Tungsten Carbide Cutting Tools Saltpeter Method

Tungsten resources in tungsten ore belongs to non-renewable resources, and tungsten resources in tungsten carbide cutting tools material belongs to the secondary resources and renewable resources. As tungsten resource supply increasingly tense, people used the resources of tungsten carbide cutting tools increasingly strong awareness of recycling. Tungsten carbide cutting tools saltpeter method is an important method of recycling tungsten resources in tungsten carbide cutting tools.

Steps of tungsten carbide cutting tools saltpeter method are mainly as follows: the waste and saltpeter placed 900-1200 ° C melted, and then flooding tungsten Na2WO4 form into the solution. Then according to the general method of preparation of WO3 or APT from the solution, cobalt remain in the leached recovered.

Advantages of tungsten carbide cutting tools saltpeter method are wide adaptability, low investment costs, fast response. Disadvantages of tungsten carbide cutting tools saltpeter method are long process, low recovery rate, environment pollution.

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