So far, the world of refractory gold ore oxidation pretreatment method, there are the traditional roasting oxidation, pressure oxidation, biological oxidation, nitric acid oxidation method. The first three methods have successful process practices. However, the conventional roasting oxidation metho
Read TutorialMost of the current molybdenum metallurgical raw material for Fai molybdenum concentrate. The main task of handling Hui molybdenum concentrate molybdenum sulfide is converted to oxide industry, as a raw material steel industry. At the same time, part of the industrial oxide is purified into a pure
Read TutorialWallpaper color pattern dazzling? Afraid of buying quality wallpaper? Shanghai Bimei wallpaper gives you tricks to pick wallpapers to learn. Pick the right wallpaper color Consumers often complain that after the wallpaper is attached to the TV background wall, the eyes often suffer from soreness a
Read TutorialRed iron ore is the most common, and it is made for the biggest ball of iron ore in the iron-containing materials. Due to its different genesis, hematite has coarse-grained, meso-crystalline structures (such as specularite), fine-grained or earthy (such as earthy hematite). Its chemical formula is
Read TutorialAccording to reports in Montreal, Canada Thermfact company and the company's Ecole Polytechnique researchers used thermodynamic research methods, Zuliani Process to extract magnesium metal from dolomite in the genus were evaluated. Thermfact is a co-developer of the FactSage Integrated Thermodyn
Read TutorialSoft manganese ore is not dissolved in sulfuric acid, it must be reduced to a manganese oxide (of MnO), and sulfuric acid can be prepared by the reaction of manganese sulfate. Therefore, the reduction effect of pyrolusite will directly determine the utilization rate of manganese in the whole process
Read TutorialThe flotation machine is the abbreviation of the floating concentrator and is the machine for making the flotation flotation. It is mainly used to select non-ferrous metals such as copper , zinc , lead , nickel and gold , and can also be used for rough selection and selection of non-metals such as
Read TutorialFrench tire manufacturer Michelin has announced its 2011 sales and profit growth. Michelin sales in 2011 were 20.719 billion euros (27.45 billion US dollars), sales in 2010 was 17.891 billion euros (23.70 billion US dollars); operating profit in 2011 was 1.945 billion euros (2.6 billion US
Read TutorialAt present, more and more LED displays have entered the interior, especially large-scale hotels and conference rooms and large supermarkets have been favored by advertisers. What are the requirements for large-scale hotels to use indoor full-color screens? In the indoor environment, large full-co
Read TutorialThe Chinese rubber industry has entered the international market and trade protection is a frequent problem. Witness Yu Qingxi, a witness of the development of China's rubber industry and a deputy director of the Department of Rubber Industry of the former Ministry of Chemical Industry, said
Read TutorialWays to reduce ore dressing costs or products are: 1. Saving raw material, fuel and power consumption is one of the main ways to reduce the cost of mineral processing. In the composition of mineral processing costs, the proportion of materials, fuel and power consumption is very prominent, about 7
Read TutorialAbstract: Reverse transcriptase-PCR experiments suggest that the two clusters of genes potentially involved in the oxidation of reduced sulfur compounds are organized as operons in strain of the acidophilic, chemolithoautotrophic bacterium Acidithiobacillus ferrooxidans ATCC 23270, the two clusters
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