Magnesium oxide

White, powdery solid with high melting point.

Magnesium oxide, commonly known as magnesia, is a white, odorless, and tasteless powder. It has a high melting point and is insoluble in water. It is a refractory material, exhibiting excellent heat resistance and electrical insulation properties. It finds applications in ceramics, construction materials, and as a supplement in medicine.

Energy Sector

Magnesium oxide, although not directly utilized in oil and gas extraction or refining processes, has indirect applications in the industry. One such application is as a refractory lining material. It is used to line high-temperature equipment like kilns, furnaces, and incinerators, which play vital roles in various stages of oil and gas refining and petrochemical processes. Additionally, magnesium oxide can serve as a catalyst support, providing a stable surface for catalysts involved in oil and gas refining reactions like hydrocracking or catalytic reforming. In the environmental realm, magnesium oxide finds use in treating wastewater generated during oil and gas operations, neutralizing acidic or alkaline wastewater and aiding in pH control for compliance with environmental regulations. Furthermore, it can act as an additive in drilling mud formulations, enhancing fluid properties and stability during drilling operations. While these applications may not be as prevalent as in other industries, magnesium oxide’s high-temperature stability, refractory properties, and pH control capabilities make it useful in specific aspects of the oil and gas sector.

Water Treatment

Magnesium oxide is widely utilized in water treatment processes, playing a crucial role in enhancing water quality. One important application is pH adjustment, where magnesium oxide acts as a pH stabilizer, helping to neutralize acidic or alkaline conditions and maintain the desired pH range. Additionally, it serves as a coagulation aid, assisting in the aggregation of suspended particles for their removal through sedimentation or filtration. Magnesium oxide also proves valuable in the removal of heavy metal ions from water, as it can precipitate and bind with metals such as lead, cadmium, and mercury. Moreover, it finds application in sludge conditioning, improving dewatering and reducing sludge volume. Magnesium oxide acts as a pH buffer, ensuring stable pH levels, and contributes to alkalinity adjustment when necessary. Overall, magnesium oxide plays a diverse and important role in water treatment, optimizing processes such as pH control, coagulation, heavy metal removal, sludge management, and alkalinity adjustment, all crucial for ensuring the safety and quality of treated water.

CAS No.: 1309-48-4


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