Wastewater Plant Odor Control Biofilter

The BIO Series Biofilter is engineered for wastewater pumping stations and treatment plants, utilizing “biofilm trickling technology” to eliminate 96% of H₂S, NH₃, and mercaptans. Complies with EPA 40 CFR Part 60 standards, ideal for enclosed spaces like wet wells and sludge dewatering rooms.

Application

  •  Lift Stations: Wet well & screen room ventilation
  • Sewage Pump Houses: Fluctuating H₂S levels (50-2000ppm)
  • Sludge Zones: Thickener and dewatering odor control
  • Pipe Network Hubs: Ventilation system integration

Working Princple

  1. Gas Collection

    • FRP ducts (velocity 1.2-1.8m/s) deliver gases to scrubber

  2. Pre-treatment

    • Water scrubber removes particulates (>5μm, 85% efficiency)

    • Humidity adjusted to 90-95% RH

  3. Biofiltration

    • 3-layer media:

      • Lava rock (porosity≥40%)

      • Bamboo-activated carbon composite (iodine value≥800mg/g)

      • Slow-release nutrient layer

  4. Smart Control

    • PLC adjusts spraying frequency (2-5 cycles/hour)

    • Auto pH balancing (6.5-7.5)

Features

  • Corrosion Resistance
  • Full PP construction (thickness≥12mm), pH 2-12 resistant

  • Load Adaptability

  • Microbial community adapts to 50-3000mg/m³ in 48h

  • Energy Saving

  • Operational cost<$0.08/m³ (65% saving vs chemical scrubbers)

  • IoT Monitoring

  • Real-time H₂S/NH₃ tracking via web-based dashboard

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