioning of project equipment in the whole process, quickly
routine problems in the field civil engineering and installation work, and adjusted the
scheme in real time. Xinhai Mining finished the installation and commission of CNMC
project in high
quality during limited time.
To ensure the successful operation and to reach predicted recovery rate as soon as
technics of Xinhai Mining trained and instructed the workers in processing plant. So
workers could be familiar with the operation of processing plant as soon as
This is the first project under the cooperation between Xinhai Mining and CNMC. According
processing experiment through the sample ore from clients, the process flow and index
after the comparing gravity separation and all-sliming cyanidation technology.
During the construction design, the relevant aboveground part of the bunker, platform,
foundation, pool design was designed into steel structure as far as possible, so that in
site was very flexible assembly, not only reduced the civil work load and construction
reduced investment, but also easy to disassemble and move.
Since May 2017, when Xinhai Mining accepted Malaysia CNMC gold project, it put into
only six months. The origin capacity is 600t/d, but the real capacity is up to 700t/d.
gold recovery rate is 93%, while the real recovery rate is up to 95%, which received a
for this project.
Malaysia CNMC 700t/d gold project has successfully reached the standard and put into
production in a
short period of time, which not only fully reflects the excellent mineral processing
and the overall service advantages of Xinhai technology and mineral processing EPC+M+O
service, but also
wins further recognition for Xinhai Mining. After the project was successfully put into
Xinhai Mining and CNMC became stategy partners and once again joined hands with Malaysia
lead-zinc project, leading the development of dong mineral processing industry in Southeast
Asia to a
new peak. With the "One Belt And One Road" initiative, Xinhai Mining has successfully served
countries along the line, mineral processing EPC services all over the world, in the future,
Mining will also strive to create customized mineral processing EPC+M+O service
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