Electrolytic,manganese,metal,1 business, insurance Electrolytic manganese metal
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In 1771, the Swedish chemist firstdiscovered in the identification of pyrolusite manganese, in 1774 chemist thefirst time isolated in pyrolusite, in 1856 the UK for the first time use in steelmakingand prepared manganese steel, in 1851 be translated as "manganese" andintroduced into China by Chinese chemist. Manganese is a higher abundances ofelement, the content in the Earth's crust is up to 0.1%, naturally form hassoft manganese (MnO2), hard manganese [(BaH2O) 2MnO10], Manganese Carbonate(MnCO3), silicate, manganese (MnO SiO2), manganese sulfide (MnS, MnS2), andother a variety of categories. In recent years, large amounts of manganese, manganesenodules found in the deep ocean seabed will become the main future manganeseresources for human.The major methods of manganese metalrefining has thermal method (fire assay) and electrolysis (wet), the purity ofthe thermal production (metal manganese) is no more than 95% to 98%, puremanganese metal by Electrolytic preparation (EMM), its purity is 99.7 to 99.9%.Electrolytic production has become the main form of manganese metal production.Use electrolytic process to produce manganesemetal production the appearance of manganese metal is like iron, irregularflaky, hard and brittle side shiny and other side rough, silver-white to brown,after processed into powder is silver gray; easily oxidized in the air, in thecase of dilute acid can dissolved and the replace of hydrogen, slightly aboveroom temperature, can degrade into waterand release hydrogen.The direct use of the manganese powderitself is rare, but its alloys and compounds are very important. Manganese andmanganese alloy is one of the indispensable important raw materials for ironand steel industry, aluminum industry, magnetic materials industry, chemicalindustry. With the continuous development of science and technology and thecontinuous improvement of the level of productivity, Electrolytic manganesemetal, due to its high purity, low impurity characteristics, is now successfuland widely used in iron and steel smelting, non-ferrous metallurgy,electronics, chemical industry, environmental protection, food hygiene, weldingindustry and other fields, especially in recent years, the production ofstainless steel use manganese to instead of nickel technology greatly increased,the demand for electrolytic manganese metal is increasing every year, at thesame time, also stimulate the production has gradually increased, manganese andmanganese alloy industry proportionally also developing with the industrialdeveloping.Electrolytic manganese metal production hasthe characteristics of complex process, many processes, process technologyindicators is not easy to control, belonging to high pollution, high energyconsumption, labor-intensive resource industries. Electrolytic manganese metal isextremely versatile used in iron and steel, alloy, chemical industry and so on.Products have including electrolytic manganese piece, electrolytic manganese ingotand electrolytic manganese powder, the manganese piece is white flaky solidsilver, manganese is a silver-gray powder. Manganese content above 99.7%,particle size is according to customers requirements. The manganese powder inthe metallurgical industry is one of the most important metal powders.Manganese in powder metallurgy production has large amount, its consumptionaccounts for about 40% of the total consumption of the metal powder.Source:http://www.mhcmp.com
Electrolytic,manganese,metal,1