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HomeCVMR NewsDirect extraction of nickel and iron from laterite ores using the carbonyl process

Direct extraction of nickel and iron from laterite ores using the carbonyl process

Author: CVMR®
Date of publication: 19.08.2013
Reading time: 2 min.
599

Table of contents

  1. Abstract
  2. Keywords

Direct extraction of nickel and iron from laterite ores using the carbonyl process

Abstract

The carbonyl method of refining nickel and iron was invented more than 100 years ago and has been used for refining of nickel commercially. CVMR® developed the process of direct extraction of nickel and iron from laterite ores as metal carbonyls which in turn produced pure nickel and iron metals.

CVMR®’s carbonyl technology has been applied to several types of limonite and saprolite ores containing other metals such as copper, cobalt and PGE. The process consists of reducing the ore with hydrogen, extracting of iron and nickel in the form of volatile metal carbonyls, separating the metal carbonyls and producing high purity nickel and iron metals; and production of copper, cobalt and PGE concentrate by gravity or magnetic separation. Economic evaluation of this process shows significant increase in cash flow. The CVMR® process does not produce liquid waste and does not require tailing dumps. This makes CVMR®’s process attractive for projects in areas that are environmentally sensitive, or have a high level of rainfall.

Keywords

  • Metal carbonyls;
  • Carbonylation;
  • Laterite ore;
  • Reduction;
  • Magnetic separation;
  • Nickel

To view the full article in www.sciencedirect.com, please click here. Download PDF.

Answers to your questions

  • What does CVMR do?

    CVMR refines metals using vapor metallurgy and produces high-purity powders and components for various industries.

  • What metals does CVMR work with?

    CVMR works with over 30 metals, including nickel, cobalt, lithium, rare earth elements, gold, silver, and copper.

  • Who uses CVMR’s products?

    CVMR’s products are used in aerospace, automotive, electronics, medical devices, energy storage, and defense.

  • What is vapor metallurgy?

    It’s a process where metals are vaporized and purified to produce ultra-pure materials with precise control.

  • Is CVMR eco-friendly?

    Yes, CVMR uses sustainable methods like recycling metals, reducing CO₂, and turning methane into graphene.

  • Where is CVMR located?

    CVMR is based in Toronto, Canada, and operates in over 20 countries globally.

  • Who are CVMR’s clients?

    Clients include Pratt & Whitney, U.S. Mint, Virgin Galactic, Barrick Gold, and the U.S. Department of Energy.

  • Does CVMR make battery materials?

    Yes, CVMR supplies lithium, nickel, cobalt, manganese, and vanadium for electric vehicle and storage batteries.

  • What is CVMR’s role in graphene?

    CVMR converts CO₂ and methane into high-quality graphene for electronics, energy, and advanced material use.

  • How do I contact CVMR?

    Visit https://cvmr.ca or email [email protected] for business inquiries and more information.

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