Our expertise
The strength of 70 years’ experience

Our processes

In addition to its role as an equipment manufacturer, KWI is a company of experts. As a result of its high-quality engineers and R&D division, it has pursued continual innovation. Today, it offers a wide range of reliable and high-performance process plant. KWI can offer solutions for all wastewater and sludge treatment duties.

Our processes

In addition to its role as an equipment manufacturer, KWI is a company of experts. As a result of its high-quality engineers and R&D division, it has pursued continual innovation. Today, it offers a wide range of reliable and high-performance process plant. KWI can offer solutions for all wastewater and sludge treatment duties.

Pretreatment

  • Screening
  • Removal of grease
  • Sieving
  • Sand removal

Treatment of grease

  • In-situ aerobic grease digester (hydrolysis and digestion)

Physicochemical treatment

  • Coagulation
  • Flocculation
  • pH regulation
  • Settlement
  • Flotation

Tertiary treatment

  • Filtration
  • Dephosphatation
  • Disinfection

Biological treatment

  • Batch Reactor System (SBR)
  • Biofloat® Process
  • BOMS Process (Biomass On Mobile Support)
  • Traditional biological treatment (low/medium/high load)
  • BRM Process (Membrane Bioreactor)

Sludge treatment

  • Sludge thickening
  • KWI DRY-PLUS® system, draining table, drum thickener
  • Sludge thickening by flotation
  • Sludge dewatering (centrifuge, plate filter press, disc press)

Sea water desalination

  • Flotation (protection of membrane systems by flotation)
  • Filtration (membrane systems)

other

  • Treatment of discharges of hazardous substances to water
  • Treatment of heavy metals

Mobile treatment plant

KWI offers the manufacture of complete skid-mounted treatment plants.

Contact us

Pilot plants

KWI offers pilot plants which clients can hire, or use to conduct industrial tests

  • Megacell MCV1 Flotation Plant
  • LS8-13.6 Lamellar Decanter
  • Automatic polymer preparation
  • KSF Sand Filter
  • Freylit® Hydrocarbon Separator
  • Ozoflottator
Find out more

Pretreatment

  • Screening
  • Removal of grease
  • Sieving
  • Sand removal

Treatment of grease

  • In-situ aerobic grease digester (hydrolysis and digestion)

Physicochemical treatment

  • Coagulation
  • Flocculation
  • pH regulation
  • Settlement
  • Flotation

Tertiary treatment

  • Filtration
  • Dephosphatation
  • Disinfection

Biological treatment

  • Batch Reactor System (SBR)
  • Biofloat® Process
  • BOMS Process (Biomass On Mobile Support)
  • Traditional biological treatment (low/medium/high load)
  • BRM Process (Membrane Bioreactor)

Sludge treatment

  • Sludge thickening
  • KWI DRY-PLUS® system, draining table, drum thickener
  • Sludge thickening by flotation
  • Sludge dewatering (centrifuge, plate filter press, disc press)

Sea water desalination

  • Flotation (protection of membrane systems by flotation)
  • Filtration (membrane systems)

other

  • Treatment of discharges of hazardous substances to water
  • Treatment of heavy metals

Pilot plants

KWI offers pilot plants which clients can hire, or use to conduct industrial tests

  • Megacell MCV1 Flotation Plant
  • LS8-13.6 Lamellar Decanter
  • Automatic polymer preparation
  • KSF Sand Filter
  • Freylit® Hydrocarbon Separator
  • Ozoflottator
Find out more

Mobile treatment plant

KWI offers the manufacture of complete skid-mounted treatment plants.

Contact us

A company with a personal touch
and the power of an international group

Our expertise

For over 70 years, we've been delivering solutions that are secure, efficient and specifically tailored to the challenges faced by industrial operators

Reliability built-in

All new plant designs, and manufactured equipment, are tested and checked at our own manufacturing facilities. We adhere to the Quality Charter of the Syndicat des Traiteurs d'Eaux (Synteau - the association of French water sector suppliers and contractors).

Your flexible partner

KWI offers a modular approach. We can supply both comprehensive solutions and individual plant items.

A company with a personal touch

Our expertise

For over 70 years, we've been delivering solutions that are secure, efficient and specifically tailored to the challenges faced by industrial operators

Reliability built-in

All new plant designs, and manufactured equipment, are tested and checked at our own manufacturing facilities. We adhere to the Quality Charter of the Syndicat des Traiteurs d'Eaux (Synteau - the association of French water sector suppliers and contractors).

Your flexible partner

KWI offers a modular approach. We can supply both comprehensive solutions and individual plant items.