Rice husk charcoal making machine offers an efficient way to recycle agricultural waste. With pyrolysis technology, rice husks can be converted into valuable biochar, helping the rice industry make better use of this by-product. This not only creates a new income source but also supports sustainable farming. Continue reading to learn more.
Beston Rice Husk Charcoal Making Machine Passes Puro.earth Evaluation
Beston Group proudly offers biochar producers opportunities to earn carbon credits through our vetted rice husk charcoal machine (BST-50S Model). This leverages the credibility and integrity of the Puro Standard. Now please find the values behind this move.
Why Apply for Puro.earth Evaluation
- Verify Technical Compliance: Equipment carbon emissions during production are crucial in carbon credit assessment. Puro.earth has vetted that BST-50S has excellent environmental performance, meeting technical requirements.
- Verify Biochar’s Carbon Sequestration Capacity: Puro.earth strictly evaluates biochar quality. It has been vetted that the biochar from BST-50S Model machine basically meets international EBC standards.
- Enhance Brand Credibility: With this authoritative evaluation, our BST-50S biochar production equipment can better gain the trust of customers eager to enter the carbon credit industry.
Why Choose Puro.earth Evaluation
Puro.earth is a globally recognized authoritative institution in the carbon removal and carbon credit industries. Rice hull carbonizer with this vetting can expand business oppotunities for investors.
- The World’s First Carbon Removal Standard: Puro.earth has established rigorous scientific standards to ensure that carbon removal projects are real, verifiable, and transparent. This meets the high demands of the carbon market.
- Widely Recognized Carbon Credit Trading Platform: Many companies rely on Puro.earth to purchase certified carbon removal credits to achieve carbon neutrality and enhance their Environmental, Social, and Governance (ESG) performance.
BST-50S Rice Husk Charcoal Machine: A New Benchmark for Carbon Sink
Rice husk disposal remains a widespread environmental concern. BST-50S rice husk carbonizer addresses this by converting agricultural waste into high-value biochar. The following technologies support its high performance and carbon sink capability:

Tar Dust Self-Cleaning System
Utilizing an integrated tar dust self-cleaning system and nitrogen purge, the BST-50S biochar pyrolysis equipment maintains stable operation with minimal downtime, while ensuring high-volume carbon fixation.
- 7,200 hours/year continuous operation
- 6,000 tons/year biochar output
- 12,000 tons/year CO₂ sequestration
Dual-Barrel Rotary Reactor
The dual-barrel rotating reactor first dries and decomposes rice husks in the inner core, then completes deep carbonization in the outer shell — ensuring efficient, high-throughput processing.
- 10+ m³/hour processing capacity
- Staged heating for efficiency
- Enhanced heat transfer & thermal isolation
Rice Husk Recycling Status: Multifaceted Challenges
As one of the world’s major agricultural crops, rice production is increasing day by day. However, the problem of recycling rice husks, a byproduct of rice processing, has also arisen. The management of this waste resource mainly faces the following challenges.

Low Recycling Rate
Approximately 150 million tons of rice husk are generated worldwide each year. However, the recycling rate of rice husk is less than 25%. The lack of an effective recycling system and infrastructure is the main reason. As a result, rice husk is often abandoned or not fully utilized.
Immature Technology
Currently, available rice husk processing technologies are inefficient. For example, incineration for energy or simple composting cannot fully tap the potential value of rice husk. More advanced processing technologies, such as biomass pyrolysis, have not yet been widely used.
Economic Feasibility Issues
Large-scale recycling of rice husk often involves high third-party costs. They include collection, transportation and processing fees. These costs may be too high for rice growers and processing plants. As a result, economic feasibility reasons hinder practitioners from recycling.
Rice Husk Charcoal Making Machine: Sustainable Recycling Choice
Rice husk pyrolysis is the current mainstream agricultural waste recycling solution. It is favored by recyclers for its environmental friendliness and high efficiency. Charcoal making machine achieves rice husk reduction and resource utilization.

