The article contains sections titled: 1. Introduction 2. Properties 3. Raw Materials 4. Production 4.1. Extraction by Electrolysis 4.1.1. Preparation of Magnesium Chloride Cell Feed 4.1.1.1. Chlorination of Magnesia and Magnesite 4.1.1.2. Dehydration of Aqueous Magnesium Chloride Solutions 4.1.1.3. Dehydration of Carnallite 4.1.2. Electrolysis 4.1.2.1. Technical Data 4.1.2.2. Electrolytic Cells 4.2. Thermic Reduction Processes 4.3. Refining and Casting 4.4. Particulate Magnesium 5. Environmental Aspects 6. Quality Specifications 7. Uses 8. Economic Aspects 9. Toxicology and Occupational Health 10. Safety

Norsk Hydro has been continuously engaged in development of magnesium electrolysis all since the start of production in Porsgrunn, Norway, in 1951. The first technology was inherited from IG Farben. Later, Norsk Hydro has developed its own diaphragmless electrolyser, now being used for a number of years in the Norsk Hydro's plants in Porsgrunn as well as in Becancour (Quebec), Canada.

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