Your partner for industrial wastewater treatment and energy recovery! Biothane is one of the world's leading companies in the field of biological treatment of industrial wastewater. We have a portfolio of processes and technologies that can be applied in a vast variety of sectors and installations. With more than 670 installations constructed in over 40 countries around the globe, Biothane demonstrates its outstanding competency in the fields of anaerobic and aerobic wastewater treatment Biothane is the anaerobic treatment brand of Veolia Water Technologies. With its presence in more than 50 countries, Veolia Water Technologies is a world leader in water and wastewater treatment for industry and municipalities. The portfolio embraces over 250 proprietary technologies.