Large-scale Recycling
Rice husk charcoal machine achieves large-scale recycling through mechanization, automation and intelligent control. The machine adopts an integrated operation process of each system. Therefore, while running uninterruptedly, the various components work together to ensure production efficiency.
Light Ecological Burden
Carbonization process adopts controlled&closed combustion. Application of this technology reduces incineration of rice husks, thereby reducing harmful substances release. In addition, charcoal production relieves the pressure on farmland or waste landfills. This effectively releases land space.
High Return on Investment
Although the initial investment in rice husk carbonizer may be high, the carbonized rice husk charcoal has a high market value. Therefore, as the project progresses in a long-term and stable manner, the unit cost will gradually decrease. Thus, this improves the overall economic feasibility.
Beston Rice Hull Carbonizer for Sale
To meet the needs of different customers, Beston Group offers a comprehensive range of rice husk charcoal making machine for sale. Our product line ranges from small equipment to large systems suitable for large-scale operations. We also provide expert support in planning production facilities to ensure integration of the equipment. The following is a specific parameter table:

Model BST-50
- BST-50S technology vetted by puro.earth
- 6,000 tons biochar production annually
- 7200H/Y stable & safe operation
- 4 Configuration options

Model BST-06
- 8000H/Y stable & safe operation
- Low-cost carbon removal process verification
- Small-scale test machine
- 2 Configuration options
Model | BST-50 Standard | BST-50S LM | BST-50S HM | BST-50S MAX | BST-06 Standard | BST-06MAX |
---|---|---|---|---|---|---|
Time to Market | 2015 | 2022 | 2022 | 2022 | 2025 | 2025 |
Operating Mode | Continuous | Continuous | Continuous | Continuous | Continuous | Continuous |
Application | Commercial Scale | Commercial Scale | Commercial Scale | Commercial Scale | Testing | Testing |
Dust Removal System | Standard | Advanced | Advanced | Advanced | Standard | Advanced |
Feeding Capacity | 10-15m³/h | 10-15m³/h | 10-15m³/h | 10-15m³/h | 100-300KG/H | 100-300KG/H |
Biochar Discharge Temperature | 45℃ | 45℃ | 45℃ | 45℃ | 45℃ | 45℃ |
Puro.earth Authentication Model | × | √ | √ | √ | × | |
Maximum Pyrolysis temperature | 650℃ | 650℃ | 650℃ | 850℃ | 650℃ | |
Service Life | 5-8 years | 5-8 years | 5-8 years | 8-10 years | 5-8 years | |
Annual Operating Time | 7200 hours | 7200 hours | 7200 hours | 7200 hours | 8000 hours | |
Land Space Required (L*W*H*m) | 35m×15m×8m | 65m×15m×8m | 65m×15m×8m | 65m×15m×8m | 25m*18m*6m | |
Total Power (KW) | 201.25kW | 453.35kW | 505.35kW | 505.35kW | 129.79 | 162.79 |
Cooling Method | Recycling cooling Water | Industrial chiller | Industrial chiller | Industrial chiller | Recycling cooling Water | Industrial chiller |
Installation Period (Calendar Days) | 50 | 70 | 70 | 70 | 45 | 50 |
Basic Overview of Rice Husk Charcoal Machine
Rice husk carbonizer is mainly composed of feeding system, carbonization furnace, charcoal collection system and exhaust gas treatment system. The following is a component diagram:
Successful Projects of Rice Husk Charcoal Making Machine

10–15 m³/h Rice Husk Charcoal Project in Colombia
Project Goals
Recycle rice husks from farming and processing for barbecue fuel and soil improvement.
Project Status
Installation Completed | Operating
Project Outcomes
- Process 10 – 15 m³ of rice husks per hour, efficiently convert this biomass into charcoal.
- Use biochar as soil additives, which supports sustainable agriculture in Colombia.

2-4 m³/h Rice Husk Charcoal Project in Costa Rica
Project Goals
Disposal of rice husk leftover from rice processing to charcoal for fuel.
Project Status
Installation Completed | Operating
Project Outcomes
- Efficiently processes 2–4 m³ of rice husks per hour with stable performance.
- Adds value to agricultural waste by producing marketable charcoal.

2-4 m³/h Rice Husk Charcoal Project in Argentina
Project Goals
Recycle rice husks from local farms and mills to produce barbecue charcoal.
Project Status
Installation Completed | Operating
Project Outcomes
- Handles 2–4 m³ of rice husks per hour, ensuring consistent charcoal output.
- Helps reduce open burning of agricultural waste and promotes cleaner energy use.
Advanced Design of Beston Rice Hull Carbonizer

