This is an illustrative scenario showing how Reynolds & Bauhm equipment can be configured for this application. Every site has unique requirements — contact us for a solution tailored to your specific wastewater characteristics.
Craft brewery in water-stressed region producing 200 m3/day wastewater with COD 7,000 mg/L, BOD 4,500 mg/L, TSS 1,500 mg/L. Municipal sewer unavailable — effluent must be reduced to <100 mg/L COD for irrigation reuse. Zero discharge target with 90% water recovery. No advanced biological treatment due to extreme temperature variations (5-40°C).
Step-by-step process configuration from raw wastewater to compliant discharge.
DAF system removes fats, proteins, and suspended solids at ambient temperature. Alum (150 mg/L) and cationic polymer optimise flotation. Float at 12% solids recovered. DAF effluent COD reduced from 7,000 to 5,000 mg/L. TSS reduced to 200 mg/L protecting downstream evaporator.
Mechanical vapour recompression (MVR) evaporator concentrates DAF effluent from 0.5% to 35% solids. Operating at 65°C under 0.15 bar vacuum. Specific energy consumption 35 kWh/m3 distillate. Distillate COD <80 mg/L, conductivity <200 microS/cm. Concentrate at 35% solids for disposal.
Vacuum condensate passed through activated carbon filter for trace organics removal. GAC column (1.0 m diameter, 15 min EBCT). Effluent COD <50 mg/L, non-detectable odour and colour. Automatic backwash on headloss. Carbon replaced every 6 months.
Low-pressure UV at 40 mJ/cm2 provides disinfection to <10 CFU/100mL. Post-UV mineral dosing adds calcium and magnesium for plant nutrition. Final water meets WHO irrigation standards. Online turbidity and UV intensity monitoring ensures consistent performance.
Treated water (180 m3/day recovered) stored in 200 m3 tank for landscape irrigation and equipment washdown. Concentrate (20 m3/day at 35% solids) containerised for licensed off-site disposal. Overall water recovery 90%. No discharge to sewer or environment.
The specific equipment selected for this application, sized for the flow rate and contaminant load.
Vacuum evaporator 200 m3/day, 65°C, 0.15 bar, 35 kWh/m3, SS316L construction.
View EquipmentRepresentative performance data based on typical operating conditions for this equipment configuration.
Explore the full range of equipment used in this and similar applications.
Discover how these treatment processes connect to form complete wastewater treatment solutions.
Reynolds & Bauhm follows a structured engineering methodology for every project. We begin with detailed wastewater characterisation, process selection based on contaminant profiles, pilot testing where required, and full-scale design with performance guarantees. Our multidisciplinary team of chemical, mechanical, and electrical engineers ensures seamless integration of process, mechanical, and control disciplines.
Comprehensive influent analysis including COD, BOD, TSS, heavy metals, pH, temperature, and flow profiling.
Process flow development with P&IDs, mass balances, and hydraulic modelling validated by CFD where appropriate.
On-site pilot trials validate performance guarantees under actual operating conditions before capital commitment.
FAT, SAT, performance trials, operator training, and handover documentation ensuring operational readiness.
| Pre-Treatment | Screening, grit removal, and flow equalisation |
| Primary Treatment | DAF or lamella clarification for solids and oil removal |
| Secondary Treatment | Biological oxidation (activated sludge, MBBR, or SBR) |
| Tertiary Treatment | Filtration, UV disinfection, or chemical polishing |
| Sludge Management | Thickening and dewatering via belt press or centrifuge |
| Control System | PLC with HMI touchscreen and optional SCADA integration |
| Chemical Dosing | Automated coagulant, flocculant, and pH correction |
| Materials | SS316L, duplex, or rubber-lined carbon steel |
85 – 98% chemical oxygen demand reduction depending on process configuration and influent variability.
90 – 99% suspended solids reduction through combined physical and biological treatment stages.
Tertiary treatment enables up to 80% water recycling for non-potable process applications.
Our engineers will adapt this equipment configuration to your specific wastewater analysis, flow rate, and discharge requirements.
Our expertise spans multiple industries with sector-specific water treatment solutions.