OWS has developed innovative and patented designs for biogas plants, with a pretreatment, digester concept and post-treatment adapted to each type of feedstock. Find out about our 30 years of experience and our 30 references!More info
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New biogas plant for OWS in Japannew
OWS is proud to announce its first full-scale DRANCO plant in Japan.
OWS's North American Sales Manager wins the 'Biogas Visionary' awardnew
Our North American Sales Manager Norma Mc Donald was honored with the 'Biogas Visionary' award.
OWS on French television
Lab & Consulting Services
In a French reportage on oxo-degradable plastics on France 2 on April 2nd, 2015, OWS features as an independent testing lab asked for an expert's opinion on the degradability of these type of plastics