Compost aeration and ventilation

Ensuring optimal waste fermentation

The Aeration Mode

Aeration is achieved by a blower capable of pushing or pulling air (two rotation directions) through ducts (Stainless Steel or PVC) perforated with orifices. To ensure uniform aeration of the entire material, a programmable controller regulates the air pressure and flow to avoid the creation of preferential air paths in the silo.
Temperature probes placed in the silo trigger the operation of the fans. They are calibrated using reference values entered into the software. This software regulates the volume, duration, and intensity of the forced aeration. The aeration system is sized according to the characteristics of the waste.
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Our tailor-made VAL'ID solution

We offer a tailor-made composting solution that includes fans, aeration ducts, and other necessary equipment.

Our proprietary software VALID-SOFT ensures complete monitoring of each stage of the process, thus guaranteeing traceability upstream and downstream.

Our after-sales service

At VAL’ID, we believe that our work doesn’t stop after installation. That’s why we offer constant support to make your operation autonomous.

We also have a responsive after-sales service that operates both in France and abroad to ensure maintenance and troubleshooting.

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Types of waste

Discover the diversity of compostable waste: agricultural, industrial and municipal, and how to turn it into a valuable resource.

The VAL'ID solution

Explore VAL’ID’s innovative technology for fast, efficient composting without turning, guaranteeing a top-quality product.

Waste maturation

Understand the importance of maturation in composting, a key stage in obtaining rich, fertile compost that is beneficial to agriculture.

Waste recovery

Learn how composting transforms waste into a natural fertilizer, contributing to sustainable agriculture and environmental protection.

What is the purpose of ventilation and aeration in the composting process?

Aeration and ventilation in the composting process are crucial to ensure a homogeneous and efficient decomposition of organic matter. Their primary role is to provide the necessary oxygen to aerobic microorganisms, which catalyze the decomposition of organic waste. A well-designed aeration system is essential to maintain optimal aerobic conditions and avoid the creation of anaerobic conditions, which can lead to the production of bad odors and greenhouse gases like methane.

Advanced Aeration Technology

The aeration system employs a blower capable of pushing or pulling air, thus allowing for precise control of air flow through the waste. The ducts, whether Stainless Steel or PVC, are strategically perforated to distribute air uniformly, avoiding the formation of preferential paths that could leave areas of the silo under-oxygenated.

Automated Regulation and Biomass Temperature Control

A programmable controller controls the air pressure and flow, ensuring uniform aeration. Temperature probes placed in the compost trigger the fans and adjust their operation according to needs. Temperature is a key indicator of the composting process, with optimal temperatures promoting the rapid breakdown of materials and the destruction of pathogens. Automation allows for precise regulation, adapting aeration to the different phases of composting and the specific characteristics of the treated waste.

Impact on Compost Quality

Adequate aeration prevents anaerobic conditions, which can not only slow down the composting process but also produce undesirable by-products. By ensuring uniform oxygenation, the system ensures the formation of a homogeneous compost, rich in nutrients and free of contaminants. This process contributes to the production of a high-quality soil amendment, promoting soil health and supporting plant growth. In summary, aeration and ventilation in composting are not just simple air control mechanisms, but essential elements that directly influence the quality and efficiency of the final compost. Their precise management is a fundamental aspect of a successful composting process, which respects environmental standards while producing high-value agronomic compost.