CarbonFX-HT™

Industrial-Scale Technology for Biochar and Biocarbon Production

A flexible, high-temperature carbonization process designed for industrial performance, certified quality, and lasting climate impact.

CarbonFX-HT™ is a flexible, high-temperature carbonization technology engineered for large-scale production of biochar and biocarbon (metallurgical biochar).

Designed for industrial performance and proven reliability, it adapts to diverse feedstocks and carbon content requirements while maintaining exceptional efficiency.

Its modular and scalable design allows seamless deployment worldwide, enabling durable carbon removal (CDR) credits and meaningful climate benefits at industrial scale.

Excess Energy​

The carbonization process generates a significant surplus of syngas, creating excess energy within the system.

Part of this energy is recovered by the DryFX™ unit for biomass drying, while the remaining syngas can be condensed into liquid bio-oil using Airex Energy’s equipment or repurposed for district heating, electricity or directly integrated in a local process (to replace natural gas for example).

Carbon Sequestration​

When biochar is applied to soils, durable carbon removal (CDR) credits are generated and tracked, ensuring measurable and lasting climate impact, while creating additional revenue for the project.

The CarbonFX-HT™ Carbonization Process Explained

A self-sustaining loop process that can produce two products and generates excess energy to valorize. The CarbonFX-HT™ system offers process flexibility, enabling precise adjustment of operating parameters to meet diverse customer requirements, from carbon content and energy density to particle size and final material properties.

Conditioning cyclonic reactor

Carbonization chamber

Combustion chamber

The CarbonFX-HT™ unit consists of three main components:

Conditioning cyclonic reactor

Cyclonic reactors serve as the initial treatment step, receiving the biomass pneumatically. In these reactors, the feedstock comes into direct contact with hot flue gases.

This flash heating finalizes the drying phase, rapidly reducing the moisture content to near-zero levels.

The short residence time ensures material stability before entering the next stage while preserving the structure of the biomass for optimal carbonization.

Dried biomass is then directed into carbonization screws located inside the insulated carbonization chamber.

These screws are externally heated through indirect contact with hot air circulating around them within the chamber.

In this oxygen-deprived environment, the biomass undergoes thermal decomposition, converting into high-carbon biochar and biocarbon.

During this stage, syngas (torr-gas) generated by the decomposition process is separated from the solid biochar within the screw conveyors and routed to the combustion chamber for energy recovery.

the syngas is then mixed with air and burned, and this syngas-air mixture becomes the fuel that provides energy for the carbonization process.

The combustion chamber acts as the thermal oxidizer of the CarbonFX-HT™ system. Here, the recovered syngas is combusted with controlled air addition.

The resulting thermal energy is used to heat the carbonization chamber and supply hot gases to the cyclonic reactors.

Any excess energy generated by the process is recovered and utilized for feedstock drying or further valorized through conversion into high-value products.

Key Benefits

Flexible parameters to meet specific production requirements

(%FC, NCV, etc)

Large scale production capacity

Compatible with various biomass

Continuous process

Excess energy available to be reused

Carbon credits potential

Easy to operate

Safe for employees

Dust-free

Model CarbonFX-HT™
TechnologyCarbonization
Process temperature (°C)500-600
Operating modeContinuous
Heating methodIndirect
Reactor typeScrew
Output productBiochar & Biocarbon (metallurgical biochar)
Product formatCoarse powder
Total carbon content+ 70%
Energy density (MJ/kg, db)25-35
PerformanceIndustrial volume (24/7 operation)
Yield25% - 35%
Input production capacity (kg/h, db)4000
Output production capacity (kg/h, db)1000-3000
ScalabilityYes (modular)
Waste (liquid or solid)None
Process automationAdvanced
Feedstock compatibilityVery flexible
By-productsExcess energy (syngas)
Carbon creditsYes (Biochar only)
CertificationsYes (Biochar only)
Footprint size (L x W x H)22m x 22m x 10m

Biomass Residues​

A Strategic Feedstock for a Sustainable Future

Where others see waste, we see opportunity.

We transform organic residues into valuable carbon-based materials that fuel a circular economy.

Every day, organic waste is generated worldwide — offering an abundant and renewable source of feedstock for a sustainable future.

  • Pine
  • Maple
  • Spruce
  • Acacia
  • Eucalyptus
  • Recycled wood waste
  • Wood pellets
  • Etc
  • Olive pomace
  • Wheat straw
  • Corn straw
  • Sunflower husk
  • Chicken litter
  • Cow manure
  • Municipal waste (RFD)
  • Municipal sludge

Ready to transform your feedstock?

Schedule a technical consultation.

Discover our technologies

CarbonFX​™

Torrefaction Technology

DryFX​™

Drying Technology

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