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Tungsten waste is a kind of secondary tungsten resource, and its recycling has high economic value. In the 1980s, major foreign tungsten consumers, such as the United States, Japan and Federal Germany, attach great importance to the recycling of tungsten waste and set up special recycling institutions. Each year, the tungsten recovered from waste tungsten materials in these countries accounts for 25%-30% of the tungsten used in the production of cemented carbide.
Because there are many kinds of molybdenum-containing waste and different regeneration methods, the common regeneration methods of molybdenum include sublimation method, zinc melting method and alkali leaching method, etc. The recovery rate of molybdenum is 96-98%.
Tungsten carbide (WC) is a refractory metal carbide and an important component of cemented carbide. WC can be dissolved in a variety of refractory carbides, especially in titanium carbide (TiC), the solubility of the TIC-WC solid solution formed is an important component of WC-TIC-Co alloy.
We provide tungsten carbide scrap, molybdenum scrap and tungsten scrap for sale. Contact us now!
The company developed a from new process containing tungsten waste recycling hook. The technological process is: first of all, cooking with sodium hydroxide solution containing tungsten waste, generated, sodium tungstate solution crystallization of sodium tungstate crystals: then dissolved circulating in the mother liquor of sodium tungstate crystals, regenerate sodium tungstate solution: using organic solvent extraction of tungsten, purified ammonium tungstate, evaporation formation.
There are many kinds of molybdenum-containing waste and different regeneration methods. The common regeneration methods of molybdenum include sublimation method, zinc melting method and alkali leaching method, etc. The recovery rate of molybdenum is 96-98%.
At present, some factory for the processing of waste WC by combustion method, namely on the waste in the WC in the fire, make its slow after oxidation WO3, as raw materials to produce WO3,the technological process of the reproduction; Also have as accelerant into alloy scrap is treated recycling in reverberatory furnace.
HSG Metal, as a professional metal scrap manufacturer, has different types of metal scraps for sale, including tungsten scrap, tungsten carbide scrap and molybdenum scrap. If you are interested in our products. Please feel free to contact us!
The recycling of secondary resources of tungsten, that is, the recycling and reuse of solid wastes and consumer end wastes in the process of tungsten production, such as used hard alloys, tungsten materials, alloy steels, tungsten contact materials and chemical catalysts, accounts for about 24% of the global tungsten supply.
The recovered molybdenum can be used to produce industrial molybdenum oxide, ferric molybdenum, ammonium molybdate and other molybdate salts. The recovery of waste molybdenum, especially molybdenum obtained from waste catalyst, plays an important role in molybdenum production, which is known as the three major sources of molybdenum supply (the first source is by-product molybdenum, the second source is mainly molybdenum production).
At present, tungsten carbide waste and some special steel waste with high tungsten content are the main materials in tungsten recovery and utilization industry. In Western Europe, tungsten carbide waste has become increasingly important. The content of tungsten in sintered carbonized tungsten is often higher than 90%.
