Biogas

Biogas refers to the mixture of gases produced by the breakdown of organic matter in the absence of oxygen. Biogas is produced on industrial scale in anaerobic digesters and used in raw form to generate renewable heat and power.

It can also be upgraded to biomethane, a bio-derived and thus renewable form of methane that can be transported through a natural gas grid and used as a substitute for fossil-derived natural gas, including as a fuel for generating heat and power, a vehicle fuel or a chemical feedstock.

The residue of the biogas process contains most of the nutrients from the feedstock and can be recycled as a fertilizer, providing added environmental benefit.

Traditionally, biogas was produced predominantly in conjunction with wastewater treatment. As the industry expanded many biogas plants began using plant residue and/or purpose-grown crops to be able to achieve economies of scale and a higher-quality, more consistent feedstock.

NexSteppe Metano Alto Biogas Sorghum delivers high biomass yields in the field, low biomass losses during ensiling and high biogas and methane yields in the digester. They do this with lower water and input requirements than silage maize, the traditional purpose-grown crop for biogas. These biogas sorghums can be used alone or as a complement to maize, manure or other biogas substrates. NexSteppe biogas sorghums are being selected to provide a wide range of maturities to meet varying harvest-window and crop rotation profiles.


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