GFS tanks exhibit excellent chemical alkaline and corrosion resistance, as well as superior abrasion resistance. These qualities make them an ideal choice for those considering building a wastewater treatment tank.

Wansheng Environmental Tanks have proven to be very effective in a variety of anaerobic treatment scenarios. They excel in the following applications:

- UASB

- CSTR

- IC

- EGSB

- AO

- AAO

ect.

Anaerobic digester tanks are sealed, temperature-controlled vessels designed to break down organic waste (e.g., sewage sludge, food scraps, agricultural manure) without oxygen. Using Glass Fused to Steel (GFS) technology—combining carbon steel’s structural strength with a vitreous enamel glass coating—these tanks resist corrosion, gas leakage, and chemical degradation, making them ideal for converting waste into renewable biogas (methane-rich fuel) and nutrient-rich digestate. Custom GFS Tanks designed for Anaerobic digester applications please contact us!

Why Choose GFS Anaerobic Digester Tanks?

Superior Corrosion Resistance

Organic waste produces acidic byproducts (e.g., volatile fatty acids) and sulfides that corrode traditional steel or concrete tanks. GFS tanks’ glass-fused coating acts as an inert barrier, preventing rust and extending the tank’s lifespan to 25–30 years (vs. 10–15 years for unprotected steel).

Maximized Biogas Production

The smooth, non-porous glass surface minimizes waste adhesion, ensuring efficient mixing and microbial activity. This boosts biogas yields by 15–20% compared to rough-surfaced tanks, maximizing energy recovery from waste.

Sealed & Safe Design

GFS tanks are fully sealed to prevent methane leaks (a potent greenhouse gas) and odors, meeting strict emission standards (e.g., EU Methane Strategy, EPA 40 CFR). They also resist internal pressure (up to 0.6 MPa) and external impacts, ensuring safe operation.

Customizable for Diverse Waste Streams

Whether processing municipal sewage sludge, food processing waste, or agricultural manure, GFS tanks adapt to your needs:

• Temperature Control: Insulated jackets for mesophilic (30–40°C) or thermophilic (50–60°C) digestion.

• Mixing Systems: Mechanical agitators or gas recirculation for uniform waste breakdown.

• Capacity: From 50m³ (small farms) to 5,000m³ (municipal plants).

Cost-Effective Long-Term

Lower maintenance (no frequent coating repairs), reduced waste disposal costs, and biogas revenue (sold to grids or used on-site) make GFS anaerobic digesters a smart investment.

Top Applications of Anaerobic Digester Tanks

• Municipal Wastewater Treatment: Digest sludge from sewage plants to reduce waste volume and generate biogas for plant operations.

• Agriculture: Process livestock manure, crop residues, and food waste to produce renewable energy and nutrient-rich fertilizer.

• Food & Beverage Industry: Treat organic byproducts (e.g., brewery spent grains, dairy whey) to minimize landfill use and offset energy costs.

• Industrial Biosolids: Convert chemical manufacturing or pulp/paper mill sludge into biogas, reducing reliance on fossil fuels.

  
  

Key Features of Our Anaerobic Digester Tanks

How to Choose the Right Anaerobic Digester Tank

When selecting a tank, consider these critical factors:

• Waste Type: High-sulfide waste (e.g., food processing) requires specialized coatings to resist acid attack.

• Feedstock Volume: Match the tank size to your daily waste input (e.g., 100m³ for a small farm with 500 livestock).

• Temperature Requirements: Thermophilic digestion (faster but energy-intensive) vs. mesophilic (slower but lower cost).

• Biogas Use: On-site energy (boiler/heating) vs. grid injection (requires biogas purification systems).

• Space & Installation: Cylindrical (space-efficient) or rectangular (easier access) designs available.

  
  

FAQs About Anaerobic Digester Tanks

• Q: How long does it take to start producing biogas after tank installation?
     A: Typically 2–4 weeks for microbial colonization, depending on waste type and temperature.

• Q: Can GFS tanks handle high-sulfide waste from food processing?
     A: Yes—our glass-fused coating resists sulfuric acid corrosion, a common issue in high-sulfide environments.

• Q: Do you offer post-digestion digestate processing?
     A: We partner with experts to design digestate drying and pelletizing systems, turning waste into marketable fertilizer.

• Q: What maintenance is required for anaerobic digester tanks?
     A: Routine inspections (every 6–12 months), pH monitoring, and occasional cleaning to ensure optimal microbial activity.

  
  

Ready to Turn Waste into Energy?

At Wansheng, we've engineered anaerobic digester tanks for 20+ years, helping clients reduce waste, cut emissions, and generate renewable energy. Whether you’re a municipality, farm, or food processor, our GFS tanks deliver unmatched durability, efficiency, and compliance.