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Solex moving bed heat exchange technology is capable of handling any relatively free-flowing powder or crystalline bulk solids, making it the perfect candidate to cool biosolids such as:
- Sludge granules
- Sludge pellets
- Wood chips
- Wood pellets
For biosolids such as sludge granules and pellets, the material must be stabilized following the mechanical heating and drying process to prevent decomposition and possible smoldering or auto ignition. Solex accomplishes this stabilization by cooling the biosolids indirectly via conductivity, thus preventing fires or explosions in the subsequent handling and storage stages, as well as ensuring each particle is thermally stable through its core.
For other biosolids such as wood pellets, the cooling stage represents a critical step that requires the ability to accurately and evenly reduce temperatures and moisture levels while avoiding breakages and the production of additional fines.
Refer to our cooling page to understand how the Solex heat exchange technology works to cool biosolids.
Maximize energy efficiency
Our heat exchange technology uses indirect heat transfer by conduction to reduce energy requirements by up to 90% (compared compared to direct cooling methods). Biosolids move slowly through the vertical heat exchanger while a cooling fluid moves counter-currently within the plates. This avoids the need to energetically mix the bed of material through large horsepower electric drives, big motors and other energy-consuming equipment.
Accurate & uniform temperature profile
Solex heat exchange technology ensures optimal product temperature at the outlet to the required parameters of 3-5°C above room temperature and moisture content between acceptable ranges. The even distribution of heat transfer to every pellet has multi-fold advantages, from mitigating spoiled product to creating a safe handling environment during storage and transport.
- Near-zero emissions
- No product abrasion and degradation
- Lower installation footprint
- Low maintenance
- Low operating costs
- International support
Contact us today
We collaborate closely with you throughout the entire life cycle of the product.
Our approach includes being there every step of the way – from engineering and development to installation, training and ongoing support.
Improve your efficiency, lower costs and improve your end product with the world’s most efficient technology for biosolids. Learn more about how we can help.
How Can We Help?
Request a quote, ask a question or arrange a consultation. We will have the most qualified team for your application get back to you within one business day.
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