Method for Dissolving Ammonium Paratungstate and/or Tungsten Oxide

The invention relates to a method for dissolving ammonium paratungstate and/or tungsten oxide.

The method for dissolving the ammonium paratungstate and/or the tungsten oxide comprises the following steps:

(1) Mixing the ammonium paratungstate and/or the tungsten oxide with ammonia water to obtain a mixture;

(2) Stirring and heating the obtained mixture so as to completely dissolve the ammonium paratungstate and/or the tungsten oxide and obtain the solution containing ammonium tungstate.

By the method, unqualified products generated in the tungsten smelting process can be recycled with low cost, the basis is provided for research and development of a new tungsten smelting technology and new products, and the method is short in process flow, high in efficiency and simple in equipment and operation.




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