The production technology of tungsten oxide mainly includes the following types:
Tungstate method (Ammonium Paratungstate, APT method)
The method is to process tungsten ore through mineral processing, crushing, leaching and other steps to obtain tungstate, and then reduce and calcinate to obtain tungsten oxide.
Ammonium tungstate method (Ammonium Metatungstate, AMT method)
The method is to react tungstate with ammonium salt to obtain ammonium tungstate, and then obtain tungsten oxide through reduction and calcination.
Sodium tungstate method (Sodium Tungstate, ST method)
The method is to react tungstate with sodium salt to obtain sodium tungstate, and then obtain tungsten oxide through reduction and calcination.
Tungsten oxide direct calcination method: This method is to directly calcine tungstate or tungsten powder to obtain tungsten oxide.
These methods have been widely used in industry, and the choice of production technology depends on factors such as the availability of raw materials, production scale, product quality requirements, and production costs. In addition, there are some other production techniques and methods, such as hydrothermal synthesis method, sol-gel method, etc., which are used to prepare tungsten oxide nanomaterials or tungsten oxide products with specific forms.
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