Magnesia Specialties Blog
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Mixed Hydroxide Precipitate (MHP)
March 12, 2026Mixed hydroxide precipitate (MHP) is a key intermediate in producing battery-grade nickel and cobalt. High-reactivity magnesium oxide (MgO) is increasingly used in HPAL circuits to selectively precipitate these metals.
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Dolomitic Lime in Steelmaking
Aug 26, 2025Steel is one of the world’s most important construction materials. Steel is used in almost all aspects of modern life, including buildings, bridges, cargo ships, automobiles, appliances, medical instruments, and many other applications.
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Magnesium Oxide and Nutraceuticals
Mar 4, 2025Nutraceuticals are food-derived products that help prevent and treat certain diseases. According to a November 2022 article in Nutrients, a journal of human nutrition, the word nutraceutical is a combination of “nutrition” and “pharmaceutical.”
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Martin Marietta Magnesia Specialties produces high purity magnesia and dolomitic lime products used worldwide in numerous application areas.
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Magnesium Hydroxide Pulping Applications
Dec 3, 2024Sulfite pulping was discovered by Benjamin Tilghman in 1857. In the Handbook for Pulp & Paper Technologists, Gary Smook describes how Tilghman learned that the presence of a base could reduce the discoloration of the pulp due to sulfurous acid.
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Magnesium Oxide in Fiberglass Applications
July 26, 2024Archaeological evidence indicates that fiberglass has existed since ancient times. The Greeks, Phoenicians, and Egyptians used glass filaments as decoration. However, it wasn’t until the 1930s, when the process was developed for commercial-scale manufacturing, that fiberglass became as ubiquitous as today.
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Magnesium Hydroxide Slurry Metering
Apr 30, 2024The key to magnesium hydroxide slurry handling is to keep the slurry moving so solid particles cannot deposit on the bottom of the tank or pipe. Mechanical agitators are used in storage tanks to keep solids off the bottom and ensure a uniform product.
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Mechanical Agitation of Slurries
Jan 22, 2024Martin Marietta Magnesia Specialties manufactures a high-purity magnesium hydroxide slurry which is used in a wide-variety of applications. With proper storage and handling, utilizing a magnesium hydroxide slurry in your process can be effortless and trouble-free.
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Thermoplastic Polyolefin (TPO)
Oct 30, 2023Thermoplastic polyolefin (TPO) is a white, single-ply roofing membrane. TPO has been around since the 1990’s and is most commonly used on low-slope flat roofs.
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Examining the Numerous Uses of Dolomite and Dolomitic Lime
Jul 18, 2023Dolomite and dolomitic lime are adaptable minerals with a wide range of uses in numerous industries. In the fields of agriculture, steel-making, manufacturing, and environmental treatment, their special makeup and characteristics make them significant resources.
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CellGuard® OP Magnesium Hydroxide Slurry with Deinked Pulp
Mar 2, 2023In 2018, The United States Environmental Protection Agency recorded 46 million tons of paper and paperboard recycled. The reuse of paper reduces: water consumption, carbon emissions, air pollution, deforestation, electricity consumption, oil consumption, and heat energy consumption.
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Marinco® FCC: A High Purity, Food-Grade Magnesium Oxide
Oct 31, 2022Martin Marietta Magnesia Specialties manufactures a food-grade, high-purity magnesium oxide called Marinco® FCC. Magnesium oxide has many uses in food applications, including: Magnesium Supplement, Anti-Caking Agent, Powder Mix Desiccant, Color Retention, and pH Modification.
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Dead Burned Magnesium Oxide (DBM) for Refractory Applications
Jul 20, 2022Refractory materials maintain physical and chemical stability at high temperatures. Dead burned magnesium oxide (DBM), also known as Periclase, which is produced in shaft and rotary kilns at temperatures over 1500oC, has reduced chemical reactivity and therefore is suited to refractory applications.
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Magnesium Oxide as a Crop Nutrient Supplement
Jun 24, 2022Seventeen nutrients have been identified as essential for plant growth. Without these nutrients, plants cannot complete their life cycles. Magnesium (Mg) is considered a "macronutrient" – those of the 17 nutrients required in relatively large quantities.
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Magnesium Oxide Application in Silicon Grain-Oriented Electrical Steel for Transformers
Jun 18, 2022MagChem® 20 SC and MagChem® 50 SC magnesium oxides (MgO) are used in the manufacture of silicon grain-oriented electrical steel (SGOES).
