过程(计算)
铝
分离(统计)
废物管理
超重力
分离过程
工艺工程
材料科学
冶金
环境科学
工程类
化学工程
计算机科学
物理
粒子物理学
超对称性
机器学习
操作系统
作者
Bolin Sun,Lei Guo,Zhe Wang,Xi Lan,Zhancheng Guo
摘要
Large quantities of chips containing high levels of aluminum are always inevitably produced during machining process of aluminum products, which is a valuable renewable resource. In this paper, an environmental-friendly method for direct and continuous recovery of high-quality recycled Al from waste chips under supergravity-induced was proposed. The oxide-film covering the surface of the molten Al-chips was easily disrupted under super-gravity, and subsequently almost all of Al melt detached from the oxide-film and flowed rapidly through the microporous ceramic foam filter, with a recovery ratio of more than 97%. During this process, all fine oxidized particles and primary Fe-rich particles in melt were captured in the complex channels of filter. In addition, a sustainable process and a continuous centrifugal unit for recycling aluminum chips were designed, the economic and environmental advantages of which demonstrate the feasibility of sustainable regeneration of aluminum chip resources on an industrial scale via supergravity technique.
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