Gravity concentration of gold in Nambija - Ecuador: The importance of process analysis for recovery success

G. A. Muñoz; I. C. Pazmiño; D. K. Ayala; P. A. Espinosa; P. C. Velásquez

Gravity concentration of gold in Nambija - Ecuador: The importance of process analysis for recovery success

G. A. Muñoz, I. C. Pazmiño, D. K. Ayala, P. A. Espinosa, P. C. Velásquez

Universidad San Francisco de Quito USFQ

Instituto de Investigación Geológico y Energético

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Resumen

Gold has been recovered from the Nambija mining zone by gravity concentration since the discovery of the deposit in 1982. However, important amounts of the precious metal are lost in the tailings from the artisanal gravity concentration process that is being used to recover the gold. For these reasons, a particle size distribution of the gold of the discharge material from the mills that is fed to the gravity concentration devices was conducted. Results showed that the gold particle size is fine, and explains why gold cannot be recovered efficiently by these artisanal gravity concentration devices. A new gold recovery process is being proposed for the mining zone, which includes froth flotation of the tailings after gravity concentration.

Idioma original	Inglés
Estado	Publicada - 2014
Evento	IPMI 38th Annual Conference on Precious Metals 2014: Back to the Future or Back to the Past - Orlando, Estados Unidos Duración: 7 jun. 2014 → 10 jun. 2014

Conferencia

Conferencia	IPMI 38th Annual Conference on Precious Metals 2014: Back to the Future or Back to the Past
País/Territorio	Estados Unidos
Ciudad	Orlando
Período	7/06/14 → 10/06/14

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abstract = "Gold has been recovered from the Nambija mining zone by gravity concentration since the discovery of the deposit in 1982. However, important amounts of the precious metal are lost in the tailings from the artisanal gravity concentration process that is being used to recover the gold. For these reasons, a particle size distribution of the gold of the discharge material from the mills that is fed to the gravity concentration devices was conducted. Results showed that the gold particle size is fine, and explains why gold cannot be recovered efficiently by these artisanal gravity concentration devices. A new gold recovery process is being proposed for the mining zone, which includes froth flotation of the tailings after gravity concentration.",

author = "Mu{\~n}oz, {G. A.} and Pazmi{\~n}o, {I. C.} and Ayala, {D. K.} and Espinosa, {P. A.} and Vel{\'a}squez, {P. C.}",

year = "2014",

language = "Ingl{\'e}s",

note = "IPMI 38th Annual Conference on Precious Metals 2014: Back to the Future or Back to the Past ; Conference date: 07-06-2014 Through 10-06-2014",

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Gravity concentration of gold in Nambija - Ecuador: The importance of process analysis for recovery success. / Muñoz, G. A.; Pazmiño, I. C.; Ayala, D. K. et al.
2014. Papel presentado en IPMI 38th Annual Conference on Precious Metals 2014: Back to the Future or Back to the Past, Orlando, Estados Unidos.

Producción científica: Contribución a una conferencia › Artículo › revisión exhaustiva

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T1 - Gravity concentration of gold in Nambija - Ecuador

T2 - IPMI 38th Annual Conference on Precious Metals 2014: Back to the Future or Back to the Past

AU - Muñoz, G. A.

AU - Pazmiño, I. C.

AU - Ayala, D. K.

AU - Espinosa, P. A.

AU - Velásquez, P. C.

PY - 2014

Y1 - 2014

N2 - Gold has been recovered from the Nambija mining zone by gravity concentration since the discovery of the deposit in 1982. However, important amounts of the precious metal are lost in the tailings from the artisanal gravity concentration process that is being used to recover the gold. For these reasons, a particle size distribution of the gold of the discharge material from the mills that is fed to the gravity concentration devices was conducted. Results showed that the gold particle size is fine, and explains why gold cannot be recovered efficiently by these artisanal gravity concentration devices. A new gold recovery process is being proposed for the mining zone, which includes froth flotation of the tailings after gravity concentration.

AB - Gold has been recovered from the Nambija mining zone by gravity concentration since the discovery of the deposit in 1982. However, important amounts of the precious metal are lost in the tailings from the artisanal gravity concentration process that is being used to recover the gold. For these reasons, a particle size distribution of the gold of the discharge material from the mills that is fed to the gravity concentration devices was conducted. Results showed that the gold particle size is fine, and explains why gold cannot be recovered efficiently by these artisanal gravity concentration devices. A new gold recovery process is being proposed for the mining zone, which includes froth flotation of the tailings after gravity concentration.

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Gravity concentration of gold in Nambija - Ecuador: The importance of process analysis for recovery success

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