COMMERCIAL CROP YIELDS REVEAL STRENGTHS AND WEAKNESSES FOR ORGANIC AGRICULTURE IN THE UNITED STATES.




Development of Recycling Process for Copper-Gallium Target

Gallium is used as a raw material for a CIGS solar cell.In the manufacturing process Galaxy S20+ of CIGS solar cells, only 30% of the target material is used, and the rest is not used and becomes a spent target scrap.In order to recover gallium from spent target scrap, we investigated the process composed of hydrometallurgical treatment only which

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