In China, the full development of high-speed railway construction, led to the rapid development of many related industry chain, the mining machinery equipment factory is a exciting news. Because now the forbidden by the policy of river sand, sand and gravel aggregate used in the high-speed rail should be supported by artificial sand, high quality…
On May 12-13 this year, the South African International Energy Week exhibition of a new energy once again raised concern, as the African country and the first power of the most economically developed countries, the more developed South Africa’s power industry, power generation accounts for the whole of Africa 60% of South Africa’s electricity Union…
Coal gangue is a solid waste produced in coal production and processing as well as one of the most quantity solid waste ejected. So far the coal gangue has piled and excess more than 4 billion ton with more than 0.1 billion ton/year increasing.