*Custom made is possible

What is Magnesium Oxide?

Magnesium Oxide is produced by the calcination of magnesite (MgCO₃) or through seawater-based processes. The resulting material can be processed into powders, granules, or spherical balls for various end uses.

Key Properties of Magnesium Oxide:

• Chemical Formula: MgO

• Appearance: White or grayish-white solid

• Melting Point: ~2,852 °C

• Density: 3.58 g/cm³

• Solubility: Insoluble in water, soluble in acids

Applications of Magnesium Oxide

1. Steelmaking and Metallurgy

• Neutralizes acidic slag.

• Protects refractory linings.

• Reduces production costs.

2. Environmental Protection

• Used in wastewater treatment to neutralize acidity.

• Removes heavy metals and impurities.

• Applied in flue gas desulfurization.

3. Construction and Building Materials

• Ingredient in magnesium oxide boards.

• Strengthens cement and mortar.

• Provides fire resistance.

4. Agriculture

• Serves as a magnesium fertilizer.

• Improves soil pH.

• Enhances plant growth.

5. Refractory and Ceramic Industry

• Used in high-temperature bricks and crucibles.

• Provides durability in kiln linings.

• Acts as a stabilizer in ceramic glazes.

Usage Recommendations

Steelmaking

• Dosage: 5–15 kg MgO per ton of steel.

• Add directly to molten slag during refining.

• Mix evenly with other fluxes for best performance.

Wastewater Treatment

• Dosage: 1–5 g/L depending on acidity.

• Add slowly to neutralization tanks with stirring.

• Smaller particle size recommended for quicker dissolution.

Construction

• Mix MgO powder into cement at 5–10% ratio.

• Store in dry areas to avoid premature hydration.

• Ensure uniform blending for consistent strength.

Agriculture

• Apply 50–200 kg per hectare, depending on soil condition.

• Use granulated MgO for controlled release.

• Combine with organic fertilizers for enhanced results.

Quick Installation Guide

Magnesium Oxide often requires preparation before application. Below is a simplified quick installation guide for major uses:

Troubleshooting Guide

Despite its stability, improper use of Magnesium Oxide can lead to inefficiency. Below is a troubleshooting table:

Safety Operating Procedures

Magnesium Oxide is generally safe, but certain precautions should be followed:

Personal Protective Equipment (PPE)

• Wear safety goggles and gloves.

• Use dust masks when handling powder.

• Ensure proper ventilation in storage areas.

Storage Guidelines

• Store in a cool, dry, and ventilated environment.

• Avoid direct exposure to moisture.

• Use palletized packaging to prevent contamination.

Handling Precautions

• Avoid creating dust clouds.

• Use mechanical systems for bulk transfer.

• Clean spills with dry methods (not water).

Disposal

• Dispose of spent MgO according to local environmental regulations.

• Recycle waste where applicable, such as in cement production.

Advantages of Magnesium Oxide

1. High Thermal Resistance – Withstands temperatures above 2,800 °C.

2. Versatile Applications – Applicable in metallurgy, agriculture, construction, and environmental protection.

3. Cost-Effective – Efficient dosage reduces overall material consumption.

4. Eco-Friendly – Non-toxic and recyclable.

5. Controlled Reactivity – Suitable for gradual or rapid neutralization depending on particle size.

Frequently Asked Questions (FAQ)

Q1: What is the difference between light-burned and dead-burned MgO?
A1: Light-burned MgO has higher reactivity, ideal for agriculture and wastewater treatment, while dead-burned MgO is less reactive, used in refractory and steelmaking.

Q2: Can MgO replace lime in wastewater treatment?
A2: Yes, MgO often provides more stable pH adjustment and generates less sludge.

Q3: How do I prevent hydration during storage?
A3: Store in moisture-proof packaging and keep in dry warehouses.

Q4: What particle size should I choose?
A4: Use smaller granules or powders for rapid reaction (e.g., wastewater) and larger granules for longer-lasting performance (e.g., refractories).