Method for the production of a magnesium chloride solution

Details Method for the production of a magnesium chloride solution Method for the production of a magnesium chloride solution

1998-09-23

1999-11-09

Nguyen, Ngoc-Yen

Chemistry of inorganic compounds

Halogen or compound thereof

Binary compound containing metal

423163, 423158, 4231671, C01F 530

Patent

active

059808543

ABSTRACT:
The present invention is concerned with a method for the extraction of magnesium from magnesium-containing materials such as magnesite, dolomite and silicates materials like serpentine residues, products from the amphibole or pyroxene group. The magnesium-containing material is first leached in at least one leaching reactor, and subsequently submitted to a series of neutralizing steps in separate reactors under controlled pH and oxydo-reduction potentials. The slurry produced is filtered to produce a substantially pure magnesium chloride solution containing less than 1 ppm of each contaminant present therein.

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