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Distribution & exploration of laterite-nickel ore resources
1970-01-01
At present, explored nickel storage of the world is about 160 million tons, while 30% of this is sulfide ore and about 70% is laterite-nickel ore. Sulfide nickel and laterite-nickel is produced in the same ultramafic rock zone, but it is different from the copper ore deposit which has copper sulphide ore under the abundant cooper ore. As the quality of sulfide nickel resources is good and the process is mature, about 60% of nickel is produced from nickel sulphide ore, however as long-term exploration and no important breakup on the new resources exploration of sulfide nickel ore in recent 20 years, thus...
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The Advantages of Roller Mill Combined Grinding
1970-01-01
roller press/roller mill/grinding equipment/CKP pre-grinding/cement vertical mill/slag vertical mill/coal vertical mill/Jiangsu Pengfei Group Co., Ltd
Abstract: In recent years, complying with the shoreline hardening process and production process and gradual updating on technology of process control, cement grinding process and equipments is mainly based on ball mill, combined with high efficient vertical mill, roller mill, etc. multi-types new grinding equipment and this is the process combination of these equipments, meanwhile it is facing to upsizing of grinding equipment and the technology of process...
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Large-scale White Cement Production Line Process
1970-01-01
We have set up the largest white cement production line with most complicated process flow – Anqing White Cement Plant which has two old small white cement production lines and the total annual capacity is 120,000ton white cement, meanwhile Denmark Maierbo Portland Group purchased and then set up Aalborg Portland (Anqing) Co., Ltd in Nov. of 2004. This company signed the turnkey contract with Tianjin Cement Industrial Design Institute Co., Ltd in Apr. of 2008 to set up a new modern white cement production line whose max. capacity could reach 465,000ton white cement clinker and 600,000ton white cement. The a...
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Wet process refining developing technology of laterite-nicke
1970-01-01
Abstract: Complying with the reduction of resources of nickel sulfide ore, it’s really urgent to high efficiently develop the laterite-nickel ore which occupies 72% of worldwide nickel resources. This article introduces the characteristics of worldwide laterite-nickel ore resources & domestic developing situation and expounds traditional wet process production process & progress. Atmospheric pressure leaching & bacterial leaching, etc. new leaching process has the characteristics of simple process, low consumption, easy to control the operation and low investment, etc, they will have very...
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Production and demand of worldwide mining machinery is trans
1970-01-01
Except Chinese market, worldwide top 10 mining machinery manufacturer occupied about 85% market quota and the control power is fasten to few enterprises. The demand for the large infrastructure construction of China is a main promoting factor among this. During 2008-2009, sales quantities of mining machinery in Chinese market exceeding that of North America, become the most in the world, in 2010, total output of Chinese mining machinery in China may reach 50% of that in the world.
In England, total sales amount for lessor occupying 75% of total sales amount of English mining machinery, while it is 60% in North Am...
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Nigeria – Worldwide Largest Cement Importing Country
1970-01-01
Ministry of Industry and Commerce in Nigeria declared Nigeria is the worldwide largest cement importing country, whose annual demand of cement is about 19 million tons, but its local producing capacity is about 9.6 million tons, so rest 10million tons should be imported from foreign countries. In order to reverse the tide, the government of Nigeria has released some policies which encourages local manufacturers to invest on cement production, as the government of Nigeria expect they could implement self-balancing until 2013.
Mohammed -the minister of the Ministry of Industry on trade and investment held a meeting...
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