COALSI product overview

Here you will find our solutions for odor problems, foreign water and corrosion in the sewer network, as well as for exhaust air problems in industrial plants.

Street filter

Hybrid activated carbon filters to provide an effective odour barrier to organic compounds in all common sewer manholes. Available for street sewers and gullies.

Street sewer filter

Stop odour emissions from all common sewer manholes.

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Street drain filter

Filter malodorous gases while simultaneously permitting street water drainage.

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Aquastop

Simple remedy for extraneous water inflow due to heavy rainfall. Prevents excessively rapid and uncontrolled inflow into the sewer system and ensures sewer ventilation.

Aquastop

Applications include all common combined and divided systems and any underground systems where little or even no water penetration can be tolerated.

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Multi-chamber filter

Heavy-duty solution in areas with severe odour nuisances. A modular structure allows it to be tailored to requirements.

Multi-chamber filter

Applications include any industrial plants with moderate gas emissions (e.g. paper mills or refineries).

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Volumenmax

Effectively eliminates particularly severe odour nuisances.

Volumenmax

This high-performance filter is used not only for pumping stations, transfer points or sewer manholes, but also for untreated contaminated gases in industry.

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Polylok

End-of-pipe filters for normal odour nuisances for direct use on vent pipes.

Polylok

Applications include any pipe ends (e.g. private sewage treatment plants, settling tanks or roof vents).

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