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研究了在少量氧化剂存在下，以磷酸为浸出介质，将含钴量较低的废旧硬质合金解体分离并予以分步回收的可行性。经实验建立了一条较合理的回收再利用工艺流程和生产线。
In the presence of a small amount of oxidant, the feasibility of using phosphoric acid as the leaching medium and disassembling and recycling scrap carbide with low cobalt content was studied. After the experiment established a more reasonable recovery and reuse process and production lines.