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Published in:
Analysis on Energy Efficiency and Optimization of HIsmelt Process Read chapter Read first chapter

2019 | OriginalPaper | Chapter

Effect of pH and Potential in Chemical Precipitation of Copper by Sodium Dithionite

Authors : I. A. Anes, A. B. Botelho Junior, D. C. R. Espinosa, J. A. S. Tenório

Published in: Energy Technology 2019

Publisher: Springer International Publishing

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Abstract

The aim of this work was to study the effect of pH and potential in copper precipitation from nickel laterite leach solution. A synthetic solution was prepared to simulate the real conditions and sodium dithionite was used as reducing agent. The effect of pH was studied between pH 0.50 and 3.50. Sodium dithionite 1 mol/L was added to decrease the potential. The stirring speed was 45 rpm and reaction time was 45 min. Results indicated that copper precipitation decreased when pH increases. Copper precipitation was selective in 240 mV at pH 0.50–1.50. Co-precipitation was observed in experiments performed in pH above 2.00.

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previous chapter Determination of Limiting Current Density, Plateau Length, and Ohmic Resistance of a Heterogeneous Membrane for the Treatment of Industrial Wastewaters with Copper Ions in Acid Media
next chapter Study of Separation Between CO with H2 on Carbon Nanotube by Monte Carlo Simulation in Aluminum Smelter
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Metadata
Title
Effect of pH and Potential in Chemical Precipitation of Copper by Sodium Dithionite
Authors
I. A. Anes
A. B. Botelho Junior
D. C. R. Espinosa
J. A. S. Tenório
Copyright Year
2019
Book
Energy Technology 2019

Print ISBN: 978-3-030-06208-8

Electronic ISBN: 978-3-030-06209-5

Copyright Year: 2019

DOI
https://doi.org/10.1007/978-3-030-06209-5_17