Make sustainable choices. Always.
Onnu's mission is to develop the biomass products industry for the environmental impact it can have, both in terms of carbon negative production in the case of biochar, and the displacement of fossil fuel use in the cases of black pellets, biocarbon and BioLNG.
Sourcing biomass sustainably
As an environmentally positive solution, it is important to consider the current uses of the biomass. Ideal sources of biomass are those that are currently destined for disposal or incineration.
Using these ensures that we don't have any negative environmental, social or economic impacts on existing supply chains. Biomass containing high protein, for example, may deliver more value if it returned to the food chain.
As a company that firmly believes in the principle of Triple Bottom Line (Planet, People, Profit), this choice ensures that we support profitable projects without doing injustice to the planet and its people.
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How are we fighting climate change?
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Green fuel for decarbonising industries
Our green fuel alternatives reduce emissions and drive the transition to clean energy. By replacing fossil fuels with these renewable solutions, we enable industries to decarbonize while ensuring energy security and sustainability.
Black pellets
Black pellets offer a high-energy, low-emission replacement for coal in power plants, ensuring efficient combustion with significantly lower carbon output.
Bio-LNG
Bio-LNG, derived from biogas, is a carbon-neutral fuel ideal for heavy transport and industry, with the added benefit of biogenic CO₂ capture during production.
Biocarbon
Biocarbon serves as a cleaner substitute for fossil coal, helping industries like steel, cement, and power generation cut emissions without compromising performance.
Biochar's carbon storage potential
Due to its recalcitrant (stable) nature, biochar can remain in soils for thousands of years. That means it is an important carbon removal technique and a proven method of carbon removal.
Photosynthesis
When biomass grows, it absorbs carbon dioxide from the air via photosynthesis.
Decomposition
The biomass then sequesters (stores) this carbon which gets released back into the atmosphere at the end of its lifetime.
Pyrolysis
However, pyrolysis of waste biomass produces biochar that allows us to capture the carbon and prevent it from re-entering the atmosphere.
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Carbon capture during biomethane liquefaction
Bio-LNG is derived from biogas plants, where organic waste is anaerobically digested to produce raw biogas (primarily methane and CO₂). Instead of releasing this CO₂ into the atmosphere, we:
Capture & Purify
Biogenic CO₂ is separated during methane upgrading.
Utilize & Store
The captured CO₂ can be used in industries like food & beverage, greenhouses, or carbon sequestration.
Enhance Carbon Savings
By capturing and repurposing CO₂, bio-LNG becomes a low-carbon fuel, reducing emissions compared to fossil LNG.
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Green grids & fleets
We strive to ensure that electricity and transport used in our supply chain is powered by renewable energy to minimize our carbon footprint.
Green Electricity
Our facilities run on 100% renewable energy from solar, wind, and bioenergy, ensuring that biochar, black pellets, and bio-LNG are produced with minimal environmental impact.
Sustainable Transport
We partner with biofuel-powered logistics providers to reduce emissions across road, rail, and maritime shipping.
Low-Carbon Shipping
Our ocean freight partners use LNG and biofuel-powered vessels, further cutting transport emissions.
Decarbonise your personalization's emissions today.
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