Beryllium solution production method, beryllium production method, beryllium hydroxide production method, beryllium oxide production method, solution production device, beryllium production system, and beryllium
This invention has an object to provide a method for producing a beryllium solution, the method being novel and having high energy efficiency. The method (M 10 ) for producing a beryllium solution includes a main heating step (S 13 ) of dielectrically heating an acidic solution containing a starting material so as to generate a beryllium solution, the starting material being beryllium or a substance containing beryllium.
1 . A method for producing a beryllium solution, comprising:
a main heating step of dielectrically heating an acidic solution containing a starting material so as to produce a beryllium solution, the starting material being at least one of beryllium, an intermetallic compound containing beryllium, beryllium having a surface on which an oxidized layer is formed, and an intermetallic compound having a surface on which an oxidized layer is formed and containing beryllium, wherein the method further comprises:
a pre-heating step of dielectrically heating a basic solution containing the starting material, the pre-heating step being carried out before the main heating step.
2 . The method as set forth in claim 1 , further comprising:
a first impurity removing step of removing, with use of an organic compound that adsorbs a first element, the first element from the beryllium solution obtained through the main heating step, the first impurity removing step being carried out after the main heating step.
3 . The method as set forth in claim 2 , wherein
in the first impurity removing step,
the organic compound is dissolved in an organic solvent, and
the beryllium solution is acidic.
4 . The method as set forth in claim 1 , further comprising:
a second impurity removing step of adjusting a polarity of the beryllium solution from acidity to basicity so as to remove a second element from the beryllium solution, the beryllium solution having been obtained through the main heating step, the second impurity removing step being carried out after the main heating step.
5 . The method as set forth in claim 1 , wherein
the main heating step dielectrically heats the acidic solution containing the starting material by applying a microwave to the acidic solution.
6 . The method as set forth in claim 1 , wherein
the beryllium solution is a beryllium chloride solution.
7 . A method for producing beryllium hydroxide, comprising:
each step included in the method recited in claim 1 ; and
a neutralizing step of neutralizing, with a base, the beryllium solution so as to generate beryllium hydroxide.
8 . A method for producing beryllium oxide, comprising:
each step included in the method recited in claim 1 ; and
a third heating step of heating the beryllium solution so as to generate beryllium oxide.
9 . A method for producing beryllium, comprising:
each step included in the method recited in claim 1 ;
an anhydrization step of carrying out anhydrization of the beryllium solution so as to generate beryllium salt; and
an electrolyzing step of carrying out molten salt electrolysis of the beryllium salt so as to generate beryllium.
10 . The method as set forth in claim 9 , wherein
the beryllium solution is a beryllium chloride solution, and
the anhydrization step heats beryllium chloride hydrate contained in the beryllium chloride solution in a vacuum at a temperature of not lower than 80° C. and not higher than 110° C.