Studies on Acidic Leaching of Waste Mobile Phones

Fatma Arslan; Kudret Tahsin Perek; Cuneyt Arslan; Ilyas Emir Cuhadar; Armagan Altun

doi:doi:10.11648/j.ijmpem.20220702.11

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Studies on Acidic Leaching of Waste Mobile Phones

Fatma Arslan, Kudret Tahsin Perek, Cuneyt Arslan, Ilyas Emir Cuhadar, Armagan Altun

Published in International Journal of Mineral Processing and Extractive Metallurgy (Volume 7, Issue 2)

Received: 14 March 2022 Accepted: 1 April 2022 Published: 14 April 2022

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Abstract

The consumption of mobile phones is increasing day by day and the replacement speed is also accelerating. Thus, a lot of old mobile phones and their parts need to be processed. Mobile phones contain more than 40 elements and/or materials. This experimental study aims to establish the possibilities of recovering valuable metals from waste mobile phones by using acidic leaching. The process steps include dismantling of waste mobile phones, pre-processing to liberate the materials, and directing them to final treatment processes. Prior to leaching tests, the PCBs of waste mobile phone sample are chemically analyzed and its metal contents are found as 33.22% Cu, 9.42% Fe, 1.86% Zn, 2.77% Ni, 1.63% Al, 0.4% Pb, 0.02% Co, 0.14% Ag, and 251.2 ppm Au. In the leaching experiments, sulfuric, nitric, and hydrochloric acids are used. In the sulfuric acid leaching experiments, effects of acid concentration, temperature, hydrogen peroxide addition, and leaching periods on metal dissolution efficiencies are investigated. Results are compared and discussed in relation to the types of acids. XRD analyses of feed material and leach residues are also carried out. As a result of this experimental study, 97.9% Fe leaching in 8 M H₂SO₄ solutions, 89% Pb, 100% Ni, 90.4% Co, and 4.1% Cu leaching in 1M HNO₃ solutions, 100% Pb, and 100% Al leaching in 4 M HCl solutions in one hour are found. In conclusion, sequential leaching with different acids is recommended for the effective leaching of all metals.

Published in	International Journal of Mineral Processing and Extractive Metallurgy (Volume 7, Issue 2)
DOI	10.11648/j.ijmpem.20220702.11
Page(s)	36-42
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2022. Published by Science Publishing Group

Keywords

Recycling, Waste Mobile Phones, Acidic Leaching

References

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[3]	Tan, Q., Dong, Q., Liu, L., Song, Q., Liang, Y., Li, J., 2017. Potential recycling availability and capacity assessment on typical metals in waste mobile phones: A current research study in China. Journal of Cleaner Production. 148, 509-517.
[4]	Christian, B., Roma nov, A., Romanova, I., Turbini, L. J., 2014. Elemental compositions of over 80 cell phones. J. Electron. Mater. 43 (11), 4199-4213.
[5]	Md. Rubel Miah, Abu Md. Saifuddoha, Md. Shohel Parvez, Abdun Noor, Chandan Chakraborty, Taslima Tabassum, 2013. Recycling of Mobile Phone Waste, International Journal of Scientific & Engineering Research, Volume 4, Issue 8, August-2013, 1813-1815.
[6]	Fu Gu, Peter A. Summers, Philip Hall, 2019. Review- Recovering materials from waste mobile phones: Recent technological developments, Journal of Cleaner Production 237 (2019) 117657.
[7]	Jing-ying, L., Xiu-li, X., Wen-quan, L., 2012. Thiourea leaching gold and silver from the printed circuit boards of waste mobile phones. Waste Management. 32, (6), 1209-1212.
[8]	Okwu, P. I., Onyeje, I. N., 2014. Extraction of valuable substances from e-waste. American Journal of Engineering Research (AJER). 3, (1), 299-304.
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[14]	Oh, C. J., Lee, S. O., Yang, H. S., Ha, T. J., Kim, M. J., 2003. Selective leaching of valuable metals from waste printed circuit boards. Air & Waste Management Association 53, 897–902.
[15]	Quinet, P., Proost, J., Van Lierde, A., 2005. Recovery of precious metals from electronic scrap by hydrometallurgical processing routes. Minerals Metallurgical Process 22, 17–22.
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[17]	Yang, T., Xu, Z., Wen, J., Yang, L., 2009. Factors inﬂuencing bioleaching copper from waste printed circuit boards by Acidithiobacillus ferroxidans. Hydrometallurgy 97, 29–32.
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APA Style

