Applied Nanoparticles to Biogas Production: BiogasPLUS

 The spin-off Applied Nanoparticles SL presents in the Internet (http://www.appliednanoparticles.eu/ and https://twitter.com/biogasplu) their innovative solution to multiply the current biogas production through nanotechnology advances.

 

“Biogas typically refers to a mixture of gases produced by the breakdown of organic matter in the absence of oxygen. It is a renewable energy source and in many cases exerts a very small carbon footprint. Biogas is produced by anaerobic digestion with anaerobic bacteria or fermentation of biodegradable materials such as manure, sewage, municipal waste, green waste, plant material, and crops.” Biogas converts the problem of organic waste and waterwaste in a solution that contributes to the Energy Transition, and to the mitigation of Climate Change.

 

In 2013 and 2014 editions, Fundacion Repsol's Entrepreneurs Fund has selected BioGAS+ as an innovative energy efficiency project to which it provide technical and financial support to enable it to become successful business.

 

The Repsol's Technological Innovation blog explains that BioGAS+ “seeks to improve those processes in which cultures of bacteria degrade organic matter. For this they have implemented a revolutionary idea that is “feed” the bacteria with iron nanoparticles to stimulate its activity. This is a unique idea in the world and the benefits of this development are many: increased biogas production, reducing greenhouse gas emissions and the development of renewable energy, among others. In addition, as a result of increased biogas generation waste is most degraded and enriched with iron, which improves their properties and allows use as compost (fertilizer)”

 

Biogas is a sustainable alternative source of energy but to date production methods have proven inefficient. Many attempts to increase biogas production are not suited to industrial scale-up. Iron has been shown to strongly enhance anaerobic digestion, but introducing the standard form of the metal ion in an anaerobic closed reactor is problematic. The new system is based on the use of slowly dissolving biodegradable nanoparticles, facilitating the production of iron ions in the reaction medium while avoiding many of the problems, such as bacteriostaticity.

 

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