Flotation separation of chalcopyrite from pyrite using mineral fulvic acid as selective depressant under weakly alkaline conditions

被引:2
|
作者
Shen, Zhi-hao [1 ]
Wen, Shu-ming [1 ]
Hao, Jia-mei [1 ]
Feng, Qi-cheng [1 ]
机构
[1] Kunming Univ Sci & Technol, Fac Land Resource Engn, State Key Lab Complex Nonferrous Met Resources Cle, Kunming 650093, Peoples R China
关键词
mineral fulvic acid; chalcopyrite; pyrite; flotation separation; INTERACTION MECHANISM; SODIUM SULFIDE; ADSORPTION; SURFACES; CYANIDE; GALENA;
D O I
10.1016/S1003-6326(24)66681-1
中图分类号
TF [冶金工业];
学科分类号
0806 ;
摘要
Mineral fulvic acid (MFA) was used as an eco-friendly pyrite depressant to recover chalcopyrite by flotation with the use of the butyl xanthate as a collector. Flotation experiments showed that MFA produced a stronger inhibition effect on pyrite than on chalcopyrite. The separation of chalcopyrite from pyrite was realized by introducing 150 mg/L MFA at a pulp pH of approximately 8.0. The copper grade, copper recovery, and separation efficiency were 28.03%, 84.79%, and 71.66%, respectively. Surface adsorption tests, zeta potential determinations, and localized electrochemical impedance spectroscopy tests showed that more MFA adsorbed on pyrite than on chalcopyrite, which weakened the subsequent interactions between pyrite and the collector. Atomic force microscope imaging further confirmed the adsorption of MFA on pyrite, and X-ray photoelectron spectroscopy results indicated that hydrophilic Fe-based species on the pyrite surfaces increased after exposure of pyrite to MFA, thereby decreasing the floatability of pyrite.
引用
收藏
页码:313 / 325
页数:13
相关论文
共 50 条
  • [41] AN FTIR STUDY ON SELECTIVE SEPARATION OF PYRITE FROM CHALCOPYRITE USING BACTERIA
    Chandraprabha, M. N.
    Natarajan, K. A.
    BIOTECHNOLOGY AND FOOD SERVICE, 2011, 7 : 171 - 175
  • [42] Selective flotation separation of chalcopyrite from talc by a novel depressant: N-methylene phosphonic chitosan
    Ye, Wen-Long
    Zhang, Xu-Gang
    Pan, Cheng-Lin
    Hu, Xiu-Qin
    Luo, Yong-Chun
    Xu, Peng-Fei
    MINERALS ENGINEERING, 2022, 177
  • [43] Selective depression and adsorption of a novel eco-friendly depressant on the flotation separation of chalcopyrite from carrollite
    Zeng, Guangsheng
    Wang, Mengtao
    Zhang, Guofan
    Gao, Yongqiang
    COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, 2024, 695
  • [44] Insights into flotation separation mechanism of chalcopyrite from galena using mercaptosuccinic acid as a novel depressant: Experimental and MDS studies
    Shen, Zhihao
    Feng, Qicheng
    Wen, Shuming
    Wang, Han
    Cao, Jing
    Song, Zhengyong
    POWDER TECHNOLOGY, 2024, 445
  • [45] Selective adsorption behavior and mechanism of a high-performance depressant in the flotation separation of pyrite from talcum
    Jin, Jianping
    Wang, Xun
    Gao, Peng
    Liu, Jie
    Zhu, Yimin
    Han, Yuexin
    JOURNAL OF MOLECULAR LIQUIDS, 2021, 325
  • [46] The flotation separation of molybdenite from chalcopyrite using a polymer depressant and insights to its adsorption mechanism
    Zhang, Xingrong
    Lu, Liang
    Cao, Yijun
    Yang, Jianbo
    Che, Wenfang
    Liu, Jiongtian
    CHEMICAL ENGINEERING JOURNAL, 2020, 395
  • [47] Efficient and Green Flotation Separation of Molybdenite from Chalcopyrite Using 1-Thioglycerol as Depressant
    Jiang, Feng
    He, Shuai
    Sun, Wei
    Luo, Yuanjia
    Tang, Honghu
    METALS, 2025, 15 (03)
  • [48] Flotation separation of chalcopyrite and pyrite via Fenton oxidation modification in a low alkaline acid mine drainage (AMD) system
    Ding, Zhan
    Bi, Yunxiao
    Li, Jie
    Yuan, Jiaqiao
    Dai, Huixin
    Bai, Shaojun
    MINERALS ENGINEERING, 2022, 187
  • [49] Selective separation of pyrite from chalcopyrite and arsenopyrite by biomodulation using Acidithiobacillus ferrooxidans
    Chandraprabha, MN
    Natarajan, KA
    Somasundaran, P
    INTERNATIONAL JOURNAL OF MINERAL PROCESSING, 2005, 75 (1-2) : 113 - 122
  • [50] Utilization of acetic acid-[(hydrazinylthioxomethyl)thiol-sodium as a novel selective depressant for chalcopyrite in the flotation separation of molybdenite
    Yin, Zhigang
    Sun, Wei
    Hu, Yuehua
    Zhang, Chenhu
    Guan, Qingjun
    Liu, Runqing
    Chen, Pan
    Tian, MengJie
    SEPARATION AND PURIFICATION TECHNOLOGY, 2017, 179 : 248 - 256