Tampere University of Technology

TUTCRIS Research Portal

Two-step bioleaching of copper and gold from discarded printed circuit boards (PCB)

Research output: Contribution to journalArticleScientificpeer-review

Standard

Two-step bioleaching of copper and gold from discarded printed circuit boards (PCB). / Işildar, Arda; van de Vossenberg, Jack; Rene, Eldon R.; van Hullebusch, Eric D.; Lens, Piet N L.

In: Waste Management, Vol. 57, 11.2016, p. 149–157.

Research output: Contribution to journalArticleScientificpeer-review

Harvard

Işildar, A, van de Vossenberg, J, Rene, ER, van Hullebusch, ED & Lens, PNL 2016, 'Two-step bioleaching of copper and gold from discarded printed circuit boards (PCB)' Waste Management, vol. 57, pp. 149–157. https://doi.org/10.1016/j.wasman.2015.11.033

APA

Işildar, A., van de Vossenberg, J., Rene, E. R., van Hullebusch, E. D., & Lens, P. N. L. (2016). Two-step bioleaching of copper and gold from discarded printed circuit boards (PCB). Waste Management, 57, 149–157. https://doi.org/10.1016/j.wasman.2015.11.033

Vancouver

Işildar A, van de Vossenberg J, Rene ER, van Hullebusch ED, Lens PNL. Two-step bioleaching of copper and gold from discarded printed circuit boards (PCB). Waste Management. 2016 Nov;57:149–157. https://doi.org/10.1016/j.wasman.2015.11.033

Author

Işildar, Arda ; van de Vossenberg, Jack ; Rene, Eldon R. ; van Hullebusch, Eric D. ; Lens, Piet N L. / Two-step bioleaching of copper and gold from discarded printed circuit boards (PCB). In: Waste Management. 2016 ; Vol. 57. pp. 149–157.

Bibtex - Download

@article{0eeeea82ed9a44dca0c66bd7bd4773bc,
title = "Two-step bioleaching of copper and gold from discarded printed circuit boards (PCB)",
abstract = "An effective strategy for environmentally sound biological recovery of copper and gold from discarded printed circuit boards (PCB) in a two-step bioleaching process was experimented. In the first step, chemolithotrophic acidophilic Acidithiobacillus ferrivorans and Acidithiobacillus thiooxidans were used. In the second step, cyanide-producing heterotrophic Pseudomonas fluorescens and Pseudomonas putida were used. Results showed that at a 1{\%} pulp density (10. g/L PCB concentration), 98.4{\%} of the copper was bioleached by a mixture of A. ferrivorans and A. thiooxidans at pH 1.0-1.6 and ambient temperature (23. ±. 2. °C) in 7. days. A pure culture of P. putida (strain WCS361) produced 21.5 (±1.5). mg/L cyanide with 10. g/L glycine as the substrate. This gold complexing agent was used in the subsequent bioleaching step using the Cu-leached (by A. ferrivorans and A. thiooxidans) PCB material, 44.0{\%} of the gold was mobilized in alkaline conditions at pH 7.3-8.6, and 30. °C in 2. days. This study provided a proof-of-concept of a two-step approach in metal bioleaching from PCB, by bacterially produced lixiviants.",
keywords = "Bioleaching, Copper, Gold, PCB, Secondary resource, Two-step, WEEE",
author = "Arda Işildar and {van de Vossenberg}, Jack and Rene, {Eldon R.} and {van Hullebusch}, {Eric D.} and Lens, {Piet N L}",
year = "2016",
month = "11",
doi = "10.1016/j.wasman.2015.11.033",
language = "English",
volume = "57",
pages = "149–157",
journal = "Waste Management",
issn = "0956-053X",
publisher = "Elsevier",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Two-step bioleaching of copper and gold from discarded printed circuit boards (PCB)

AU - Işildar, Arda

AU - van de Vossenberg, Jack

AU - Rene, Eldon R.

AU - van Hullebusch, Eric D.

AU - Lens, Piet N L

PY - 2016/11

Y1 - 2016/11

N2 - An effective strategy for environmentally sound biological recovery of copper and gold from discarded printed circuit boards (PCB) in a two-step bioleaching process was experimented. In the first step, chemolithotrophic acidophilic Acidithiobacillus ferrivorans and Acidithiobacillus thiooxidans were used. In the second step, cyanide-producing heterotrophic Pseudomonas fluorescens and Pseudomonas putida were used. Results showed that at a 1% pulp density (10. g/L PCB concentration), 98.4% of the copper was bioleached by a mixture of A. ferrivorans and A. thiooxidans at pH 1.0-1.6 and ambient temperature (23. ±. 2. °C) in 7. days. A pure culture of P. putida (strain WCS361) produced 21.5 (±1.5). mg/L cyanide with 10. g/L glycine as the substrate. This gold complexing agent was used in the subsequent bioleaching step using the Cu-leached (by A. ferrivorans and A. thiooxidans) PCB material, 44.0% of the gold was mobilized in alkaline conditions at pH 7.3-8.6, and 30. °C in 2. days. This study provided a proof-of-concept of a two-step approach in metal bioleaching from PCB, by bacterially produced lixiviants.

AB - An effective strategy for environmentally sound biological recovery of copper and gold from discarded printed circuit boards (PCB) in a two-step bioleaching process was experimented. In the first step, chemolithotrophic acidophilic Acidithiobacillus ferrivorans and Acidithiobacillus thiooxidans were used. In the second step, cyanide-producing heterotrophic Pseudomonas fluorescens and Pseudomonas putida were used. Results showed that at a 1% pulp density (10. g/L PCB concentration), 98.4% of the copper was bioleached by a mixture of A. ferrivorans and A. thiooxidans at pH 1.0-1.6 and ambient temperature (23. ±. 2. °C) in 7. days. A pure culture of P. putida (strain WCS361) produced 21.5 (±1.5). mg/L cyanide with 10. g/L glycine as the substrate. This gold complexing agent was used in the subsequent bioleaching step using the Cu-leached (by A. ferrivorans and A. thiooxidans) PCB material, 44.0% of the gold was mobilized in alkaline conditions at pH 7.3-8.6, and 30. °C in 2. days. This study provided a proof-of-concept of a two-step approach in metal bioleaching from PCB, by bacterially produced lixiviants.

KW - Bioleaching

KW - Copper

KW - Gold

KW - PCB

KW - Secondary resource

KW - Two-step

KW - WEEE

U2 - 10.1016/j.wasman.2015.11.033

DO - 10.1016/j.wasman.2015.11.033

M3 - Article

VL - 57

SP - 149

EP - 157

JO - Waste Management

JF - Waste Management

SN - 0956-053X

ER -