PDF

Kinetic Aspects of Gold and Silver Recovery in Cementation with Zinc Power and Electrocoagulation Iron Process

Gabriela V. Figueroa Martinez, José R. Parga Torres

2012escyanidationelectrocoagulationkineticsgoldsilver

Abstract

Language:

The Merrill-Crowe or Cementation process is employed for the concentration and purification of gold and silver extracted from cyanide solutions. This study investigates the kinetic aspects of traditional cementation and a novel electrocoagulation (EC) technique for recovering precious metals from cyanide solutions. Initially, the fundamentals of both processes are introduced, followed by a comprehensive analysis of the kinetic conditions and outcomes associated with the removal of gold and silver. The solid products generated during the EC process are characterized using X-ray Diffraction and Scanning Electron Microscopy (SEM). Results indicate that cementation using suspended zinc particles follows well-behaved first-order kinetics, while the EC process proves to be an excellent method for the extraction of gold and silver from cyanide solutions using iron electrodes. Notably, the experimental EC reactor successfully eliminated 99.5% of both metals within five minutes. This study reinforces the potential of EC as a rapid and efficient alternative for the recovery of precious metals, positioning it as a favorable option within the field of hydrometallurgy.

Download

Cite This Work

@article{a04a4514-085e-4b4c-973f-ad4163e2a3d2,
  title={Kinetic Aspects of Gold and Silver Recovery in Cementation with Zinc Power and Electrocoagulation Iron Process},
  author={Gabriela V. Figueroa Martinez and José R. Parga Torres},
  year={2012},
  language={es}
}
TY  - JOUR
TI  - Kinetic Aspects of Gold and Silver Recovery in Cementation with Zinc Power and Electrocoagulation Iron Process
AU  - Gabriela V. Figueroa Martinez
AU  - José R. Parga Torres
PY  - 2012
LA  - es
ER  -

Similar Items

Proceedings of the Metallurgical Society of the Canadian Tumilty, J.A. ( WeLib.org )

2026enPDF

Effect of Incorporation of Sulfation in Columnar Modeling of Oxidized Copper Minerals on Predictions of Leaching Kinetics

Elena Bruce, Rossana Sepúlveda

Mathematical modeling of columnar leaching is a useful tool for predicting and evaluating the kinetics of copper extraction. One commonly used model f

2024esPDF

Tariffs, energy contracts, and optimal Distributed Energy Resources investment in campus microgrids

Juan Manuel Alemany, Bruno Bignotti

Large institutional electricity consumers such as university campuses face a planning problem that cannot be reduced to photovoltaic sizing alone. The

2026esPDF

Metallurgical Plant Design and Operating Strategies

P Card, J Canterford

This document presents a collection of papers from the METPLANT 2011 conference focusing on metallurgical plant design and operating strategies. The o

2011enPDF

Plant auditing: a powerful tool for improving metallurgical plant performance

Deepak Malhotra

This work discusses the essential components of a rigorous auditing process aimed at enhancing metallurgical plant performance. The objective is to id

2015enPDF

...

Arthur C. Reardon

This publication, edited by Arthur C. Reardon and published by ASM International®, serves as a comprehensive guide in the field of materials science.

2011enPDF