As the only province of 56 ethnic groups in northern China, it is also the birthplace of Confucian culture. Shandong and Shandong people have both the conservative and passion of the inland areas, as well as the openness and open-mindedness of the coastal areas. “Hospitality Shandong†h
Read moreSanjin Dadi is rich in coal resources. It has been people’s dreams for many years to extract synthetic and clear industrial oil from black and black coal. On the 7th, it was learned from Shanxi Luan Group that after several efforts, Shanxi's “coal-to-oil†was no longer a myth
Read moreWhen the unit amount of the flux factor represents the metal or sulfur oxide, a certain desired amount of the oxidizing agent. Different metals and different oxidants have different flux coefficients. The flux coefficients of sulfur and saltpeter are: S + 2NaNO 3 = Na 2 O + 2NO + SO 3 32 2×8
Read moreThe main drainage equipment in the underground should be composed of at least 3 pumps of the same type. The working pump should be able to discharge the normal amount of water in a day and night within 20 hours; in addition to the maintenance pump, the other pumps discharge the maximum amount of wa
Read moreReport Title: Weng'an County of Guizhou Province to produce 5,000 tons of vanadium pentoxide construction project feasibility study report Report format: word Completion time: June 2007 Posted by: Guo Changqing Project leader: Zhou Xiaoqing Writer: Li Tianen, Senior Engineer, General Mana
Read moreWith the development of the national economy, mineral resources have received more and more attention, and mining has been increasing. Mineral processing is facing a situation of poor, fine and miscellaneous raw materials. Complex and difficult copper ore ore is one of them. Due to the high pyrite
Read moreMainly divided into high temperature melt extraction and gas injection carbonization two stages. A tungsten concentrate was extracted Melt (mixture of wolframite concentrates or Scheelite and wolframite concentrate) and the Na 2 Si0 3, NaCl mixed, at 1050 ~ 1100 ℃ melted and the following rea
Read moreIn order to prevent fires and dirty winds at the wellhead, it is forbidden to heat the well air by direct contact with an open flame or a stove, and it is not allowed to use an open flame to roast the pipes that are frozen at the hot wellhead; Used downhole oil, cotton, cloth, felt, and other comb
Read moreI. Background and basis of project nature and feasibility study The project is the use of low grade copper oxide ore mining waste resources of all-Leaching - scrap iron replacement process to obtain copper sponge project. Low-grade refractory copper oxide ore is difficult to mine using convention
Read moreGTT, a specialist in liquefied natural gas (LNG) cargo containment systems, is turning its attention to liquefied petroleum gas (LPG) containment systems.      Philippe Berterottière, Chairman and CEO of GTT, stated, “With the use of GTT's MARS technology, the LPG
Read moreModel NO.: 750 Name: Double Layer Roll Forming Machine Type: Chain Drive
Read moreThe main metal ore minerals limonite ore, a small amount of silver sulfide minerals, trace brass pyrite and gold dispersed nature. The main gangue of quartz, sericite, serpentine and so on. The original ore TFE is 39.87%, silver is 220 g/ton, gold is 0.84 g/ton, and copper is 0.84%. Main mineral
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