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The core of the project – the energetic heart

The patented Exelys™-technology is an absolute central feature of Billund BioRefinery, which turns the Wastewater Treatment Plant of the Future into an "Energy Factory".

Exelys™ is the next generation of thermal hydrolysis which in brief extracts even higher energy amounts out of the biomass, and at the same time markedly reduces the sludge amount. In other words: Exelys™ gives more energy and less waste.

The biogas production is increased by 50 percent while the sludge amount is reduced by 30 percent, and that makes waste an even more valuable, local “raw material”. All resources are integrated into one combined treatment of household waste, organic industrial waste, wastewater sludge as well as manure and other organic waste. In this way it is possible to achieve the optimum mix which will give the most efficient utilisation of the energy.

The cycle links it all together – town, country and industry – and everybody maximize their common interest for a sustainable future. The result is a big production of biogas that can produce electricity and heat or be applied as for instance organic biofuel for cars. At the same time, the farming industry benefits from an odour-free, organic fertiliser that is easy to handle and has a high nutritive value for the crops.

Billund BioRefinery integrates all resources in one large, energetic cycle – from table to soil and back.