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...
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...
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...
Marketing Opportunities and Rick Treatment of Worldwide Ceme
1970-01-01
一． Marketing Opportunities of worldwide cement industry
As building industry of lots developed countries is not good for a long time, so this forms a comparative market for worldwide cement and its producing equipment in last 20 years. But since the beginning of 21st centuries, America, Indian, Vietnamese cement industries together with Middle East increased very fast leading by Chinese growing on Cement Industry and this formed an rapid development situation. And new dry process Cement which grows from small, large to strong through over 30 years. Worldwide cement consumption increased...
Analysis of Cement Production in Central Asian Countries
1970-01-01
Analysis of Cement Production in Central Asian Countries
General Situation of Cement Production in the world
At present, the cement output of the world is increasing as 4-6% each year. As statistics, the cement output of the world is 250 million ton. Main producing area: China (44% of the general output), EU (10%), India (6.2), America (4%), Japan (2.7%), Russia (2.2%).
According to the forecasting, general output of the world in 2010 will reach 300 million tons, annual increasing ratio will be 4.7%, and calculate as the comparable worth, in 2010, worldwide cement value...
The Last Two Shaft Kilns been Dismantled in Xialu Town
1970-01-01
At 4 o’clock pm on October 30th, in the Huangshi seventh cement factory which locates in Laohemiao village in Xialu town in Hubei Hungshi, the operator closed the feeding valve, and the burning furnace fire gradually been put out.
At 9:16 in the morning, in the Daye nonferrous metal cement factory, after the air discharging equipment in the motor room has been cut off and fall down to the ground, there is a cloud of dust been arisen. Under the shaft kiln, some workers were dismantling the base parts of the kiln with impact drill some have been washing and classify the dismantl...