Tandem Extraction of Gold (I) from Cyanide Leaching Solution by Weak-Strong Alkaline Anion Exchange Fiber

Xiao Qian Shang; Ming Yu Li; Qing Xuan Zeng; Chang Gen Feng

doi:10.4028/www.scientific.net/AMR.634-638.1850

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Cluster Structures and Evolution in Liquid Al-Pb Alloys
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Interfacial Microstructure Investigation of Diffusion Bonded New Ni-Cr-W Superalloy Using Cu Interlayer
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 634-638Tandem Extraction of Gold (I) from Cyanide...

Tandem Extraction of Gold (I) from Cyanide Leaching Solution by Weak-Strong Alkaline Anion Exchange Fiber

Abstract:

The objective of the study is separating the gold (I) and its coexistence base metals from cyanide leaching solution by homemade weak and strong alkaline anion exchange fiber inseries, by using their selectivity and the adsorption capacity, respectively. The optimal conditions of the adsorption/elution are as follows: for WAAEF, the suitable flow rate of the adsorption is 61.4 BV/h, and the loading density is 0.262 g/cm3; for SAAEF, the suitable flow rate of the adsorption is 872.2 BV/h, and the loading density is 0.202 g/cm3. A mixture of 2.5 mol/L NH4SCN with 0.1 mol/L NaOH is chosen as the gold (I) eluent, and the eluention flow rate is 96.9 BV/h. The conclusion is that the homemade fibers could be used inseries to extract the gold (I) from cyanide leaching solution.

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Periodical:

Advanced Materials Research (Volumes 634-638)

Pages:

1850-1854

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.634-638.1850

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Online since:

January 2013

Authors:

Xiao Qian Shang, Ming Yu Li, Qing Xuan Zeng, Chang Gen Feng

Keywords:

Alkaline Anion Exchange Fiber, Copper (I), Cyanide Leaching Solution, Gold (I)

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