Researchers of the Catalan Institute of Nanoscience and Nanotechnology (ICN2), a Severo Ochoa Centre of Excellence, and the Universitat Autònoma de Barcelona (UAB) have developed the new BiogàsPlus, a technology which allows increasing the production of biogas by 200% with a controlled introduction of iron oxide nanoparticles to the process of organic waste treatment. The development of BiogàsPlus was carried out by the ICN2's Inorganic Nanoparticle group, led by ICREA researcher Víctor Puntes, and by the Group of Organic Solid Waste Composting of the UAB School of Engineering, directed by Antoni Sánchez.
The system is based on the use of iron oxide nanoparticles as an additive which "feeds" the bacteria in charge of breaking down organic matter. This additive substantially increases the production of biogas and at the same time transforms the iron nanoparticles into innocuous salt.
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