Plasma methods for metals recovery from metal-containing waste

被引：78

作者：

Du Changming ^{[1
]}

Shang Chao ^{[1
]}

Gong, Xiangjie ^{[1
]}

Wang Ting ^{[1
]}

Wei Xiange ^{[1
]}

机构：

[1] Sun Yat Sen Univ, Sch Environm Sci & Engn, Guangzhou 510275, Guangdong, Peoples R China

来源：

WASTE MANAGEMENT | 2018年 / 77卷

关键词：

Plasma; Metal waste; Metal; Recovery; DIELECTRIC-BARRIER DISCHARGES; MUNICIPAL SOLID-WASTE; METALLURGICAL-GRADE SILICON; IN-FLIGHT TREATMENT; THERMAL PLASMA; ELECTROPLATING SLUDGE; VALUABLE METALS; CIRCUIT BOARDS; IRON RECOVERY; GLIDING ARC;

D O I：

10.1016/j.wasman.2018.04.026

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Metal-containing waste, a kind of new wastes, has a great potential for recycling and is also difficult to deal with. Many countries pay more and more attention to develop the metal recovery process and equipment of this kind of waste as raw material, so as to solve the environmental pollution and comprehensively utilize the discarded metal resources. Plasma processing is an efficient and environmentally friendly way for metal-containing waste. This review mainly discuss various metal-containing waste types, such as printed circuit boards (PCBs), red mud, galvanic sludge, Zircon, aluminium dross and incinerated ash, and the corresponding plasma methods, which include DC extended transferred arc plasma reactor, DC non-transferred arc plasma torch, RF thermal plasma reactor and argon and argon-hydrogen plasma jets. In addition, the plasma arc melting technology has a better purification effect on the extraction of useful metals from metal-containing wastes, a great capacity of volume reduction of waste materials, and a low leaching toxicity of solid slag, which can also be used to deal with all kinds of metal waste materials, having a wide range of applications. (C) 2018 Elsevier Ltd. All rights reserved.

引用

页码：373 / 387

页数：15

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