All industries
Wastewater Treatment
Self-cleaning and fouling-resistant designs for sludge, effluent and biogas systems.
Use cases
- Sludge heating for digestion
- Effluent heat recovery
- Biogas cooling
- Industrial wastewater duties
Recommended products
Typical operating conditions
- Process media: sludge, digester feed, effluent, biogas, hot water
- Temperature range: 10–80 °C typical
- Design pressure: typically 6–10 barg
- Continuous duty with high solids and biological loading
Common engineering challenges
- High fouling and clogging risk from suspended solids
- Corrosion from H2S in biogas and digester atmospheres
- Ease of cleaning and inspection between service intervals
- Heat recovery to raise plant energy efficiency
Recommended materials & construction
- Wide-gap or free-flow plate patterns for sludge and effluent
- AISI 316L / duplex plates depending on chloride content
- Tube-in-tube heat exchangers for very high solids content
- Corrosion-resistant frame paint systems
Typical delivery scope
- Duty sizing based on sludge dry-solids content
- Selection between plate, tube-in-tube or spiral technology
- Cleanable, easily openable construction
- Delivery of first-fill spare plates and gaskets
Ranges shown are indicative for this industry. Actual design is confirmed per project against your duty sheet.
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Need a Heat Exchanger for Your Project?
Send your working conditions, drawing or datasheet. Blair will review your request and help confirm the next step.