UASB Reactor System

High-Rate Anaerobic Treatment | Energy Recovery | Low OPEX Solution

No Aeration Required | Biogas Generation | Ideal for High COD Wastewater

Upflow Anaerobic Sludge Blanket reactor where granular biomass converts high-strength organic wastewater into biogas (CH₄ + CO₂) — delivering 70–90% COD removal with very low sludge generation and no aeration energy cost.

Process Type Anaerobic Biological Treatment

Reactor Type Upflow Anaerobic Sludge Blanket (UASB)

Operating Principle Granular Biomass → Biogas (CH₄ + CO₂)

Flow Pattern Upflow Through Dense Sludge Blanket

Key Performance Metrics

70% – 90%

COD Removal

75% – 90%

BOD Removal

2 – 10 kg COD/m³·day

Organic Loading Rate (OLR)

6 – 24 hours

Hydraulic Retention Time (HRT)

0.3 – 0.5 m³/kg COD

Biogas Yield

Very Low

Sludge Generation

Core Advantages

No Aeration Energy Required

(Major reduction in power consumption)

Biogas Generation

(Convert waste into usable energy)

Low Sludge Production

(Reduced handling and disposal cost)

Suitable for High-Strength Wastewater

(Ideal for high COD/BOD loads)

Process Flow (Simplified)

Influent Feed (Bottom Inlet)

Upflow Through Sludge Blanket

Anaerobic Digestion (COD → Biogas)

Gas-Liquid-Solid Separator

Biogas Collection

Clarified Effluent Outlet

Zero aeration energy Continuous biogas recovery Very low sludge generation

Business Impact

Significant Reduction in Operating Cost (OPEX)

Energy Recovery Offsets Plant Power Consumption

Lower Sludge Disposal Cost

Ideal for Large-Scale Industrial Wastewater Treatment

Industries & Applications

Distillery Food Processing Dairy Sugar Industry Paper & Pulp Chemical Industrial ETP

Quick Decision Comparison

Parameter	UASB System	Aerobic ASP	MBBR	SBR
Energy Consumption	Very Low	High (Aeration)	High	High
Sludge Generation	Very Low	High	Medium	Medium
Biogas / Energy Recovery	Yes	No	No	No
Suitable for High COD	Excellent	Limited	Moderate	Moderate
Effluent Quality	Moderate (Needs Polishing)	Good	Good	Good
Footprint	Compact	Large	Medium	Medium
OPEX	Lowest	High	Medium	Medium
Startup Time	Longer	Faster	Faster	Faster

Optional Integrations

Biogas Handling System Gas Holder Flare System Post-Aeration (MBBR/MBR) PLC Automation

Why This Solution

Best suited for industries aiming to:

Treat high-strength wastewater economically
Reduce energy consumption significantly
Generate renewable energy (biogas)
Minimize sludge handling cost

"A cost-effective and energy-positive treatment solution — ideal for high COD wastewater with long-term operational savings." — Wizwater Technologies