Radial-flow biopurification device prototype (IMAGE) Society of Chemical Industry Caption Radial-flow biopurification device prototype Credit Alberto Vergara-Fernández Usage Restrictions Free to use in coverage relating to this press release License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.