+27 11 974 0288 info@pwtsa.com
Process Water House, 4 Bronze Road,Spartan, Kempton Park, Gauteng

Welcome to Process Water Technologies

Process Water Technologies

Process Water Technologies

High-level water treatment services in and around South Africa.

Process Water Technologies, incorporating Willows & Associates, is a wholly-owned South African company. We supply new and existing clients with a broad spectrum of purpose-built industrial and clean water purification and treatment plants. Nationally and internationally. Our services include effluent process plants, sewage plants and effluent equipment. We focus on ensuring that each plant is uniquely designed to meet the applications intended. Special consideration of raw water sources and final, treated water quality, is taken.

Years of trade experience has enabled us to serve industries that include the rural development sector, mines and power generation plants. Catering not only to the industrial sector, PWTSA’s service offering is diversely customizable to commercial business, such as the hospitality and automotive sector.


Years in operation

Number of projects

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Staff compliment

Sewage And Effluent

Wastewater Treatment Plant

Sewage or Wastewater Treatment plants from PWTSA ensures that contaminants from municipal wastewater, containing mainly household sewage and industrial wastewater are removed.

PWTSA Sewage and Effluent Plants

PWTSA’s Sewage and Effluent treatment plants are designed to treat both municipal and industrial effluent, which consists of wastewater, sludge or sewage.

Containerized Sewage Treatment Plant

The PWTSA Containerised Sewage Treatment Plant is constructed within a container or series of containers managed in a control panel.

Clean Water Solutions

PWTSA Water Purification Systems

PWTSA water purification systems turns surface water sources such as rivers, lakes and dams into a clean, fresh water resource.

PWTSA Media Filtration and Systems

PWTSA filtration methods are used for the physical, mechanical and biological separation of solids from treated water.

PWTSA Ultrafiltration Process

The Ultrafiltration process is a separation process using membrane filtration, where membrane modules of the filters are available in plate-and-frame, spiral-wound, and tubular configurations with pore sizes in the range of 0.1 to 0.001 micron.

Reverse Osmosis Filter Systems

Reverse Osmosis (RO) membranes are designed to remove dissolved salts from water. Whilst water passes readily through the Reverse Osmosis (RO) membranes, dissolved salt passes through very slowly.

Demineralisation Water Treatment

PWTSA Demineralisation Water Treatment Plant assists with a water treatment solution used to remove salts (cations and anions) from the water.

Potable Water Plant Container

PWTSA Containerised Water Plant units are usually needed where there are no buildings or infrastructure where water needs to be treated.

Water Dispensers

PWTSA Water dispensers are fully assembled at our head office, where these units provide the end user with ozone sanitised and prefiltered water that compares to bottled water standards. End users may bring containers to the units and fill.

Containerised Water Treatment Plants

PWTSA Containerised Water Treatment Plants are an optimum and highly flexible way of obtaining drinking water from wells, open resources, side and shore wells, sea and brackish water.

UV- Ultraviolet Sterilisation

PWTSA Ultraviolet or UV water sterilizers are used in water purification and treatment to make water healthier and prolongs the life of water that has been treated and processed. The word “STERILE” is defined as being free from living germs or microorganisms.

Bulk Storage Tanks

PWTSA Bulk Storage Tanks are designed to customer-specified capacities and space requirements. By utilizing one large, multiple-compartment tank, a variety of products may be stored in a single area without concern for spacing between tanks.

Water Booster Pump Systems

PWTSA Water Booster Pump Systems is designed to help achieve flow rates due to high system head.

Plastic water Tanks

The PWTSA Plastic Water Tank is a container for storing water.

Chemical Tanks

PWTSA Chemical tanks are storage containers for chemicals. PWTSA Chemical Tanks come in a variety of sizes and shapes, and are used for static storage, processing, mixing, and transport of both raw materials and finished chemical products.

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