Effluent treatment plants (ETP) for industrial wastewater

Effluent treatment plants from Mai Fina for industrial wastewater: pH neutralization, oil and grease separation, DAF, chemical coagulation and flocculation, biological treatment, filtration and sludge dewatering by filter press, with RO and zero liquid discharge (ZLD) options for food and beverage, laundries, textile, chemical and automotive sites.

Industrial effluent treatment plant with DAF unit, pH neutralization tank and coagulant dosing
DAF unit with neutralization and dosing
Filter press dewatering industrial sludge into a skip
Filter press sludge dewatering

Treatment stages

  • Equalization and pH neutralization with acid or caustic dosing.
  • Oil and grease separation by oil-water separator or grease trap.
  • DAF (dissolved air flotation) to remove fats, oils, grease and suspended solids.
  • Chemical coagulation and flocculation to remove fine solids, colour and metals.
  • Biological treatment for biodegradable organic load (BOD / COD).
  • Filtration with sand, multimedia or activated carbon.
  • Sludge dewatering by filter press.

RO and ZLD options

Treated effluent can be polished by RO for reuse in the process, and zero liquid discharge (ZLD) schemes can concentrate the RO reject so that no liquid leaves the site.

Sectors

  • Food and beverage.
  • Commercial laundries.
  • Textile.
  • Chemical.
  • Automotive workshops and garages.

Compliance

Plants are designed to meet the applicable local authority limits for sewer discharge or reuse, with sampling points for regular testing.

Design data we need

Effluent flow and analysis (pH, COD, BOD, TSS, oil and grease and specific contaminants), production process, discharge or reuse route, available area and power supply.

Specifications

ParameterTypical
Capacity / flowTypical 5 to 1,000 m³/day
ProcessNeutralization, oil separation, DAF, coagulation / flocculation, biological, filtration
pH correctionTypical to pH 6 to 9 before discharge
Sludge dewateringFilter press, typical cake 20 to 35% dry solids
Reuse optionsRO polishing and ZLD
MaterialsSS304 / SS316 / FRP / HDPE tanks, uPVC / HDPE piping
Power380-415V / 3ph / 50Hz
FootprintTypical skid-mounted to multi-tank plant room
Controls / instrumentationPLC with HMI, pH / ORP, flow, level and turbidity, dosing control

Typical values. Final specifications depend on feed water analysis and site requirements.

Talk to us

Send your water analysis and duty to info@maifina.com or WhatsApp / call +971 55 521 7294.