| 标题 |
 Closed-loop recovery of molybdenum and value-added reuse of tungsten from alloy waste in additive manufacturing 添加剂制造中钼的闭环回收和钨的增值再利用
相关领域
浸出（土壤学）
烘烤
钼
材料科学
重新使用
钨
冶金
废物管理
合金
核化学
化学
环境科学
土壤科学
工程类
土壤水分
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| 网址 | |
| DOI |
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| 其它 | 摘要：As metal additive manufacturing (MAM) technology is booming in the aerospace sector, alternatives to the traditional production methods of metals such as mining, processing, and refining with severe emissions are urgently needed. This study proposed a closed-loop route for efficient recovery of molybdenum (Mo) and value-added reuse of tungsten (W) from Cr–Co–Ni–Mo–W alloy waste in MAM. The results showed that the leaching efficiency of Mo and W reached 99.3% and 99.9%, respectively, using the dual chemical-physical means of mixed-alkali roasting and leaching by microwave heating, while the discharge of waste liquor containing Cr6+ was reduced. Leaching kinetic studies revealed that the metal leaching process was controlled by chemical reaction mechanism. Moreover, the 10%N1923 (primary amine)–5%TRPO |
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