Fatma Arslan, Kudret Tahsin Perek, Cuneyt Arslan, Ilyas Emir Cuhadar, Armagan Altun. (2022). Studies on Acidic Leaching of Waste Mobile Phones. International Journal of Mineral Processing and Extractive Metallurgy, 7(2), 36-42. https://doi.org/10.11648/j.ijmpem.20220702.11

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ACS Style

Fatma Arslan; Kudret Tahsin Perek; Cuneyt Arslan; Ilyas Emir Cuhadar; Armagan Altun. Studies on Acidic Leaching of Waste Mobile Phones. Int. J. Miner. Process. Extr. Metall. 2022, 7(2), 36-42. doi: 10.11648/j.ijmpem.20220702.11

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AMA Style

Fatma Arslan, Kudret Tahsin Perek, Cuneyt Arslan, Ilyas Emir Cuhadar, Armagan Altun. Studies on Acidic Leaching of Waste Mobile Phones. Int J Miner Process Extr Metall. 2022;7(2):36-42. doi: 10.11648/j.ijmpem.20220702.11

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@article{10.11648/j.ijmpem.20220702.11,
  author = {Fatma Arslan and Kudret Tahsin Perek and Cuneyt Arslan and Ilyas Emir Cuhadar and Armagan Altun},
  title = {Studies on Acidic Leaching of Waste Mobile Phones},
  journal = {International Journal of Mineral Processing and Extractive Metallurgy},
  volume = {7},
  number = {2},
  pages = {36-42},
  doi = {10.11648/j.ijmpem.20220702.11},
  url = {https://doi.org/10.11648/j.ijmpem.20220702.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijmpem.20220702.11},
  abstract = {The consumption of mobile phones is increasing day by day and the replacement speed is also accelerating. Thus, a lot of old mobile phones and their parts need to be processed. Mobile phones contain more than 40 elements and/or materials. This experimental study aims to establish the possibilities of recovering valuable metals from waste mobile phones by using acidic leaching. The process steps include dismantling of waste mobile phones, pre-processing to liberate the materials, and directing them to final treatment processes. Prior to leaching tests, the PCBs of waste mobile phone sample are chemically analyzed and its metal contents are found as 33.22% Cu, 9.42% Fe, 1.86% Zn, 2.77% Ni, 1.63% Al, 0.4% Pb, 0.02% Co, 0.14% Ag, and 251.2 ppm Au. In the leaching experiments, sulfuric, nitric, and hydrochloric acids are used. In the sulfuric acid leaching experiments, effects of acid concentration, temperature, hydrogen peroxide addition, and leaching periods on metal dissolution efficiencies are investigated. Results are compared and discussed in relation to the types of acids. XRD analyses of feed material and leach residues are also carried out. As a result of this experimental study, 97.9% Fe leaching in 8 M H2SO4 solutions, 89% Pb, 100% Ni, 90.4% Co, and 4.1% Cu leaching in 1M HNO3 solutions, 100% Pb, and 100% Al leaching in 4 M HCl solutions in one hour are found. In conclusion, sequential leaching with different acids is recommended for the effective leaching of all metals.},
 year = {2022}
}

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TY - JOUR
T1 - Studies on Acidic Leaching of Waste Mobile Phones
AU - Fatma Arslan
AU - Kudret Tahsin Perek
AU - Cuneyt Arslan
AU - Ilyas Emir Cuhadar
AU - Armagan Altun
Y1 - 2022/04/14
PY - 2022
N1 - https://doi.org/10.11648/j.ijmpem.20220702.11
DO - 10.11648/j.ijmpem.20220702.11
T2 - International Journal of Mineral Processing and Extractive Metallurgy
JF - International Journal of Mineral Processing and Extractive Metallurgy
JO - International Journal of Mineral Processing and Extractive Metallurgy
SP - 36
EP - 42
PB - Science Publishing Group
SN - 2575-1859
UR - https://doi.org/10.11648/j.ijmpem.20220702.11
AB - The consumption of mobile phones is increasing day by day and the replacement speed is also accelerating. Thus, a lot of old mobile phones and their parts need to be processed. Mobile phones contain more than 40 elements and/or materials. This experimental study aims to establish the possibilities of recovering valuable metals from waste mobile phones by using acidic leaching. The process steps include dismantling of waste mobile phones, pre-processing to liberate the materials, and directing them to final treatment processes. Prior to leaching tests, the PCBs of waste mobile phone sample are chemically analyzed and its metal contents are found as 33.22% Cu, 9.42% Fe, 1.86% Zn, 2.77% Ni, 1.63% Al, 0.4% Pb, 0.02% Co, 0.14% Ag, and 251.2 ppm Au. In the leaching experiments, sulfuric, nitric, and hydrochloric acids are used. In the sulfuric acid leaching experiments, effects of acid concentration, temperature, hydrogen peroxide addition, and leaching periods on metal dissolution efficiencies are investigated. Results are compared and discussed in relation to the types of acids. XRD analyses of feed material and leach residues are also carried out. As a result of this experimental study, 97.9% Fe leaching in 8 M H2SO4 solutions, 89% Pb, 100% Ni, 90.4% Co, and 4.1% Cu leaching in 1M HNO3 solutions, 100% Pb, and 100% Al leaching in 4 M HCl solutions in one hour are found. In conclusion, sequential leaching with different acids is recommended for the effective leaching of all metals.
VL - 7
IS - 2
ER -

