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  • Magnesium oxide, or magnesia, is a white solid mineral that occurs naturally as periclase and is a source of magnesium. See also oxide. It has an empirical formula of MgO. It is formed by an ionic bond between one magnesium and one oxygen atom.
  • The majority of magnesium oxide produced today is obtained from the processing of naturally occurring minerals such as magnesite (magnesium carbonate), magnesium chloride rich brine, and seawater.
  • Sources include Sea water and lake brine , Carnalite , Dolomite , Serpentine  Magnesite .
  • The total energy required to produce one tonne of magnesium is around 35 to 40 MWhour for both the electrolytic and thermal routes. The electrolysis only step component ranges down to just 12 MWhour per tonne with the latest technology with the balance being thermal energy including that required for the production of lime, drying and billet production. The thermal reduction processes as described below requires a higher proportion of electrical energy with approximately the same amount of energy. The electrolytic route will benefit from integration with a petchem project that could consume the chlorine by-product. 
  • Three basic types or grades of "burned" magnesium oxide can be obtained from the calcination step with the differences between each grade related to the degree of reactivity remaining after being exposed to a range of extremely high temperatures.
  • Magnesium oxide is used as a basic refractory material for lining crucibles, principal ingredient in construction materials , optical material, electrical heating industry., animal feeding industry , magnesium supplement.
  • Industrial Uses of Magnesium Oxide includes Abrasives, Animal feed supplement, Boiler (oil-fired) additives, Boiler feedwater treatment, Chemicals, Coatings, Construction, Electrical, Fertilizers, Foundries, Glass manufacture, Insulation, Lubricating oils, Pharmaceuticals, Plastics manufacture, Refractory and ceramics, Rubber compounding, Steel industry, Sugar refining, Sulfite wood pulping, Uranium, gallium and boron processing, Wastewater treatment.
  • In the United States and Europe, the largest captive end use for magnesium chloride is in the production of magnesium metal. The largest merchant end uses for magnesium chloride are for dust control and deicing.
  • China is the largest producer of magnesium oxide from natural magnesite, accounting for more than one-third of the magnesium oxide produced in 2006. Large mineral deposits of magnesite are located in China, the Democratic People’s Republic of Korea and Russia. 
  • In 2006, these countries accounted for over 50% of global magnesite production. China’s abundant magnesite deposits result in most of its domestic producers’ manufacturing magnesium chemicals from this natural ore. Most companies produce refractory or fused magnesia from local magnesite.
  • The largest end use for magnesium hydroxide is in wastewater treatment and flue gas desulfurization. Ease of handling, increasing environmental markets and the high price level of caustic soda have spurred demand in these applications over the past five years. This trend is expected to continue during the forecast period 2006–2011.
  • The majority of the magnesium oxide produced worldwide is consumed as refractory magnesia. The primary use of refractory magnesia is in furnace linings in the iron and steel industry.
  • Current world consumption of magnesium metal and magnesium alloys is in excess of 450,000 tonne per annum. Market projections indicate that consumption will increase rapidly to over 500,000 tonne per annum.
  • The anticipated market requirement for these specialist alloys is such that some of the less economically viable producers of low grade magnesium metal and magnesium alloys will be forced to either upgrade their production techniques or terminate production.
  • Of the various applications of magnesium and its alloys, die casting is the fastest growing sector of magnesium consumption. For example, die casting applications specific for the automotive industry are expected to increase by about 8 – 10% per annum over the next decade. 2006 estimates are 175,000 metric tonnes.
 General Information
  • Information on Magnesium oxide
  • Magnesium Oxide Identification
  • Magnesium Oxide Dice
  • Formation of Ionic Magnesium Compounds
  • The Mineral Periclase
  • Magnesium Oxide Drug Information

Production and Process

  • Production of Magnesium Oxide
  • XRF's Role in the Production of Magnesium Metal By the Magnethermic Method
  • Production Processes
  • Enthalpy of Formation of Magnesium Oxide
  • Manufacture of Magnesium Oxide from Sea Water


  • Magnesium Oxide Insulation Characteristics
  • Elastic and Rheological Properties of Magnesium Oxide at High Pressure and High Temperature
  • Properties of Molten Magnesium Oxide
  • Physical Properties of MgO
  • Thermodynamic Properties of Magnesium Oxide and Beryllium Oxide


  • The Effect of Neat Magnesium Oxide as Expanding Additive on Cement Shear Bond Strength at High Temperature up to 2500C
  • Spray Pyrolysis Deposition and Characterization of Highly (100) Oriented Magnesium Oxide Thin Films
  • Synthesis of Magnesium Oxide as ATP Precursor and a Matrix for Abiogenic Origin of Life
  • Packed Bed Reactor Demonstration of Magnesium Oxide/Water Chemical Heat Pump

