Mineralogical and morphological factors affecting the separation of copper and arsenic in flash copper smelting slag flotation beneficiation process

doi:10.1016/j.jhazmat.2020.123293

CORC > 地球环境研究所 > 中国科学院地球环境研究所 > 黄土与第四纪地质国家重点实验室（2010~）

	Mineralogical and morphological factors affecting the separation of copper and arsenic in flash copper smelting slag flotation beneficiation process
	Zhou, Huihui 3,4; Liu, Guijian 3,4; Zhang, Liqun 2; Zhou, Chuncai 1
刊名	JOURNAL OF HAZARDOUS MATERIALS
	2021-01-05
卷号	401 页码:12
关键词	Arsenic Copper recovery Copper slag Occurrence mode Chemical speciation
ISSN号	0304-3894
DOI	10.1016/j.jhazmat.2020.123293
通讯作者	Zhou, Huihui(janezhh@mail.ustc.edu.cn) ; Liu, Guijian(lgj@ustc.edu.cn)
英文摘要	Separating copper and arsenic has always been a major problem in the copper slag flotation process, which influences copper slag utilization and the environmental safety. A comparative study of flash smelling furnace (FSF) slag and its flotation products (concentrate and tailing) reveals the factors affecting the separation of copper and arsenic in the beneficiation process from the perspective of mineralogy and morphology. The elemental fractionation in the process shows a positive correlation of As, Cu and Cd and an obvious correlation between speciation transformation of copper and arsenic was observed. The occurrence of arsenic and copper in FSF slag correlate the key phases of arsenic copper alloys, accounted for 88.91 % of total arsenic-bearing phases and 32.28% of copper-bearing phases. Closely-embeded matte and copper-arsenic alloys incerease the difficulty of the separation suggesting the finer grinding is needed for slag. Arsenic is liberated and oxidized into arsenate compounds while the recombination of As-O and Cu-S happened in the process affecting the selectivity of copper and arsenic. Arsenic fixed in silicate minerals is discharged into tailing which suggested to induce and fix arsenic into silicate minerals can facilitate arsenic removal from concentrate. FSF slag and its flotation concnetrate show risks of some of some of HMs which should be cautiously transported, disposed, and utilized.
资助项目	major science and technology projects in Anhui province[201903a07020011]
WOS关键词	CHEMICAL SPECIATION ; SELECTIVE FLOTATION ; LEACHING BEHAVIOR ; REMOVAL ; ELEMENTS ; MINE ; EXTRACTION ; IMMOBILIZATION ; FRACTIONATION ; CHALCOPYRITE
WOS研究方向	Engineering ; Environmental Sciences & Ecology
语种	英语
出版者	ELSEVIER
WOS记录号	WOS:000581684900035
资助机构	major science and technology projects in Anhui province
内容类型	期刊论文
源URL	[http://ir.ieecas.cn/handle/361006/15836]
专题	地球环境研究所_黄土与第四纪地质国家重点实验室（2010~）
通讯作者	Zhou, Huihui; Liu, Guijian
作者单位	1.Hefei Univ Technol, Sch Resources & Environm Engn, Hefei 230009, Peoples R China 2.Anhui Univ, Sch Resource & Environm Engn, Hefei 230601, Peoples R China 3.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710075, Shanxi, Peoples R China 4.Univ Sci & Technol China, Sch Earth & Space Sci, CAS Key Lab Crust Mantle Mat & Environm, Hefei 230026, Peoples R China
推荐引用方式 GB/T 7714	Zhou, Huihui,Liu, Guijian,Zhang, Liqun,et al. Mineralogical and morphological factors affecting the separation of copper and arsenic in flash copper smelting slag flotation beneficiation process[J]. JOURNAL OF HAZARDOUS MATERIALS,2021,401:12.
APA	Zhou, Huihui,Liu, Guijian,Zhang, Liqun,&Zhou, Chuncai.(2021).Mineralogical and morphological factors affecting the separation of copper and arsenic in flash copper smelting slag flotation beneficiation process.JOURNAL OF HAZARDOUS MATERIALS,401,12.
MLA	Zhou, Huihui,et al."Mineralogical and morphological factors affecting the separation of copper and arsenic in flash copper smelting slag flotation beneficiation process".JOURNAL OF HAZARDOUS MATERIALS 401(2021):12.