Vietnam carat graphite mine, located in Lào Cai Province, is an EPC project with 800t/d capacity achieved by Xinhai in 2014. In the early stage, Xinhai conducted a comprehensive cost & profit evaluation on carat graphite mine in terms of Market requirement, Resource condition, External condition, Product program, Construction scale, Capital investment, construction effect. The result showed a good ore beneficiablity and the mine unit earning can reach USD 180/T. The client got a basic understanding of mine investment scale and earning condition.
Xinhai research institute performed a series of tests including raw ore multi-element analysis, ore sample screen analysis, raw ore density measurement, ore grinding test, regime of agent test, scheme test and concentrate screen analysis formulated a detailed Test Report on Feasibility Research and determined the technological process including 9-stage grinding: 1-stage roughing, 2-stage scavenging and 10-stage concentration with 14.2% productivity, 92.30% fixed carbon content and 87.91% recovery based the ore properties of high grade and small scale.
The whole mineral processing plant was composed of crushing and screen workshop, grinding & classifying working workshop, flotation workshop and concentrate dewater workshop.
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