Dranco is a company specialized in the engineering and construction of anaerobic digesters with more than 30 years of experience. Since 2021, Dranco NV is a sub-company of OWS.
Dranco NV developed the anaerobic DRANCO process to treat several types of waste streams. In the last decade, Dranco NV also offers processes for energy crops (DRANCO-FARM and BES reactor types). Dranco NV has experience with the anaerobic digestion of several types of urban waste, energy crops, manure and industrial side streams. Moreover, the mother company OWS contract research laboratory division has longstanding experience in the field of biodegradation and compostability testing. The latest additions in Dranco NV’s activities are (1) to focus on the first step in the anaerobic digestion process, namely the production of carboxylic acids as building blocks for the bio-industry, including caproic acid via biological chain elongation, (2) single-cell protein production from solid organic waste streams, in cooperation with Avecom.