Rare earth solution preparation process capable of quickly and efficiently removing acid

Abstract

The invention discloses a rare earth solution preparation process capable of quickly and efficiently removing acid. The preparation process comprises the following steps: drying and crushing, grinding, dissolving and stirring, stabilizing the solution, carrying out microwave digestion and carrying out double-layer acid removal. According to the rare earth solution preparation process capable of rapidly and efficiently removing acid, rare earth mineral powder is prepared through the processes of drying, crushing and grinding, after the rare earth mineral powder is dissolved through strong acidand stabilized through a metallic soap stabilizer, part of dissolved sample acid is removed through sulfuric acid or perchloric acid by heating, and then residual acid removing is conducted through atemperature-controlled acid removing instrument; with application of the process, the sample dissolving acid in the rare earth solution can be quickly removed, the residue of the sample dissolving acid is effectively reduced, the time of the preparation process flow is shortened, the acid driving efficiency and the preparation efficiency of the rare earth solution are improved and the process is worthy of popularization.

Description

technical field [0001] The invention relates to the field of rare earth technology, in particular to a rare earth solution preparation process capable of quickly and efficiently removing acid. Background technique [0002] Rare Earth (Rare Earth) is the general term for seventeen metal elements including lanthanides, scandium and yttrium in the chemical periodic table. There are 250 kinds of rare earth ores in nature; the earliest rare earth was discovered by Finnish chemist John Gadolin ; In 1794, the first rare earth "element" (yttrium earth, or Y2O3) was isolated from a heavy ore shaped like asphalt. Because there were few rare earth minerals discovered in the 18th century, only a small amount of insoluble Oxides of water, this kind of oxides are customarily called "earth" in history, hence the name rare earth, rare earth can be formulated into rare earth solution for use in the chemical industry, in order to prevent the strong corrosion of rare earth solution, in The pr...

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Problems solved by technology

[0002] Rare Earth (Rare Earth) is the general term for seventeen metal elements including lanthanides, scandium and yttrium in the chemical periodic table. There are 250 kinds of rare earth ores in nature; the earliest rare earth was discovered by Finnish chemist John Gadolin ; In 1794, the first rare earth "element" (yttrium earth, or Y2O3) was isolated from a heavy ore shaped like asphalt. Because there were few rare earth minerals discovered in the 18th century, only a small amount of insoluble Oxides of water, this kind of oxides are customarily called "earth" in history, hence the name rare earth, rare earth can be formulated into rare earth solution for use in the chemical industry, in order to prevent the strong corrosion of rare earth solution, in The preparation of the rare earth solution requires acid removal treatment, but the efficiency of the traditional rare earth solution is poor in the preparation of the acid, and there are more residues after the acid removal, and the preparation process is longer, resulting in low efficiency of the preparation of the rare earth solution; therefore, we Propose a preparation process of rare earth solution that can quickly and efficiently catch acid