Experts in Dissolved Air Flotation

KWI Group is the global leader in delivering Dissolved Air Flotation (DAF) for water and wastewater treatment systems for industrial and municipal applications.

With more than 4,700 installations in 77 countries, KWI excels in Industrial Waste Water Treatment, Biological Treatment, Process and Potable Water applications.

KWI Dissolved Air Floatation (DAF) solutions are based on proven process designs with exclusive, patented equipment and technology to meet our customers’ needs. The KWI brand name is synonymous with quality & efficiency and we strive for continuous improvement. Dissolved air flotation is very widely used in treating the industrial wastewater effluents from oil refineries, petrochemical and chemical plants, natural gas processing plants, paper mills, food processing (including those where a high proportion of oils, fats and greases arepresent), biological sludge thickening, potable or process water production, general water treatment and similar industrial facilities. Key market applications and case studies can be found at our expertise page

KWI works with long time experts in design and production departments. We focus on stainless steel production at a high quality level. In our Manufacturing facilities and product engineering group in Klagenfurt, Austria, all fabrication and  production systems are performed strictly in accordance with ISO 9001 and ISO 14001 quality standards. Intimate cooperation between R & D, product engineering and fabrication ensures continuous improvements in product function and cost.

Latest News

July 7, 2020

Brandnew KWI newsletter

Although the second quarter was an exceptionally difficult time with unprecedented challenges for the whole world, we delivered NON-STOP and increased the capacity to make lab-tests in house. Check out our latest Newsletter!

June 19, 2020

KWI is #1 in the worldwide ranking of flotation technologies

The ranking was published by the Global Water Intelligence (GWI) magazine (issue June 2020). The article about the innovations and applications in flotation technologies shows KWI at the top of the international ranking. (Source: Global Water Intelligence Magazine, June 2020, System innovations help stimulate flotation technology market, pp. 42-44)  

May 27, 2020

We are happy, when our customers are...

This kind of e-mails makes our day. Our customers appreciate the high quality of our DAF units, manufactured by experienced top-class professionals in Austria. Whatever you are doing with passion, you do well!  

April 23, 2020

Waste water analysis in our in-house laboratory

Do you have a need to treat your waste water and are you not sure, how to achieve the desired parameters? Our in-house laboratory is equipped for carrying out Jar Test and DAF simulation test. Based on this we can check or define the proper chemical treatment or recycle rate for your DAF. An analysis of the composition and properties of the water gives indication about the optimal solution for your waste water problem. We can check the achieved results in an external official lab. KWI e…

Our Mission

The mission of KWI Inter­national is to fullfil the expectations of its business associates (customers, staff, suppliers, company owners, society and environment) to the best of its ability and is indicative of KWI’s success to date. The amongst the key management objectives are to strive for optimum ful­fillment of the require­ments and expectations of our customers as well as stringent safety and health protection of KWI personnel.

Our worldwide network

Customer service is our priority, so closeness to the customer is particularly important to us. In addition to our branches in France and UK as well as our sister company in Florida, we can proudly rely on an internationally established network of partners.The KWI group is at your service to select the best solution, both in terms of performances and cost effectiveness, for your water treatment scenario. Get in contact with our headquarter in Austria or our local branches to receive our consultancy.

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