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Treatment of Wet Electrostatic Precipitator (WESP) Effluent Using Magnesium Hydroxide Slurry
May 15, 2022As emission limits tighten, fossil fuel electrical power generation plants are employing wet electrostatic precipitators (WESP) to control pollutants. WESPs generally use this post-combustion emissions control sequence:
SCR → DESP → WFGD → WESP -
High Purity Magnesium Hydroxide, High Purity Magnesium Oxide and Their Applications
May 14, 2022Martin Marietta Magnesia Specialties produces high purity magnesia and dolomitic lime products used worldwide in numerous application areas.
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The Use of Magnesium Oxide as a Viscosity Modifier for Liquid Crystal Display (LCD) Glass
Apr 7, 2022Modern products such as mobile phones, tablets, computer monitors and televisions have created a demand for glass that is ultrathin, but yet of higher strength than traditional glass affords. Glass can be strengthened thermally or chemically. The chemical strengthening of glass arose in the 1960’s.
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Magnesium Oxide as a Viscosity Modifier in Glass Formulations
Apr 4, 2022Martin Marietta Magnesia Specialties MagChem®10–325 is used in the production of glass fibers as a viscosity modifier to keep the viscosity of the glass melt within the desired range for proper formation of the filaments.
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Rubber Grade Magnesium Oxide as an Acid Acceptor for Compounding
Apr 4, 2022Martin Marietta Magnesia Specialties is a manufacturer of many unique and specialty grades of magnesium hydroxide and magnesium oxide. Customers around the globe specify our products.
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Magnesium Oxide as an Acid Acceptor in Rubber Compounding
Mar 20, 2022Thermoset elastomers are vulcanized (cured) to produce a degree of crosslinking between polymer chains. Magnesium oxide impacts the vulcanization process. The key to successful rubber and plastics compounding is the accurate timing of activity – the property that regulates the rate at which magnesium oxide accepts acidic by-products.
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Magnesium Hydroxide Powder as a Non-Halogenated Flame Retardant and Smoke Suppressant
Mar 15, 2022Flame retardants are chemical additives used in plastics, coatings, and other products to inhibit flame sustenance. Magnesium hydroxide powder is used with a plastic resin or similar base material as a non-halogenated flame retardant. This magnesia compound is physically mixed with the resin and other additives.
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High Purity Magnesium Oxide (MgO) for Improved Performance in Cobalt, Nickel and Copper Mining (Hydrometallurgy)
Mar 14, 2022High purity, light burned MagChem®40 magnesium oxide is moderately reactive and uniformly burned to provide a higher recovery of valuable metals such as cobalt, nickel and copper from acid leach solutions. MagChem®40 can improve MgO utilization efficiency and increase the precipitate grade and yield of the metal such as cobalt giving MagChem®40 superior performance in hydrometallurgy over naturally mined magnesia products (i.e. caustic calcined magnesia (CCM)) that have lower MgO purity and slower, non-uniform reactivity.
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Food Grade Magnesium Oxide (MgO) as a Food Additive, Anticaking Agent, Electrolyte and Magnesium Supplement
Mar 12, 2022Food additives contribute to the overall appeal, convenience, nutritive value, and quality of foods. Marinco® FCC food grade magnesium oxide is often used as a food additive for powdered food desiccants (drying agents), color retention, pH modification or as a magnesium mineral supplement or electrolyte. Marinco® FCC is odorless and non-toxic, and meets FCC (9th Edition) requirements for food grade magnesium oxide.
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Magnesium Hydroxide Slurry as a Caustic Soda Replacement and Cellulose Protector in Pulp Bleaching
Mar 5, 2022CellGuard® OP magnesium hydroxide slurry can offer several economic and process benefits in mechanical and chemical pulp bleaching. Cost savings from the reduction or elimination of certain bleach chemicals can be achieved by employing CellGuard® OP as an alternative alkali and cellulose protector.
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Magnesium Hydroxide as a Caustic Soda and Sodium Silicate Substitute and Cellulose Protector in Pulp Bleaching
Mar 3, 2022Magnesium hydroxide can offer economic and process benefits in pulp bleaching. Cost savings from the reduction or elimination of certain bleach chemicals can be achieved by employing CellGuard® MH magnesium hydroxide powder as an alternative alkali and cellulose protector.
