Filtering the water
for tomorrow

MORE WATER FOR LESS COST

With Filtralite® filter media, made of lightweight expanded clay aggregates, you can do more with less - more pure water with less energy, less space and without rebuilding existing facilities. Check out our solutions for water treatment:

Designed for drinking water plants and pretreatment for desalination, Filtralite® Pure is a filter media suitable for both physical filtration and biological treatment.

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Designed for wastewater treatment plants and treatment of industrial waters, Filtralite® Clean is a filter media suitable for both biological treatment and tertiary filtration.

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Filtralite Air

Designed for efficiently removing odour, Filtralite Air is a premium filtering product suitable for air and gas purification plants.

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Filtralite® Nature has been designed for onsite water remediation, including treatment of effluent water and removal of phosphorus.

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CASE STUDIES

Developed 20 years ago in cooperation with technical institutes and water treatment experts, based on the lightweight and porous characteristics of expanded clay, Filtralite® filter media has offered innovative solutions to water facilities worldwide for physical filtration and biological treatment.

Filtralite® Clean at Kakolanmäki Wastewater Treatment Plant (Finland)

Filtralite removes half of the load of phosphorus and solid materials at Finland's third largest wastewater treatment plant.

Excellent results with Filtralite Mono Multi® at an industrial scale pilot in Llobregat (SP)

ATL started an industrial scale test in November 2018 in one of the 137 m3 sand filters of the Llobregat Drinking Water Treatment Plant. The objective was to validate, in situ, the operation of Filtralite® Mono Multi in comparison with sand filtration.

Odour treatment filter in Bogense biogas plant (DK)

Applying Filtralite® Air in a biological odour treatment filter is a simple and effective solution, allowing nature’s own bacteria to handle the purification.

Air purification at Novozymes Fermentation unit in Kalundborg (DK)

Quick and easy to implement Filtralite® Air 4-10 improved process and brought savings

Two types of Filtralite® Pure filter beds at Gäddvik (SE)

Filtralite® Pure Mono-Multi is used both in rapid granular filtering beds for artificial recharge of groundwater and for filtering groundwater to produce drinking water.

Biological removal of manganese at Olofström (SW)

How an existing conventional sand filter was transformed in a Filtralite biofilter for biological removal of manganese.

Removing and refurbishing biofilters in Annecy (FR)

How Filtralite® Clean material was drained, refilled and replaced in 3 biological filters.

Filtralite® Pure Mono-Multi in London (UK)

How Thames Water reinvented its fast sand filters

Vestfjorden (NO) Wastewater Treatment Plant (Veas)

At the entrance of the Oslo fjord, VEAS cleans wastewater from 600.000 Oslovians.

Bedrichov(CZ) Drinking Water Treatment Plant

A farewell to sand filters

Fredrikstad (NO) Drinking Water Treatment Plant

Fredrikstad Waterworks in southeastern Norway has an annual water production of 15 millions m3 and supplies the municipalities of Fredrikstad and Hvaler.

Biological removal of ammonia and manganese for Hong Kong (CN)

Process with reduced chlorine demand in Tai Po (Hong Kong)
more case studies