Company Profiles

  • Baymag Inc
  • Crystran Ltd
  • ICL Industrial Products
  • Nedmag Industries
  • Premier Chemicals
  • Solvay Chemicals
  • Tateho Chemical Industries
  • Causmag International


  • Agri-Nutrition Consulting, Inc.
  • Bio-Ag Consultants & Distributors Inc.
  • Experts in magnesium oxide
  • George C. Hawley & Associates
  • Rust Bullet

Material Safety Data Sheet

  • AmphoMag
  • Magox 93 HR 150
  • Magnesium oxide
  • Magnesium Oxide and Aluminum Oxide Insulation Products
  • Metal Oxide
  • Baymag Magnesium Oxide
  • Magnesium oxide fume


  • Method for Improving Magnesium Oxide Steel Coatings
  • Process for Producing Magnesium Oxide
  • Modified Magnesium Oxide Catalyst
  • Animal Feed Block Containing Magnesium Oxide
  • Magnesium Oxide Process
  • Process for the Production of Magnesium Oxide from Brine or Bittern
  • Production of Magnesium Oxide from Magnesium Silicates by basic Extraction of Silica


  • High Density Magnesium Oxide Grade HRM
  • Magnesium Oxide Board
  • Buffered Magnesium Oxide Hypoallergenic
  • Dynamag® K
  • Elastomag Magnesium Oxide
  • Magnesium Oxide Light
  • MagChem Grades of Magnesium Oxide
  • Mag-Tab SR - Sustained Release Magnesium
  • NanoActive® Magnesium Oxide
  • SPI Supplies Brand® MgO Magnesium Oxide Single Crystal Substrates, Blocks, and Optical Components
  • Inclined Substrate Deposition of Magnesium Oxide for YBCO-Coated Conductors
  • Periodic Poling of Magnesium Oxide-Doped Lithium Niobate
  • Elektron Refining Technologies
  • Activated Sintering of Magnesium Oxide Obtained from Sea Water
  • Solid Oxide Membrane Process for Magnesium Production Directly from Magnesium Oxide
  • Thermal Conductivity of Magnesium Oxide From Absolute, Steady-State Measurements


  • High Purity Magnesia for Chemical Applications
  • Carbon Steel and Magnesium Oxide Dissolution for H-Canyon Process Applications
  • Planned Emplacement of Magnesium Oxide in the WIPP Repository
  • Reactive Sputtering of Magnesium Oxide Thin Film for Plasma Display Panel Applications
  • Specialty Magnesia Products for Polymer Applications
  • Modelling of Magnesium Oxide Application for Struvite Precipitation
  • Agricultural Applications


  • World Consumption of Magnesium Oxide- 2006
  • Magnesium Compounds Statistics U.S. Geological Survey
  • Nanophase Technologies Announces Commercial Availability of NanoArc(R) Magnesium Oxide Nanomaterial
  • Frequently Asked Questions about Magnesium Oxide


  • Quay Magnesium Annual Report 2006
  • Magnesium and Magnesium Oxide in Australia
  • Washington Group International Report
  • Large-Dose Intravenous Methotrexate Induced Cutaneous Toxicity
  • Compleximetric Determination of Magnesium Oxide using EDTA
  • National Energy Research Scientific Computing Center 2004 Annual Report

Plant and Projects

  • Quay Magnesium Limited
  • Dead Sea Magnesium Oxide Plant
  • Magnesium Oxide Plant Seamlessly Migrates to Experion
  • Activated Sintering of Magnesium Oxide
  • Bench-scale apparatus demonstration of a magnesium oxide/water chemical heat pump
  • Mount Brussilof Magnesite Project
  • Development of a Magnesium Oxide/Water Chemical Heat Pump
  • Science Project- Magnesium Research
  • Waste Minimisation through sustainable magnesium oxide cement products


  • Magnesium Oxide Suppliers
  • Magnesium Oxide China Suppliers
  • Exporters of Magnesium Oxide
  • Foreign Exporters & Manufacturers
  • Indian Exporters & Manufacturers
  • Magnesium Oxide Manufacturers & Suppliers
  • Selling Leads of Magnesium Oxide
  • Magnesium Oxide Sellers
  • Magnesium Oxide Exporters


  • Importers of Magnesium Oxide
  • Magnesium oxide Buyers List
  • Foreign Importers & Buyers
  • Indian Importers & Buyers


  • Guidance on Best Available Techniques for Magnesium Production
  • Drug Guide: Magnesium Oxide Overview
  • Occupational Health Guideline for Magnesium Oxide Fume

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Primary Information Services
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