Standard

Recovery of valuable metals from waste diamond cutters through ammonia–ammonium sulfate leaching. / Xue, Ping; Li, Guang qiang; Yang, Yong xiang; Qin, Qin wei; Wei, Ming xing.

In: International Journal of Minerals Metallurgy and Materials, Vol. 24, No. 12, 2017, p. 1352-1360.

Research output: Contribution to journalArticleScientificpeer-review

Harvard

Xue, P, Li, GQ, Yang, YX, Qin, QW & Wei, MX 2017, 'Recovery of valuable metals from waste diamond cutters through ammonia–ammonium sulfate leaching', International Journal of Minerals Metallurgy and Materials, vol. 24, no. 12, pp. 1352-1360. https://doi.org/10.1007/s12613-017-1527-x

APA

Xue, P., Li, G. Q., Yang, Y. X., Qin, Q. W., & Wei, M. X. (2017). Recovery of valuable metals from waste diamond cutters through ammonia–ammonium sulfate leaching. International Journal of Minerals Metallurgy and Materials, 24(12), 1352-1360. https://doi.org/10.1007/s12613-017-1527-x

Vancouver

Xue P, Li GQ, Yang YX, Qin QW, Wei MX. Recovery of valuable metals from waste diamond cutters through ammonia–ammonium sulfate leaching. International Journal of Minerals Metallurgy and Materials. 2017;24(12):1352-1360. https://doi.org/10.1007/s12613-017-1527-x

Author

Xue, Ping ; Li, Guang qiang ; Yang, Yong xiang ; Qin, Qin wei ; Wei, Ming xing. / Recovery of valuable metals from waste diamond cutters through ammonia–ammonium sulfate leaching. In: International Journal of Minerals Metallurgy and Materials. 2017 ; Vol. 24, No. 12. pp. 1352-1360.

BibTeX

@article{c301f4f2052c4e92bc1a619352e9cbfc,
title = "Recovery of valuable metals from waste diamond cutters through ammonia–ammonium sulfate leaching",
abstract = "Copper and zinc were recovered from waste diamond cutters through leaching with an ammonia–ammonium sulfate system and air as an oxidant. The effects of experimental parameters on the leaching process were investigated, and the potential–pH (E–pH) diagrams of Cu–NH3–SO4 2−–H2O and Zn–NH3–SO4 2−–H2O at 25°C were drawn. Results showed that the optimal parameters for the leaching reaction are as follows: reaction temperature, 45°C; leaching duration, 3 h; liquid-to-solid ratio, 50:1 (mL/g); stirring speed, 200 r/min; ammonia concentration, 4.0 mol/L; ammonium sulfate concentration, 1.0 mol/L; and air flow rate, 0.2 L/min. The results of the kinetics study indicated that the leaching is controlled by the surface chemical reaction at temperatures below 35°C, and the leaching is controlled by diffusion through the product layer at temperatures above 35°C.",
keywords = "ammonia–ammonium sulfate, kinetics, leaching, recovery, renewable resources, waste diamond cutters",
author = "Ping Xue and Li, {Guang qiang} and Yang, {Yong xiang} and Qin, {Qin wei} and Wei, {Ming xing}",
year = "2017",
doi = "10.1007/s12613-017-1527-x",
language = "English",
volume = "24",
pages = "1352--1360",
journal = "International Journal of Minerals Metallurgy and Materials",
issn = "1674-4799",
publisher = "University of Science and Technology Beijing",
number = "12",

}

RIS

TY - JOUR

T1 - Recovery of valuable metals from waste diamond cutters through ammonia–ammonium sulfate leaching

AU - Xue, Ping

AU - Li, Guang qiang

AU - Yang, Yong xiang

AU - Qin, Qin wei

AU - Wei, Ming xing

PY - 2017

Y1 - 2017

N2 - Copper and zinc were recovered from waste diamond cutters through leaching with an ammonia–ammonium sulfate system and air as an oxidant. The effects of experimental parameters on the leaching process were investigated, and the potential–pH (E–pH) diagrams of Cu–NH3–SO4 2−–H2O and Zn–NH3–SO4 2−–H2O at 25°C were drawn. Results showed that the optimal parameters for the leaching reaction are as follows: reaction temperature, 45°C; leaching duration, 3 h; liquid-to-solid ratio, 50:1 (mL/g); stirring speed, 200 r/min; ammonia concentration, 4.0 mol/L; ammonium sulfate concentration, 1.0 mol/L; and air flow rate, 0.2 L/min. The results of the kinetics study indicated that the leaching is controlled by the surface chemical reaction at temperatures below 35°C, and the leaching is controlled by diffusion through the product layer at temperatures above 35°C.

AB - Copper and zinc were recovered from waste diamond cutters through leaching with an ammonia–ammonium sulfate system and air as an oxidant. The effects of experimental parameters on the leaching process were investigated, and the potential–pH (E–pH) diagrams of Cu–NH3–SO4 2−–H2O and Zn–NH3–SO4 2−–H2O at 25°C were drawn. Results showed that the optimal parameters for the leaching reaction are as follows: reaction temperature, 45°C; leaching duration, 3 h; liquid-to-solid ratio, 50:1 (mL/g); stirring speed, 200 r/min; ammonia concentration, 4.0 mol/L; ammonium sulfate concentration, 1.0 mol/L; and air flow rate, 0.2 L/min. The results of the kinetics study indicated that the leaching is controlled by the surface chemical reaction at temperatures below 35°C, and the leaching is controlled by diffusion through the product layer at temperatures above 35°C.

KW - ammonia–ammonium sulfate

KW - kinetics

KW - leaching

KW - recovery

KW - renewable resources

KW - waste diamond cutters

UR - http://www.scopus.com/inward/record.url?scp=85038207013&partnerID=8YFLogxK

U2 - 10.1007/s12613-017-1527-x

DO - 10.1007/s12613-017-1527-x

M3 - Article

AN - SCOPUS:85038207013

VL - 24

SP - 1352

EP - 1360

JO - International Journal of Minerals Metallurgy and Materials

JF - International Journal of Minerals Metallurgy and Materials

SN - 1674-4799

IS - 12

ER -

ID: 35203803