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Article | REF: M2369 V1

Gallium metallurgy

Authors: Pierre BLAZY, El-Aïd JDID

Publication date: March 10, 2011

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8. Recycling gallium from GaAs scraps

In the case of gallium arsenide manufacturing scraps, nitric solutioning is more effective than hydrochloric and sulfuric solutioning. In HNO 3 2 N medium and at a temperature of 60°C, the dissolution rate reaches 99% after 2 hours. .

Sumitomo Metal Co. (Japan) has developed a chloride refining process to treat these scraps. ....

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Recycling gallium from GaAs scraps
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