响应曲面法优化从废旧LED中浸出有价金属

通过热解和浸出工艺从废旧发光二极管(LEDs)中回收有价金属.通过对热解后的LED预先筛分可回收98.16％Ga和99.54％Y.采用单因素试验和响应曲面法研究不同浸出条件对铁、铜和银浸出的影响.利用无氧化剂H2SO4浸出法从废旧LED中选择性回收约90.15％Fe,Fe浸出渣通过添加HNO3浸出可以回收99.55％Cu和99.36％Ag.XRD和SEM?EDS分析证实,所开发的工艺可以高效地从废旧LED中浸出Fe和Cu....

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Bibliographic Details

Published in:	中国有色金属学报（英文版） Vol. 33; no. 3; pp. 938 - 950
Main Authors:	魏徐一, 高永峰, 韩俊伟, 王勇伟, 覃文庆
Format:	Journal Article
Language:	Chinese
Published:	Department of Chemical and Materials Engineering, University of Alberta, Edmonton T6G 1H9, Canada 2023 中南大学 资源加工与生物工程学院,长沙 410083%Department of Chemical and Materials Engineering, University of Alberta, Edmonton T6G 1H9, Canada%中南大学 资源加工与生物工程学院,长沙 410083
Subjects:	废旧发光二极管 metal recovery response surface method 酸浸 waste LEDs acid leaching 金属回收 响应曲面法
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