News Stay up to date about our latest developments? Check all our publications below. News Whitepaper Event Blog Solutions for sustainable sewage sludge management read more Sustainable manure management by Colsen read more Project update: energy-efficient waste- and wastewater treatment for Pizzoli S.p.A. read more Invest International provides capital for biogas from cow manure read more Start-up anammox sidestream treatment NAS-ONE Sleeuwijk (NL) read more Construction first AMFER in the UK has started read more Colsen’s technology named as BAT (Best Available Technique)! read more Opening energyplant WWTP Tiel read more