Automation Design
- PLC system: Provides on-site automated control for start/stop, parameter adjustment, and fault protection, ensuring stable operation.
- Internet of Things (IoT): Enables real-time monitoring of equipment status, usage data, and faults via remote platforms.
Safe Design
- Explosion-proof hole: Located at the end of the main furnace to release excess pressure and prevent explosion.
- Explosion-proof water seal: Installed on the gas pipeline to relieve abnormal internal pressure buildup.
Energy Saving Design
Air Heat Exchanger System: The heat utilization rate of rice husk charcoal making machine is higher, the use of air heat exchanger can effectively improve the thermal efficiency by 5-10%, and the energy saving effect is good.
How to Make Rice Husk Charcoal – Analysis in Different Stages
01 Preparation before Carbonization
- Pretreatment: After drying and crushing, the rice husk particle size is less than 20mm and the moisture content is less than 15%.
- Preheating: Start the burner and heat the main furnace for 60-90 minutes.
- Feeding: High-angle belt conveyor transports the processed rice husk to the main furnace.
02 Rice Husk Carbonization Process
During this stage, many thermal decomposition reactions occur in the biochar reactor. These complex reactions are cross-linked to form charcoal:
- Drying: In the initial stage, the moisture in the rice husk is released at a lower temperature. This process usually occurs at a temperature below 150℃, and the internal and external moisture in the rice husk is evaporated by heating.
- Endothermic: As the temperature rises to about 220-270℃, the cellulose, lignin and hemicellulose in the rice husk begin to undergo chemical changes. They undergo demethylation reactions and begin to release Combustible gaseous substances.
- Carbonization: When temperature is further increased to 270-400℃, volatiles in the rice husk are released. This stage mainly involves reactions such as pyrolysis, dehydrogenation, condensation and hydrogenation of aromatic ring compounds.
03 Combustion System Fuel Replacement
04 Rice Husk Charcoal Collection
05 Briquette Production(Optional)
Versatile Applications of Rice Husk Charcoal

Fuel Alternative Solution for Industrial Plants
Rice husk charcoal made from rice husk carbonizer is widely used not only as hookah or BBQ charcoal but also as an efficient fuel source in many industrial plants. It provides a sustainable heat supply for facilities such as cement plants, boiler plants, brick factories, ceramic plants, power stations, and ships.
- Renewable fuel application: Utilizing rice husk charcoal reduces reliance on conventional fossil fuels and supports cleaner industrial energy use.
- Operational & economic benefits: This fuel alternative lowers energy costs and creates new revenue opportunities for high-energy-consuming industries.

Charcoal Production for Steel Mills/Silicon Plants
The charcoal produced by rice husk charcoal making machine is free of impurities, lightweight, has low thermal conductivity, and excellent heat retention properties. When used in steel mills or silicon plants, biochar has the following advantages:
- Thermal insulation advantage: In metallurgy and casting, using carbonized rice husks to cover molten steel or iron reduces heat loss through radiation, convection, and conduction.
- Energy & quality improvement: This insulation lowers the melting temperature and energy consumption without compromising casting temperature.
- Yield enhancement: It also minimizes steel shrinkage, significantly improving the steel yield.

Soil Remediation and Improvement
The generated rice husk biochar can significantly increase soil pH, change soil texture, and increase base exchange capacity, thereby causing soil CEC to increase.
- Organic matter transformation: Rice husk biochar can adsorb soil organic molecules and promote the polymerization of small organic molecules to form SOM through surface catalytic activity.
- Long-term soil enrichment: Its extremely slow decomposition contributes to humus formation and enhances soil fertility over time.

Carbon Sequestration and Emission Reduction
During the rice growth process, the plant captures carbon dioxide through photosynthesis. After harvesting, rice processing produces residue—rice husk—which typically undergoes natural decomposition or open burning, returning carbon to the atmosphere.
- Carbon sequestration: Rice husk charcoal machine converts this agricultural waste into stable biochar.
- Long-term carbon storage: Once sealed underground, the biochar remains isolated from the atmosphere for centuries or even millennia.
Rice Husk Charcoal Making Machine Contributes to Sustainable Agriculture
Improve Farmland Soil Environment
Neutralize Agricultural Emissions
Integrate Agricultural Supply Chain
Increase Agricultural Economic Income



In the existing agricultural system, planting and processing occur separately. The waste generated by crops after processing can’t flow back to the planting stage. The introduction of rice hull carbonizer converts rice processing waste into carbon-rich resources, which plays a significant role in agricultural planting. Thus, the machine creates a closed loop of planting and processing resources. Thus, it promotes the development of agricultural circular economy.

Choose Beston Group as Partner in Rice Husk Recycling Project
“The technology of Beston rice husk charcoal making machine is the best and most trusted among all the carbonization processes that I know in the market.” One of our customers said this. Besides technology, Beston’s various patents and certificates, high-quality products, customized solutions, and full-service support have won global trust. Join us! We will help you build benchmark project in your country. For more information about the carbonization project, you can visit our LinkedIn.