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Ultrafine Biochar Milling systems

Enagon’s biochar processing system produces ultra fine powders perfect for bio-plastic, building materials, concrete, and absorbent applications. Our process delivers high valued biochar materials with superior attributes and particle characteristics compared to traditional hammer milled and ball milled biochar.

The Enagon Mill is a revolutionary approach to size reduction and dehydration. Biochar that has been powdered by the Enagon Mill mixes better, stays suspended longer, and has higher surface area compared to traditional milling methods.


The combination of small particle size and high surface area creates a superior biochar powder with many beneficial applications.


High surface area biochar made by the Enagon Mill can be a potential material to capture and store CO2 by adsorption in its pores. Because of this ability to capture CO2 from air, biochar has the potential to contribute to lowering carbon emissions in the building industry when used as an additive in construction materials.


Biochar from softwood can improve not just rheological properties but also other mechanical properties of pavement-grade bitumen. Improved rheology makes bitumen asphalt more durable and improves bending and rutting resistance. Bitumen asphalt mixed with biochar displays higher resistance to water penetration compared to carbon black as well. Evidence suggests incorporating biochar to bitumen prevents aging effects and cracking due to brittleness.


Particle sizes less than 75 micron performed best in terms of improving properties. Enagon Mills easily exceeds this benchmark by producing 50 micron or less material at 1,000 lbs/hr on a continual basis.


One study found that biochar-plaster made by mixing biochar, clay, and sand controlled humidity within 45-70% and absorbed/adsorbed nitrous oxides, VOCs, and CO2.

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Emissions reductions alone are not sufficient to alter the direction our climate is headed. We need to be focusing on developing and expanding carbon sinks as well as reducing emissions.
In agriculture uses, biochar promotes humus formation, increases yields as well as the water storage capacity thus increasing resistance to drought, reduces greenhouse gas emissions such as methane and nitrous oxide, and reduces nitrate leaching.
Biochar mill possibilities
  • Near-nano particle sizes

  • Capabilities to produce Multi-layer graphene

  • Semi-activated biochar through mechanical processes

  • Achieve high loads when mixed with resins and polymers

  • High surface area and non-uniformly shaped particles improve absorption and linking

  • Small particle size creates a flowable material with improved rheology

  • Filler for bioplastics and composites

  • Concrete and asphalt additive

  • Building materials

  • Inks, paints, and coatings

  • Lubricants

  • Soil amendments, fertilizers, seed coatings

  • Adsorbents and filtration


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