Purification products

Malmberg possesses the technical expertise demanded in the field of water purification. Quite simply, we deal with issues that affect your specific water quality, and assist you in optimizing your purification or reducing your energy and operating costs.

We work in a broad area that encompasses everything from industrial process water and leachate, to stormwater, household wastewater and drinking water. On the basis of a preliminary study, we can help you identify the best possible purification solution. We perform dimensioning and design, and create a purification project optimized for your situation. Woking closely with you, we prepare the purification projects that suit your needs on project start-up, during a remodelling phase or in connection with service visits.

Our different purification products

Plastic chain scrapers

Malmberg Plastic Chain Scraper is designed for use even in extreme environments. The chain is extra strong as well as chemical-resistant which guarantees extra-long service life and minimum wear.

Aeration system

Malmberg bottom aeration system has been carefully planned, from design to installation. The system minimizes energy costs to the lowest possible pressure losses, optimized oxygen control, and a high aeration capacity.

Round sludge scraper

A modular and scalable design of the scraper makes it easy to adapt to different basin volumes. The main components are prefabricated which enables a quick installation. 

Backflow protection

Malmberg Backflow Protection is a complete unit with reliable and simple performance.

Safety hatch

Malmberg Safety hatch can be used both outdoors and indoors. It can also be placed on a wall.  order it either as a double hatch or as a single.


Malmberg Decanting is installed vertically in the sludge settling bassin. It improves thickening by draining off the clear face below the sludge cover.

Water treatment technicians


The Malmberg Airflo® System is a dissolved air flotation unit. It’s highly efficient for water clarification. It is used in a variety of industrial applications such as dairy-, food-, oil-, pulp- and paper industries but also for general water treatment.


The Malmberg Triton® System is designed to solve typical problems that occur in filtration plants and offers several advantages to conventional filter-bottom systems.


A very effective treatment of the complex leachate. 


A complete solution from reactor to polishing step and is modular and flexible for optimal results.