Pravas Ranjan Behera , Rifat Farzana , Veena Sahajwalla
{"title":"通过联合回收废旧镍氢电池和废旧碳粉生产镍铁合金","authors":"Pravas Ranjan Behera , Rifat Farzana , Veena Sahajwalla","doi":"10.1016/j.susmat.2024.e01175","DOIUrl":null,"url":null,"abstract":"<div><div>This paper elucidates a novel and sustainable way of bringing two major sub e-waste streams (waste electrodes of Ni-MH battery and waste toner powder) together to manufacture Ni<img>Fe alloy. Reduction of oxides (present in the Ni-MH battery electrode) with carbon sourced from waste toner was performed at 1550 °C which observed the formation of Ni<img>Fe alloy as reaction proceeded to 1 h. Percentages of waste toner in the 2 g feed material containing waste electrode mass was varied to study the metal/slag formation and separation alike. The product and slag phases were both analysed by X-ray powder diffraction, Scanning electron microscopy, Energy dispersive x-ray spectroscopy, Laser induced breakdown spectrometer to confirm the formation and metallic composition of the Ni<img>Fe alloy (>75 % Ni and > 14 % Fe) and the mixture of rare earth oxides present in the slag phase. In addition to manufacturing the metallic alloy, which evinces a possibility of being used as a feedstock in industrial applications, this innovative recycling technique also brings down the burden on landfills.</div></div>","PeriodicalId":22097,"journal":{"name":"Sustainable Materials and Technologies","volume":"42 ","pages":"Article e01175"},"PeriodicalIF":8.6000,"publicationDate":"2024-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Production of NiFe alloy by combined recycling of waste nickel-metal hydride batteries and waste toner powder\",\"authors\":\"Pravas Ranjan Behera , Rifat Farzana , Veena Sahajwalla\",\"doi\":\"10.1016/j.susmat.2024.e01175\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><div>This paper elucidates a novel and sustainable way of bringing two major sub e-waste streams (waste electrodes of Ni-MH battery and waste toner powder) together to manufacture Ni<img>Fe alloy. Reduction of oxides (present in the Ni-MH battery electrode) with carbon sourced from waste toner was performed at 1550 °C which observed the formation of Ni<img>Fe alloy as reaction proceeded to 1 h. Percentages of waste toner in the 2 g feed material containing waste electrode mass was varied to study the metal/slag formation and separation alike. The product and slag phases were both analysed by X-ray powder diffraction, Scanning electron microscopy, Energy dispersive x-ray spectroscopy, Laser induced breakdown spectrometer to confirm the formation and metallic composition of the Ni<img>Fe alloy (>75 % Ni and > 14 % Fe) and the mixture of rare earth oxides present in the slag phase. In addition to manufacturing the metallic alloy, which evinces a possibility of being used as a feedstock in industrial applications, this innovative recycling technique also brings down the burden on landfills.</div></div>\",\"PeriodicalId\":22097,\"journal\":{\"name\":\"Sustainable Materials and Technologies\",\"volume\":\"42 \",\"pages\":\"Article e01175\"},\"PeriodicalIF\":8.6000,\"publicationDate\":\"2024-11-14\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Sustainable Materials and Technologies\",\"FirstCategoryId\":\"5\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S2214993724003555\",\"RegionNum\":2,\"RegionCategory\":\"工程技术\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"ENERGY & FUELS\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Sustainable Materials and Technologies","FirstCategoryId":"5","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S2214993724003555","RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"ENERGY & FUELS","Score":null,"Total":0}
引用次数: 0
摘要
本文阐明了一种将两种主要电子废物流（镍氢电池的废电极和废墨粉）结合起来制造镍铁合金的新型可持续方法。在 1550 °C的温度下，用来自废墨粉的碳还原氧化物（存在于镍氢电池电极中），观察到反应进行到 1 小时时形成的镍铁合金。通过 X 射线粉末衍射、扫描电子显微镜、能量色散 X 射线光谱和激光诱导击穿光谱仪对产品和熔渣相进行分析，以确认镍铁合金的形成和金属成分（75 % 镍和 14 % 铁）以及熔渣相中存在的稀土氧化物混合物。除了制造金属合金，这种创新的回收技术还有可能被用作工业应用的原料，同时也减轻了垃圾填埋场的负担。
Production of NiFe alloy by combined recycling of waste nickel-metal hydride batteries and waste toner powder
This paper elucidates a novel and sustainable way of bringing two major sub e-waste streams (waste electrodes of Ni-MH battery and waste toner powder) together to manufacture NiFe alloy. Reduction of oxides (present in the Ni-MH battery electrode) with carbon sourced from waste toner was performed at 1550 °C which observed the formation of NiFe alloy as reaction proceeded to 1 h. Percentages of waste toner in the 2 g feed material containing waste electrode mass was varied to study the metal/slag formation and separation alike. The product and slag phases were both analysed by X-ray powder diffraction, Scanning electron microscopy, Energy dispersive x-ray spectroscopy, Laser induced breakdown spectrometer to confirm the formation and metallic composition of the NiFe alloy (>75 % Ni and > 14 % Fe) and the mixture of rare earth oxides present in the slag phase. In addition to manufacturing the metallic alloy, which evinces a possibility of being used as a feedstock in industrial applications, this innovative recycling technique also brings down the burden on landfills.
期刊介绍：
Sustainable Materials and Technologies (SM&T), an international, cross-disciplinary, fully open access journal published by Elsevier, focuses on original full-length research articles and reviews. It covers applied or fundamental science of nano-, micro-, meso-, and macro-scale aspects of materials and technologies for sustainable development. SM&T gives special attention to contributions that bridge the knowledge gap between materials and system designs.
京公网安备 11010802042870号
京ICP备2023020795号-1
分享
求助内容：
应助结果提醒方式：
扫码关注我们
