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Other Activities Waste to Energy Incineration Plant

NaHCO3 Solvair®
Active Carbon / Lignite
Ca(OH)2*MgO

Pre-ground SOLVAir® Sodium Bicarbonate and Active Carbon or Lignite Coke for Other Activities Waste to Energy Incineration Plant

Waste-to-energy plants are vital tools for waste management, reducing its volume through combustion. These processes, while essential, release hazardous pollutants into the atmosphere from the combustion of various materials, such as plastics and chemicals. The gases emitted contain substances such as sulfur oxides (SOx), hydrochloric acid (HCl), hydrofluoric acid (HF), dioxins, furans, and heavy metals such as mercury, lead, and cadmium, creating significant environmental and public health problems. To keep emissions within legal limits, it is essential to adopt advanced flue gas treatment technologies, including the combined use of Solvay SOLVAir® pre-ground sodium bicarbonate, activated carbon, or lignite coke, with the option of adding magnesium lime.

Solution with Pre Ground SOLVAir® Sodium Bicarbonate plus Active Carbon or Lignite Coke

Solvay SOLVAir® pre-ground sodium bicarbonate helps neutralize acids in flue gases by converting them into solid, stable salts, while activated carbon or lignite coke, thanks to their remarkable adsorption capacity, are particularly effective at absorbing heavy metals and other pollutants present in flue gases. This methodology involves carefully injecting these additives through two separate dosers to ensure optimal precision in releasing the materials, thus achieving highly effective flue gas purification and compliance with current environmental standards.

Magnesium Lime

The use of Magnesium Lime in the combustion chamber, especially in certain types of systems, offers significant advantages as it effectively neutralizes acids even at low concentrations, supporting the neutralization action of bicarbonate. Like activated carbon or lignite coke, Magnesium Lime can bind various pollutants, including heavy metals, significantly improving filtration efficiency and making it an excellent choice as an optional additive alongside bicarbonate and activated carbon or lignite coke.

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 Metaltek Dosers Specialized for Active Carbon or Lignite Coke Metaltek Dosers Specialized for Magnesium Lime

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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 sodium bicarbonate, activated carbon, lignite coke and magnesium lime , 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 Other Activities Waste to Energy Incineration Plant

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Flue Gas Cleaning with Pre-ground Solvay SOLVAir® Sodium Bicarbonate, Active Carbon or Lignite Coke and Magnesium Lime

FAQ

What are the main pollutants found in flue gases from waste-to-energy plants treating residual waste from other activities?

Flue gases include acids such as SOx, HCl, HF, as well as dioxins, furans, and heavy metals like mercury, lead, and cadmium, all of which require effective treatments to minimize risks to health and the environment.

Why use pre-milled sodium bicarbonate and activated carbon/lignite coke for flue gas purification in waste-to-energy plants for residual waste from other activities?

Pre-milled sodium bicarbonate neutralizes the acids present in the flue gases, transforming them into less hazardous salts, while activated carbon/lignite coke captures toxic metals and other harmful substances, thereby purifying the flue gases from pollutants.

How does sodium bicarbonate assist in the waste-to-energy process?

By reacting with acids such as HCl and HF present in the flue gases, sodium bicarbonate forms harmless salts (NaCl, NaF), thereby reducing the acidity of the flue gases and decreasing the environmental impact of emissions.

What is the role of activated carbon and lignite coke in flue gas purification?

These materials are essential due to their strong adsorptive capacity, which allows for the effective removal of heavy metals and other hazardous substances from flue gases. This is made possible by the porous structure typical of these materials, which enables the interception and adsorption of pollutant molecules suspended in the gases.

What benefits does Magnesium Lime offer in flue gas purification?

Magnesium Lime increases the acid-neutralizing capacity of flue gases when used together with sodium bicarbonate, significantly improving filtration quality and compliance with environmental regulations. Additionally, similar to activated carbon and lignite coke, it is also capable of absorbing a small proportion of heavy metals and other suspended materials.

Are activated carbon and lignite coke interchangeable?

It depends on the specific context; activated carbon is generally more effective for a wide range of contaminants and can function under any temperature conditions. Lignite coke, on the other hand, may be preferred for cost considerations, but it can only be used in plants operating at temperatures below 200°C.

What are the differences between Sodium Carbonate and Sodium Bicarbonate?

Sodium carbonate has a higher capacity to neutralize acids compared to sodium bicarbonate because it is more alkaline. However, when sodium bicarbonate reacts with acids, decomposing into activated sodium carbonate, it produces a more porous surface, increasing efficiency, particularly at lower temperatures.

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