Colsen is very honored to be ranked 44th in the top 100 of most innovative SME’s in The Netherlands. After receiving environmental awards in 2001, 2005 and 2013 we received a new achievement record in 2014. The Colsen innovation records relate to our developments in the area of sustainable energy production, phosphate recovery from waste water (ANPHOS®) and biological desulphurization of biogas BIDOX®). This honorable position amongst the 100 most innovative SME’s is a testimony to a very successful business concept in the year that Colsen celebrates its 25th anniversary! Most of the Colsen technologies have evolved from problem solving efforts. Read more