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Author Information

Fatma Arslan

Mineral Processing Engineering Department, Istanbul Technical University, Istanbul, Turkey
Kudret Tahsin Perek

Mineral Processing Engineering Department, Istanbul Technical University, Istanbul, Turkey
Cuneyt Arslan

Metallurgical and Materials Engineering Department, Istanbul Technical University, Istanbul, Turkey
Ilyas Emir Cuhadar

Mineral Processing Engineering Department, Istanbul Technical University, Istanbul, Turkey
Armagan Altun

Mineral Processing Engineering Department, Istanbul Technical University, Istanbul, Turkey

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APA Style

Fatma Arslan, Kudret Tahsin Perek, Cuneyt Arslan, Ilyas Emir Cuhadar, Armagan Altun. (2022). Studies on Acidic Leaching of Waste Mobile Phones. International Journal of Mineral Processing and Extractive Metallurgy, 7(2), 36-42. https://doi.org/10.11648/j.ijmpem.20220702.11

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ACS Style

Fatma Arslan; Kudret Tahsin Perek; Cuneyt Arslan; Ilyas Emir Cuhadar; Armagan Altun. Studies on Acidic Leaching of Waste Mobile Phones. Int. J. Miner. Process. Extr. Metall. 2022, 7(2), 36-42. doi: 10.11648/j.ijmpem.20220702.11

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AMA Style

Fatma Arslan, Kudret Tahsin Perek, Cuneyt Arslan, Ilyas Emir Cuhadar, Armagan Altun. Studies on Acidic Leaching of Waste Mobile Phones. Int J Miner Process Extr Metall. 2022;7(2):36-42. doi: 10.11648/j.ijmpem.20220702.11

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@article{10.11648/j.ijmpem.20220702.11,
  author = {Fatma Arslan and Kudret Tahsin Perek and Cuneyt Arslan and Ilyas Emir Cuhadar and Armagan Altun},
  title = {Studies on Acidic Leaching of Waste Mobile Phones},
  journal = {International Journal of Mineral Processing and Extractive Metallurgy},
  volume = {7},
  number = {2},
  pages = {36-42},
  doi = {10.11648/j.ijmpem.20220702.11},
  url = {https://doi.org/10.11648/j.ijmpem.20220702.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijmpem.20220702.11},
  abstract = {The consumption of mobile phones is increasing day by day and the replacement speed is also accelerating. Thus, a lot of old mobile phones and their parts need to be processed. Mobile phones contain more than 40 elements and/or materials. This experimental study aims to establish the possibilities of recovering valuable metals from waste mobile phones by using acidic leaching. The process steps include dismantling of waste mobile phones, pre-processing to liberate the materials, and directing them to final treatment processes. Prior to leaching tests, the PCBs of waste mobile phone sample are chemically analyzed and its metal contents are found as 33.22% Cu, 9.42% Fe, 1.86% Zn, 2.77% Ni, 1.63% Al, 0.4% Pb, 0.02% Co, 0.14% Ag, and 251.2 ppm Au. In the leaching experiments, sulfuric, nitric, and hydrochloric acids are used. In the sulfuric acid leaching experiments, effects of acid concentration, temperature, hydrogen peroxide addition, and leaching periods on metal dissolution efficiencies are investigated. Results are compared and discussed in relation to the types of acids. XRD analyses of feed material and leach residues are also carried out. As a result of this experimental study, 97.9% Fe leaching in 8 M H2SO4 solutions, 89% Pb, 100% Ni, 90.4% Co, and 4.1% Cu leaching in 1M HNO3 solutions, 100% Pb, and 100% Al leaching in 4 M HCl solutions in one hour are found. In conclusion, sequential leaching with different acids is recommended for the effective leaching of all metals.},
 year = {2022}
}

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