Odor Control Biofilter for Feed Processing

The BIO Series Biofilter is designed for odor control in feed processing plants, utilizing biofiltration + trickling technology to remove H₂S, NH₃, and VOCs with ≥95% efficiency. Complies with EPA odor emission standards, suitable for feed mills, livestock farms, and biogas plants. Commonly used materials include SS and FRP.

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Application

Feed Mills: Fermentation & drying process odor control
Livestock Farms: Manure treatment area deodorization
Food Processing: Organic waste gas treatment
Biogas Plants: H₂S removal from biogas

Working Princple

Gas Collection & Pre-treatment
- Odorous gases enter through FRP ducting, passing through a scrubber to remove particulates and adjust humidity (≥95%).
Biofiltration
- Gases flow through multi-layer biofilter media (e.g., lava rock, activated carbon), where microorganisms degrade H₂S, NH₃ into H₂O, CO₂, and sulfates.
- Key reactions: H₂S + 2O₂ → SO₄²⁻ + 2H⁺ NH₃ + O₂ → NO₃⁻ + H⁺
Trickling System Enhancement
- A recirculating spray system distributes nutrient solution (pH 6-8) to maintain microbial activity.
Clean Gas Emission
- Treated gases pass through a demister and meet emission standards (odor concentration ≤1000).

Features

✅ High Efficiency
Robust microbial community adapts to pH 5-9 and temperatures of 10-40℃.
✅ Eco-Friendly
No chemical additives, low energy consumption (≤0.5kW·h/1000m³).
✅ Smart Operation
PLC-controlled spray frequency and nutrient dosing.
✅ Modular Design
Scalable to 50,000m³/h with multiple units in parallel.

Related Tags

biofilter biofiltration biotrickling biotrickling filter Odor Control Biofilter

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Odor Control Biofilter for Feed Processing

Application

Working Princple

Features

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