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author:

Li, Zhili (Li, Zhili.) [1] | Rao, Feng (Rao, Feng.) [2] (Scholars:饶峰) | Lou, Xiaoming (Lou, Xiaoming.) [3] (Scholars:楼晓明) | Song, Shaoxian (Song, Shaoxian.) [4] | Lopez-Valdivieso, Alejandro (Lopez-Valdivieso, Alejandro.) [5]

Indexed by:

Scopus SCIE

Abstract:

Malachite fines are easily produced in the grinding process, leading to low malachite flotation recovery. Floc-flotation of malachite fines with an octyl hydroxamate and kerosene mixture was studied to improve the flotation recovery, using microflotation, microscopy image observations, contact angle measurements, and Extended Derjguin-Landau-Verwey-Overbeek (EDLVO) analysis. The results showed that the addition of octyl hydroxamate as an emulsifier of kerosene enhanced the aggregation of malachite fines and improved malachite flotation recovery. In addition, when kerosene droplets were smaller and of uniform size distribution, the spreading of kerosene droplets on the malachite surface improved. The enhanced spreading of kerosene droplets led to higher coverage of kerosene on the malachite surface, resulting in improved hydrophobic aggregation and flotation recovery.

Keyword:

emulsifier Floc-flotation malachite flotation octyl hydroxamate spreading

Community:

  • [ 1 ] [Li, Zhili]Fuzhou Univ, Sch Zijin Min, Fuzhou 350108, Fujian, Peoples R China
  • [ 2 ] [Rao, Feng]Fuzhou Univ, Sch Zijin Min, Fuzhou 350108, Fujian, Peoples R China
  • [ 3 ] [Lou, Xiaoming]Fuzhou Univ, Sch Zijin Min, Fuzhou 350108, Fujian, Peoples R China
  • [ 4 ] [Li, Zhili]Univ Michoacana, CONACYT Inst Invest Met & Mat, Morelia 58030, Michoacan, Mexico
  • [ 5 ] [Rao, Feng]Univ Michoacana, CONACYT Inst Invest Met & Mat, Morelia 58030, Michoacan, Mexico
  • [ 6 ] [Li, Zhili]Wuhan Univ Technol, Sch Resources & Environm Engn, Wuhan 430070, Hubei, Peoples R China
  • [ 7 ] [Song, Shaoxian]Wuhan Univ Technol, Sch Resources & Environm Engn, Wuhan 430070, Hubei, Peoples R China
  • [ 8 ] [Lopez-Valdivieso, Alejandro]Univ Autonoma San Luis Potosi, Inst Met, San Luis Potosi 78210, Mexico

Reprint 's Address:

  • 楼晓明

    [Lou, Xiaoming]Fuzhou Univ, Sch Zijin Min, Fuzhou 350108, Fujian, Peoples R China

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Source :

MINERALS

ISSN: 2075-163X

Year: 2019

Issue: 5

Volume: 9

2 . 3 8

JCR@2019

2 . 2 0 0

JCR@2023

ESI Discipline: GEOSCIENCES;

ESI HC Threshold:137

JCR Journal Grade:2

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 7

SCOPUS Cited Count: 9

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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