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Disposal of cuprous chloride waste water XUE Juan-qin(薛娟琴), MAO Wei-bo(毛维博), WANG Yu-jie(王玉洁), LI Jing-xian(李京仙), WU Ming(吴 明), LU Xi(卢 曦) School of Metallurgical Engineering, Xi... ____________________________________________________________________________________________ Abstract: The waste water system generated in the process of production of cuprous chloride was studied. The existing forms of copper in the system and the influence of temperature and pH......
; recycling; electronic waste 1 Introduction Since the dawn of the human history, precious metals such as silver and gold have many applications, especially in painting [1], sculpture [2], medicine... sources of precious metals is various wastes, e.g., scrap jewelry [9], used catalysts, mobile phone scraps [10] and electronic waste [11]. The latter is also called as waste of electrical and electronic......
J. Cent. South Univ. Technol. (2011) 18: 1945-1952 DOI: 10.1007/s11771-011-0927-8 Glass-ceramics made from arc-melting slag of waste incineration fly ash LIU Han-qiao(刘汉桥), WEI Guo-xia(魏国侠), LIANG... Heidelberg 2011 Abstract: Grate fly ash and fluidized bed fly ash mixed with glass cullet additive respectively were melted in the electronic arc-furnace. The product, arc-melting slag, was further......
Introduction Because of their special electric conductivity, precious metals are used increasingly in making electronic elements or equipment, and accordingly, the waste water containing precious metals... A novel recovery technology of trace precious metals from waste water by combining agglomeration and adsorption ZOU Hua-sheng(邹华生), CHU Zhu-qiang(储著强), LIN Gang(林 岗) School of Chemical and Energy......
从含金电子元件废料中提取金的试验研究薛光1,鞠军2,杨春东3(1.山东省烟台市人民武装警察部队黄金第七支队2.朝阳工程技术学校3.山东金创股份有限公司)摘 要:研制了一种从含金电子元件废料中提取金的新工艺方法.该方法是将含金废料经SB试剂预处理,除去杂质,然后将含金渣采用混合溶金试剂进行浸金,制得的含金贵液以混合还原剂SE进行还原;经二次提纯,得到的金锭纯度达99.9%,回收率达99.5%.该工艺具有操作简便,设备投资少,成本低,金的纯度高,对环境污染小等特点.关键词:含金电子元件废料; 湿法提取......
and cathodic deposit. Key words: copper alloy; leaching; electrolysis; recovery; waste electric and electronic equipment 1 Introduction The recovery of metals from waste electric and electronic... approximately 48.400 t in 2005 and 402.600 t in 2010. It not only showed better assortment ranges, but also declined effectiveness of such electronic waste treatment from 79% to 56%, caused mainly by various......
Potential recovery of precious metals from waste laptops in JordanMohammad A.T.Alsheyab摘 要:To achieve a sustainable development in the electronic... materials.In this paper, laptops were imported to Jordan in 2011 as an example to show the potential recovery of metals and precious metals from high grade waste electronic and electrical equipment......
; 中图分类号:TF0; X705 文献标志码:A 电子废弃物(Waste electrical and electronic equipment, WEEE)是指电器电子产品在生产过程中产生的废弃物以及经使用后废弃的电器电子产品[1].包括家用电器(如电视机,冰箱,空调,洗衣机,电脑等),通讯及办公设备(如手机,电话,传真机,打印机等).随着电... 2000 to 2030 (Units: 104) 表7 典型电子废弃物的平均质量及线路板所占的质量分数 Table 7 Average mass of typical electronic waste and mass percentage of PCB 表8 各种废旧线路板中金属含量 Table 8 Metal content......
Removing cadmium from electroplating wastewater by waste saccharomyces cerevisiae DAI Shu-juan(代淑娟)1, 2, WEI De-zhou(魏德洲)1, ZHOU Dong-qin(周东琴)1, JIA Chun-yun(贾春云)1, WANG Yu-juan(王玉娟)1, LIU... method using waste saccharomyces cerevisiae(WSC) as sorbent. Effect factors on biosorption of cadmium in cadmium-containing electroplating wastewater by waste saccharomyces cerevisiae......
Leaching and recycling of zinc from liquid waste sediments PENG Bing(彭 兵), GAO Hui-mei(高慧妹), CHAI Li-yuan(柴立元), SHU Yu-de(舒余德) School of Metallurgical Science and Engineering, Central South... Equipments AB204-N electronic balance made by Shanghai Jinghong Laboratory Instrument Co. Ltd., China and SHA-C water-bath thermostatic vibrator made by Beijing Dongxia Scientific Instrument Co. Ltd......