TREVI
Milieuadvies en -technologie Dulle, Belgium

Trevi environmental consultancy and technology is a Belgian company founded in 1992 by the present directors. The company is directed by Stefaan Deboosere and Jacky Mortelmans and has a team of about 100 employees with different specialties including environmental consultants, process experts, programmers and installers. This wide expertise offers the client the advantage they can solve all their environmental problems completely with only one partner and this in the disciplines water, air, soil and energy. Since its foundation Trevi has constantly grown.

• In 2001 an unoccupied property at the ex-Arbed site at Gentbrugge was achieved and in 2002 a thorough renovation was started where the premises were transformed into the contempory offices and workshops. End 2004 the offices were inaugurated.
• In 2004 Trevi sarl, the French establishment at Roncq was founded.
• In 2005 Trevi obtained the ISO 9001 and ISO 14001 certificates.
• In 2006 was decided to invest in green energy and the engineering company BiogasTec nv was incorporated.
• Trevi invested systematically in green power plants (fermentors with CHP) since 2007. Next subsidiaries were founded chronologically: Agrikracht, GSL, Digrom Energy and Leiestroom. All together they represent an energy production capacity of about 8 MW (or the consumption of about 20 000 households).
• In 2009 Trevi obtained the VCA-certificate for safety management.
• Trevi was 2 times chosen as a regional Voka-ambassador in November 2010 and June 2011.
• In 2011 the activities of BETE were incorporated into Trevi.
• At the end of 2011 electricity supplier Trevion nv was founded: Trevion sells the green energy produced by his subsidiaries directly at the market.
• March 2014: Trends Gazelle for the 10th time.

Currently Trevi, including all subsidiaries, counts about 100 employees and has a turnover of about € 20 million at group level. Trevi realised over 200 waste water treatment plants, 150 air purification installations, 70 manure treatment plants and 100 energy plants, including 5 biogas plants with digestate handling. Furthermore Trevi has to the clients disposal a fleet of 90 mobile treatment plants to use for pilot tests, ground water sanitation projects or full scale water or air treatment. The projects were realised in Belgium, France, the Netherlands, Poland, Hungary, Great Britain, Sweden and Ruanda. Trevi already executed over 500 study assignments. Trevi has 3 patents on its name, 2 concerning manure treatment and 1 together with BiogasTec nv regarding biogas production combined with digestate treatment.