
Biomass pyrolysis plant offers a biomass-to-biochar conversion solution by pyrolysis technology. Investing in this technology allows businesses to unlock substantial economic and environmental benefits by selling or utilizing biochar. To support this, Beston Group has advanced biomass pyrolysis machine that maximizes capacity and yield while delivering reliable performance. Keep reading to learn more.
What is Biomass Pyrolysis?
Biomass pyrolysis is a thermochemical process that decomposes organic biomass at high temperatures (350–700°C) in an oxygen-free environment (usually achieved by biomass pyrolysis plant). This controlled reaction prevents combustion, instead breaking down biomass into biochar, a carbon-rich solid applied in carbon removal fields or as renewable fuels.
Pyrolysis – Distillation Integration (PDI) refers to directly achieving product separation during the pyrolysis reaction process, reducing intermediate storage and intermediate heating, enhancing product yield through reflux and heat integration, reducing total energy consumption and shortening the production cycle.

Carbon Cycle in Biomass Pyrolysis Process
Biomass pyrolysis in a biochar machine differs from traditional combustion which releases CO₂ into the atmosphere. Instead, it actively contributes to carbon removal. Let’s explore its carbon cycle and role in sustainability.

Carbon Input: Biomass
Carbon Output: Biochar
Biochar retains a significant portion of the biomass carbon (typically 30-50%). It can remain in the soil for centuries, acting as a long-term carbon sink. Unlike combustion or natural decomposition, this prevents carbon from quickly re-entering the atmosphere.
Ultimate Carbon Fate: Two Pathways
- Carbon Sink: Adding biochar to soil can lock carbon away from the atmosphere for a long time, reducing net CO₂ emissions.
- Carbon Return to Atmosphere: Using biochar and syngas as fuel releases some CO₂ back into the atmosphere. (Note: This is still carbon-neutral, as the biomass originally captured the carbon from the atmosphere. Moreover, syngas recycling in biomass pyrolysis process reduces reliance on fossil fuels, further lowering emissions.)
BST-50S Biomass Pyrolysis Plant: New Opportunity for Carbon Sink

Operation Time: 7,200 hours/year
Key Technology: Self-cleaning System for Tar and Dust
- Efficient Insulation Measure: Prevents the condensation of tar and wood vinegar, avoiding pipeline blockage.
- Nitrogen Protection System: Periodically purges the interior of the biochar machine, preventing dust buildup and ensuring stable operation.
Processing Capacity: >10 m³/hour
Key Technology: Staged Carbonization Structure
- Dual-cylinder Design: Biomass passes through the inner and outer cylinders sequentially, undergoing drying and carbonization in different temperature zones.
- Rotary Reactor: Under the influence of gravity, biomass is continuously tumbled, ensuring even heating and thorough carbonization.
What Puro.earth Standards Do Biomass Pyrolysis Plants Meet?
Beston biomass pyrolysis machine enables 720 hours continuous operation. This ensures more efficient, and eco-friendly biomass processing. Puro. earth’s evaluation has confirmed its outstanding environmental and climate benefits, and ability to produce EBC-standard biochar. Thus, it provides reliable carbon footprint metrics for customers’ carbon removal projects. This helps customers participate in carbon trading.

Puro. earth Vetted BST-50s Model Meets 7 Key Criteria
- Methods to ensure complete combustion of pyrolysis gases and oils: This highly recognizes the machine’s ability to recycle pyrolysis gases and flue gases.
- Methods to ensure low emissions of air pollutants: This is thanks to the design measures (such as flue gas recirculation in combustion chambers) and the flue gas treatment system.
- Methods to ensure safe waste stream disposal: During the evaluation process, the machine displays all waste streams and quantifies the amounts generated during normal operation. This offers customers accurate data for carbon trading investment.
- Emission testing of air pollutants: Data for at least one biomass is already available for the biomass pyrolysis equipment. This can help customers evaluate and verify that the installed equipment complies with applicable local regulations.
- Emissions testing of greenhouse gases: The greenhouse gas emissions of the equipment have been quantified and can be used to determine the carbon footprint of the biochar produced with the biomass pyrolysis plant.
- Testing of biochar quality: Biochar pyrolysis equipment can produce biochar of sufficient persistence (H/Corg <0.7) and sufficient environmental quality for at least some applications, e.g. soil applications.
- Material choices and expected equipment lifetime: This criterion is met, meaning that sufficient information was disclosed to enable carbon footprint accounting by projects.
Parameters of Biomass Pyrolysis Plant for Sale
| Model | BST-50 Standard | BST-50 Max | BST-50S | BST-06 Quicker |
|---|---|---|---|---|
| Operating Mode | Continuous | Continuous | Continuous | Continuous |
| Application | Commercial-scale | Commercial-scale | Commercial-scale | Pilot Testing |
| Certification Platform | Isometric, Rainbow | Isometric, Rainbow | Puro.earth, Isometric, Rainbow | Rainbow |
| Reactor Material | Staineless Steel 304 | Staineless Steel 304 | Staineless Steel 310s | Staineless Steel 304 |
| Feedstock Moisture | Below 15% | From 15% to 55% | From 15% to 55% | Below 15% |
| Feedstock Size | 5-20mm | 5-20mm | 5-20mm | 5-20mm |
| Feeding Capacity (only for pyrolysis) | 10-15m³/h | 10-15m³/h | 10-15m³/h | 100-200KG/H |
| Max. Pyrolysis Temperature (Combustion Chamber) | 650℃ | 650℃ | 700℃ | 650℃ |
| Residue Retention Time | 15-20 minutes | 15-20 minutes | 15-20 minutes | 15-20 minutes |
| Operating Pressure | -20 - 0 pa | -20 - 0 pa | -20 - 0 pa | - |