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author:

Li, Zhili (Li, Zhili.) [1] | Rao, Feng (Rao, Feng.) [2] | Guo, Bao (Guo, Bao.) [3] | Zuo, Weiran (Zuo, Weiran.) [4] | Song, Shaoxian (Song, Shaoxian.) [5] | López-Valdivieso, Alejandro (López-Valdivieso, Alejandro.) [6]

Indexed by:

EI

Abstract:

In this study, the effects of calcium ions on the flotation of malachite with octyl hydroxamate collector has been investigated using micro-flotation, zeta potential, contact angle, adsorption, and particle size measurements. Although the adsorption amount of collector and the hydrophobicity of malachite surface were not influenced by the addition of 1 × 10−2 mol/L CaCl2 at the optimized flotation pH 9, it was found that the malachite flotation recovery was enhanced by the addition of CaCl2 in the pH range of 6–11. In the presence of CaCl2, energy barrier between the malachite particles and the bubbles were lower, leading to the aggregation of malachite particles, and the enhanced malachite recovery. However, at pH > 11, the formation of Ca(OH)+ and Ca(OH)2 species on malachite surface inhibited its flotation. © 2019 Elsevier Ltd

Keyword:

Adsorption Agglomeration Calcium Carbonate minerals Chlorine compounds Contact angle Flotation Hydrated lime Ions Particle size

Community:

  • [ 1 ] [Li, Zhili]School of Zijin Mining, Fuzhou University, Fuzhou; Fujian; 350108, China
  • [ 2 ] [Li, Zhili]CONACYT Instituto de Investigación en Metalurgia y Materiales, Universidad Michoacana de San Nicolás de Hidalgo, Morelia; Mich.; 58030, Mexico
  • [ 3 ] [Li, Zhili]School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan; Hubei; 430070, China
  • [ 4 ] [Rao, Feng]School of Zijin Mining, Fuzhou University, Fuzhou; Fujian; 350108, China
  • [ 5 ] [Rao, Feng]CONACYT Instituto de Investigación en Metalurgia y Materiales, Universidad Michoacana de San Nicolás de Hidalgo, Morelia; Mich.; 58030, Mexico
  • [ 6 ] [Guo, Bao]School of Zijin Mining, Fuzhou University, Fuzhou; Fujian; 350108, China
  • [ 7 ] [Zuo, Weiran]School of Zijin Mining, Fuzhou University, Fuzhou; Fujian; 350108, China
  • [ 8 ] [Song, Shaoxian]School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan; Hubei; 430070, China
  • [ 9 ] [López-Valdivieso, Alejandro]Instituto de Metalurgia, Universidad Autónoma de San Luís Potosí, San Luis Potosí; S.L.P.; 78210, Mexico

Reprint 's Address:

  • [rao, feng]school of zijin mining, fuzhou university, fuzhou; fujian; 350108, china;;[rao, feng]conacyt instituto de investigación en metalurgia y materiales, universidad michoacana de san nicolás de hidalgo, morelia; mich.; 58030, mexico

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Source :

Minerals Engineering

ISSN: 0892-6875

Year: 2019

Volume: 141

3 . 7 9 5

JCR@2019

4 . 9 0 0

JCR@2023

ESI HC Threshold:137

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 23

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 4

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