Beneficiation plant to be regular and irregular status of the production process, technical conditions, technical specifications, equipment performance and working conditions, the nature of the raw materials, metal.......
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The methods of extinguishing internal fires can be divided into four categories: direct fire extinguishing, insulated fire extinguishing, combined fire fighting and pressure equalizing fire extinguishing.
The direct fire extinguishin.......
China's mining activities mainly refer to three parts: ore mining, mineral processing and smelting. There are many types of ecological problems and damages caused by mining activities (Table 1). For example, direct damage to the land by mi.......
1, a semiconductor material activated copper-nickel plating technology 2, 3 Pickling copper at room temperature, multilayer copper wiring global chemical mechanical planarization polishing liquid 4 ULSI, VLSI m.......
For gold deposits, the industrial type of the deposit is called according to its industrial use value and practical significance, especially the industrial type classified according to the characteristics of the ore processing technology such .......
A method of eliminating hematite structure and thermodynamic stability of a principle of natural hematite iron hematite (Fe 2 0 3) 70% iron, sometimes containing titanium and .......
The face of scrap per ton of steel consumption decreased year by year, iron ore consumption of substantial growth situation, China scrap iron and steel applications Association asserted that the future will be gradually replaced by e.......
Guangxi Hechi, which had suffered serious heavy metal pollution, managed to establish a complete soil remediation industrial chain through the implementation of a system of accountability so that once-irrigated cultivated land was abandoned, One of the pilot areas for comprehensi.......
The prevention and control of mine environmental problems mainly include: prevention and control of “three wastes†(waste water, waste gas, waste residue), mine land reclamation and ground subsidence (collapse) in goaf, mudslide, karst collapse and other disaster .......