Ammonium metatungstate plays an important role in the process of making metallic tungsten, which is mainly reflected in the following aspects:
Important raw materials
Ammonium metatungstate is an important compound product in the tungsten smelting process and one of the important raw materials for making metallic tungsten. Through specific chemical reactions and process treatments, ammonium metatungstate can be converted into metallic tungsten.
Wide range of uses
Ammonium metatungstate has a wide range of uses. In addition to being used to make metallic tungsten, it can also be used as a raw material for catalysts, capacitors, nuclear shielding, flame retardants, and corrosion reducers. At the same time, it is also an excellent raw material for making ultrafine tungsten powder, high-density alloy tungsten powder, phosphotungstic acid, arsenic tungstic acid, silicotungstic acid and other tungsten compounds.
Catalyst carrier
High-purity ammonium metatungstate is one of the tungsten-based catalysts, and its active ingredient tungsten trioxide (WO3) is often used as a catalyst carrier. In the petroleum processing industry, the research, development and application of high-purity ammonium metatungstate are directly promoted because it plays a key role in improving the performance and efficiency of catalysts.
Intermediate products of production process
Ammonium metatungstate can appear as an intermediate product in the smelting process of tungsten. For example, before the reduction stage, after the tungsten concentrate is roasted, sodium tungstate can be converted into ammonium metatungstate, and then metallic tungsten can be obtained through reduction reaction.
In summary, ammonium metatungstate plays an important role as a raw material in the process of making metallic tungsten. It can not only be directly converted into metallic tungsten, but also be used as a catalyst carrier and a raw material for producing other tungsten compounds. At the same time, it is also one of the key intermediate products in the tungsten smelting process.
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