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Magnesium Hydroxide Slurry vs. Potassium Hydroxide (Caustic Potash) for Wastewater Treatment
Feb 25, 2022Martin Marietta Magnesia Specialties has received numerous inquiries from customers looking to replace potassium hydroxide (caustic potash) as a source of alkalinity in their wastewater treatment system. Many of these customers initially sought out caustic potash as an alternative to sodium hydroxide (caustic soda) due to discharge limits on sodium. Martin Marietta Magnesia Specialties' FloMag® H magnesium hydroxide slurry is a safer and potentially more cost-effective alkali than either caustic potash or caustic soda.
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How Much Magnesium Hydroxide Alkalinity Do I Need to Add for Wastewater Treatment?
Feb 20, 2022Wastewater Treatment Plant operators use alkalinity as a tool to control and optimize biological activity for efficient wastewater treatment. Proper alkalinity control contributes to expanded water treatment capacity, better permit compliance, cleaner discharge, better use of capital, better process control, lower risk of process upset, and avoids smelly sulfur bacteria!
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Magnesium Hydroxide Slurry for Industrial Wastewater Treatment: Acid Neutralization / pH Adjustment / Alkalinity Supplement
Feb 15, 2022Acidic wastewater effluents are common across a wide spectrum of industrial categories. In a perfect world, industrial users of alkalinity supplements would enjoy unequalled economic and technical benefits.
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Magnesium Hydroxide Slurry as an Alkalinity Supplement in Nitrification of Biological Wastewater Treatment
Feb 11, 2022Industrial processes that produce high ammonia loading in wastewater are common. Biological nutrient removal (BNR) systems employ sequential nitrification/denitrification to convert ammonium into nitrates and harmless N2 gas.
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Magnesium Hydroxide Slurry as an Alkalinity Supplement in Anaerobic Digestion (AD) for Wastewater Treatment
Feb 10, 2022Martin Marietta Magnesia Specialties’ synthetic, high-purity, high-solids stabilized magnesium hydroxide slurry provides our customers with the highest value available. We challenge you to obtain a sample of our FloMag® H magnesium hydroxide slurry and a competitive magnesium hydroxide slurry. Test it yourself and see the Martin Marietta difference!
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Benefits of Using FloMag® H Magnesium Hydroxide Slurry for Wastewater Treatment
Feb 7, 2022Martin Marietta Magnesia Specialties’ synthetic, high-purity, high-solids stabilized magnesium hydroxide slurry provides our customers with the highest value available. We challenge you to obtain a sample of our FloMag® H magnesium hydroxide slurry and a competitive magnesium hydroxide slurry. Test it yourself and see the Martin Marietta difference!
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Magnesium Hydroxide Slurry for Aerobic and Anaerobic Wastewater Treatment
Feb 5, 2022If your stomach has acid indigestion, you can take pharmaceutical grade Milk of Magnesia. If your municipal or industrial processes are troubled by acids, then industrial grade Milk of Magnesia could be the best fix to your problems. Every day, our many and varied customers purchase Martin Marietta Magnesia Specialties’ FloMag® H high solids, stabilized synthetic magnesium hydroxide slurry.
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Magnesium Hydroxide Slurry vs. Lime for Wastewater Treatment
Feb 4, 2022Martin Marietta Magnesia Specialties’ FloMag® H stabilized, high-solids magnesium hydroxide slurry performs all the functions required for biological or inorganic wastewater treatment with safety, efficiency, and economy. But did you know that some magnesium hydroxide slurry customers have seen significant improvements in process operations resulting in a positive impact on operating costs?
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Magnesium Hydroxide Slurry Provides Cost Savings Over Caustic Soda and Hydrated Lime in Wastewater Treatment
Jan 3, 2022Magnesia-based technologies are trusted by many of North America’s major corporations for wastewater neutralization, pH adjustment, and alkalinity supplementation by delivering a compelling envelope of technical, economic, and safety benefits.
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Magnesium Hydroxide Slurry’s Higher Alkalinity vs. Caustic Soda and Hydrated Lime Decreases Wastewater Neutralization Costs
Jan 2, 2022Not all alkalinity agents provide equal treatment. A very important metric in alkalinity technology selection is the amount of alkalinity contributed with each gallon injected into treatment systems.
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An Alternative Alkali: Magnesium Hydroxide Slurry vs. Caustic Soda (Sodium Hydroxide) for Wastewater Treatment
Dec 5, 2021On February 9, 2021, The Washington Post reported that hackers took control of a water treatment system in Oldsmar, FL and managed to increase the dosage of sodium hydroxide (caustic soda) 100-fold.
For more information regarding your application or to place an order, please call 800-648-7400 (inside the U.S.) or +1-410-780-5500. Or, Contact Us with your questions.