Services

Colsen offers services in different branches. In all those branches we are active in consultancy, project realisation and research & development.

Read more about Colsen as a partner here.

5 services
Branches
Slibgisting Tiel

Sludge digestion

Sewage sludge is produced during the wastewater treatment process, and processing and disposing of said sludge is a major money and energy sink.

PEKA Kroef

P-recovery with struvite

Phosphate is a crucial component of artificial fertilisers, but the main mining areas are slowly becoming depleted, which makes phosphate recovery

Amfer exterieur

N-recovery

In certain waste and wastewater flows, high quantities of nitrogen occur in the form of ammonium, such as in digestate or centrate produced by a di

UASB Kroef

Anaerobic water treatment

Due to the high levels of organic pollutants in wastewater, wastewater treatment can be an energy-intensive and therefore a costly affair.

Pizzoli NAS

Nitrogen removal

Many sectors produce highly polluted wastewater, with nitrogen being one of the main pollutants. Removing nitrogen can be very expense.