Distribution of copper and iron components with hydrogen reduction of copper slag

被引：34

作者：

Qu, Guorui ^{[1
]}

Wei, Yonggang ^{[1
,2
,3
]}

Li, Bo ^{[1
,2
]}

Wang, Hua ^{[1
]}

Yang, Yindong ^{[3
]}

McLean, Alexander ^{[3
]}

机构：

[1] Kunming Univ Sci & Technol, State Key Lab Complex Nonferrous Met Resources Cl, Kunming 650093, Yunnan, Peoples R China

[2] Kunming Univ Sci & Technol, Fac Met & Energy Engn, Kunming 650093, Yunnan, Peoples R China

[3] Univ Toronto, Dept Mat Sci & Engn, Toronto, ON M5S 3E4, Canada

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2020年 / 824卷

基金：

中国国家自然科学基金;

关键词：

Copper slag; Hydrogen reduction; Components distribution; Microstructural; Image analysis; BIODIESEL PRODUCTION; RECOVERY; BIOMASS; LOSSES; GREEN;

D O I：

10.1016/j.jallcom.2020.153910

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

In this study, a 70% H-2-30% N-2 mixture was used to simulate waste cooking oil pyrolysis gas products for reduction of copper slag. The microstructure of slag before and after reduction was analyzed, and the distribution characteristics of copper and iron components during the reduction process were evaluated. The results show that there is always a sedimentation behavior of the matte in the slag during the cleaning process. The residual matte in the cleaned slag is mainly related to chemically dissolved copper. A clear layering was observed between slag and matte after the reduction process. These findings provide support for the recovery of matte from copper slag using waste cooking oil as a green reductant. (C) 2020 Elsevier B.V. All rights reserved.

引用

页数：9

共 29 条

[1] Origin and sedimentation of Cu-droplets sticking to spinel solids in pyrometallurgical slags [J].

De Wilde, E. ;

Bellemans, I. ;

Zheng, L. ;

Campforts, M. ;

Guo, M. ;

Blanpain, B. ;

Moelans, N. ;

Verbeken, K. .

MATERIALS SCIENCE AND TECHNOLOGY, 2016, 32 (18) :1911-1924

[2] Slag cleaning:: The Chilean copper smelter experience [J].

Demetrio, S ;

Ahumada, J ;

Durán, MA ;

Mast, E ;

Rojas, U ;

Sanhueza, J ;

Reyes, P ;

Morales, E .

JOM-JOURNAL OF THE MINERALS METALS & MATERIALS SOCIETY, 2000, 52 (08) :20-25

[3] Economics of biodiesel production: Review [J].

Gebremariam, S. N. ;

Marchetti, J. M. .

ENERGY CONVERSION AND MANAGEMENT, 2018, 168 :74-84

[4] Characteristics and utilisation of copper slag - a review [J].

Gorai, B ;

Jana, RK ;

Premchand .

RESOURCES CONSERVATION AND RECYCLING, 2003, 39 (04) :299-313

[5] Green and efficient utilization of waste ferric-oxide desulfurizer to clean waste copper slag by the smelting reduction-sulfurizing process [J].

Guo, Zhengqi ;

Pan, Jian ;

Zhu, Deqing ;

Zhang, Feng .

JOURNAL OF CLEANER PRODUCTION, 2018, 199 :891-899

[6] Cleaner production of iron by using waste macadamia biomass as a carbon resource [J].

Kumar, Uttam ;

Maroufi, Samane ;

Rajarao, Ravindra ;

Mayyas, Mohannad ;

Mansuri, Irshad ;

Joshi, Rakesh K. ;

Sahajwalla, Veena .

JOURNAL OF CLEANER PRODUCTION, 2017, 158 :218-224

[7] Smelting reduction and kinetics analysis of magnetic iron in copper slag using waste cooking oil [J].

Li, Bo ;

Wang, Xubin ;

Wang, Hua ;

Wei, Yonggang ;

Hu, Jianhang .

SCIENTIFIC REPORTS, 2017, 7

[8]

Lijing, 1990, NONFERROUS MET EXTR, V5, P20

[9]

[刘慧利 Liu Huili], 2012, [过程工程学报, The Chinese Journal of Process Engineering], V12, P265

[10] Application of quenching-partitioning-tempering process and modification to a newly designed ultrahigh carbon steel [J].

Liu, S. G. ;

Dong, S. S. ;

Yang, F. ;

Li, L. ;

Hu, B. ;

Xiao, F. H. ;

Chen, Q. ;

Liu, H. S. .

MATERIALS & DESIGN, 2014, 56 :37-43

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