Journal of the Taiwan Institute of Chemical Engineers

, volume 78 , pages 20-26

Contribution of ammonium ions to sulfidation-flotation of smithsonite

Dandan Wu

Wenhui Ma

Shuming Wen

Shaojun Bai

Jiushuai Deng

Qiong Yin

Publication type: Journal Article

Publication date: 2017-09-01

Taiwan Institute of Chemical Engineers

Journal of the Taiwan Institute of Chemical Engineers

scimago Q1

wos Q1

SJR: 0.982

CiteScore: 10.8

Impact factor: 6.3

ISSN: 18761070, 18761089

DOI: 10.1016/j.jtice.2017.05.015

Copy DOI

General Chemistry

General Chemical Engineering

Abstract

Sulfidation-flotation is commonly performed to recover base metal oxide ores. Sulfidation could become the key process in recovering zinc from zinc oxide ores. We investigated the common zinc oxide mineral. An ammonium salt was used to enhance sulfidation-flotation of smithsonite. The effect of ammonium ions on sulfidation and flotation of smithsonite was investigated by microflotation, inductively coupled plasma analysis, scanning electron microscopy, and X-ray photoelectron spectroscopy. Addition of the ammonium salt facilitates flotation of smithsonite and improves the flotation recovery by ∼25%. Solubility tests under different conditions indicate that the surface solubility of smithsonite in the presence of ammonium ions significantly decreases. Energy-dispersive X-ray spectroscopy based semi-quantitative analysis shows that the concentration of sulfur on the ammonium enhanced sulfurized smithsonite surface is 8.55%, whereas that on the sulfurized smithsonite surface is 2%. XPS analysis reveals that smithsonite is more easily sulfurized by sodium sulfide in the presence of ammonium ions. Therefore, ammonium ion addition can be used to enhance sulfidation of smithsonite and improve the flotation performance.

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GOST |

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GOST Copy

Wu D. et al. Contribution of ammonium ions to sulfidation-flotation of smithsonite // Journal of the Taiwan Institute of Chemical Engineers. 2017. Vol. 78. pp. 20-26.

GOST all authors (up to 50) Copy

Wu D., Ma W., Wen S., Bai S., Deng J., Yin Q. Contribution of ammonium ions to sulfidation-flotation of smithsonite // Journal of the Taiwan Institute of Chemical Engineers. 2017. Vol. 78. pp. 20-26.

RIS |

Cite this

RIS Copy

TY - JOUR

DO - 10.1016/j.jtice.2017.05.015

UR - https://doi.org/10.1016/j.jtice.2017.05.015

TI - Contribution of ammonium ions to sulfidation-flotation of smithsonite

T2 - Journal of the Taiwan Institute of Chemical Engineers

AU - Wu, Dandan

AU - Ma, Wenhui

AU - Wen, Shuming

AU - Bai, Shaojun

AU - Deng, Jiushuai

AU - Yin, Qiong

PY - 2017

DA - 2017/09/01

PB - Taiwan Institute of Chemical Engineers

SP - 20-26

VL - 78

SN - 1876-1070

SN - 1876-1089

ER -

BibTex

Cite this

BibTex (up to 50 authors) Copy

@article{2017_Wu,

author = {Dandan Wu and Wenhui Ma and Shuming Wen and Shaojun Bai and Jiushuai Deng and Qiong Yin},

title = {Contribution of ammonium ions to sulfidation-flotation of smithsonite},

journal = {Journal of the Taiwan Institute of Chemical Engineers},

year = {2017},

volume = {78},

publisher = {Taiwan Institute of Chemical Engineers},

month = {sep},

url = {https://doi.org/10.1016/j.jtice.2017.05.015},

pages = {20--26},

doi = {10.1016/j.jtice.2017.05.015}

}

Publisher

Taiwan Institute of Chemical Engineers

Journal

Journal of the Taiwan Institute of Chemical Engineers

scimago Q1

wos Q1

SJR

0.982

CiteScore

10.8

Impact factor

6.3

ISSN

18761070 (Print)

18761089