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NaHCO3 Solvair®

Pre-ground SOLVAir® Sodium Bicarbonate for Mineral Whool Production Industry

The manufacturing of mineral wool, including products such as glass wool and rock wool, requires the use of high-temperature processes to melt and shape the minerals and glass. This industrial setting produces polluting fumes, particularly sulfur oxides (SOx). To comply with current environmental regulations and reduce the environmental impact of production activities, the implementation of fume treatment and purification systems is critical.

Solution with Pre Ground SOLVAir® Sodium Bicarbonate

An efficient flue gas purification strategy during mineral wool manufacturing is based on the use of Solvay SOLVAir® pre-ground sodium bicarbonate. This approach allows the pre-ground material to be injected directly into the exhaust gases with great accuracy and control using a dedicated dosing device. The sodium bicarbonate chemically reacts with the sulfur oxides present in the flue gas, converting them into harmless solids. The resulting residues can then be easily collected and disposed of, thus improving the quality of the air released into the atmosphere.

Design and Realization

MetalTek specializes in the design and manufacture of high-quality mills and feeders with top-quality components. Our equipment is available in various configurations, and upon request, we can design customized loading and injection solutions for every need.

Metaltek Dosers Specialized for SOLVAir® Pre-ground Sodium Bicarbonate

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Metaltek Services: Assistance, Maintenance and Monitoring

Assistance, Maintenance and Monitoring Services on existing systems

Metaltek, with thirty years of experience in the sector, supplies cutting-edge systems for the purification of industrial fumes, designed to guarantee reliability, continuous efficiency and compliance with environmental regulations.

Thanks to our team of highly specialized consultants and designers, we create customized solutions that optimize the use of pre-ground sodium bicarbonate, active carbon and lignite coke, reducing operating costs and waste. We offer timely assistance, professional analyses, teams equipped to work at heights and in confined spaces, and a constantly stocked spare parts warehouse. The quality and robustness of our systems, combined with global technical support and our Tek Lab analysis service make them ideal for flue gas purification where precision, reliability, and service continuity are essential.

Tek Lab by Metaltek: the exclusive fixed and mobile analysis laboratory for monitoring, testing and innovation

Tek Lab: Analysis and Innovation Laboratory

Tek Lab by Metaltek is a leader in the analysis of industrial fumes and residues. A cutting-edge technology to detect and address issues with overdosing or problems related to excess acids, dioxins, or other harmful compounds. It offers both on-premises analysis and on-site monitoring and analysis with its mobile laboratory.

Quality Products and exclusive Metaltek Services: a benchmark, the state of the art of Mineral Whool Production Plants

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Flue Gas Cleaning with Pre-ground Solvay SOLVAir® Sodium Bicarbonate

FAQ

What are the main contaminants released during the manufacture of mineral wool?

The flue gases emitted during the production of mineral wool are particularly rich in sulfur oxides (SOx), originating from impurities found in the minerals and materials exposed to the high temperatures required for their processing. These substances, if released into nature without proper treatment, could cause significant damage to the environment and human health, underscoring the need for effective purification systems such as dosing with pre-milled Sodium Bicarbonate.

Why is pre-milled sodium bicarbonate used for flue gas treatment in mineral wool production?

During the melting and handling of materials to produce mineral wool, pollutant flue gases containing sulfur oxides (SOx) are generated. Pre-milled sodium bicarbonate acts as an effective alkali in reactions with these acidic gases, producing simple-to-manage solid residues. By using a dosing system for the pre-milled additive, the flue gas treatment becomes more controllable, reducing environmental impact and improving purification.

What are the differences between Sodium Carbonate and Sodium Bicarbonate in acid abatement?

The main difference between Sodium Carbonate and Sodium Bicarbonate lies in their mechanisms of action against acids in industrial flue gases. Sodium Carbonate, being more alkaline, is effective against a broad spectrum of acids. On the other hand, Sodium Bicarbonate decomposes in the presence of acids releasing CO2 and water, generating an activated and more porous form of Sodium Carbonate that enhances the efficiency of neutralization, especially in low-temperature conditions.

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