GreenPower

16/10/2026

BIOCHAR PRODUCTION: FIVE PROCESS CONTROLS FOR A SPECIFIED PRODUCT
Reliable biochar production starts with its intended application. Soil use, material applications and carbon removal projects require defined product properties and appropriate carbonization technology.

At GREENPOWER, feedstock assessment and target specifications guide five areas of process control.
1. FEEDSTOCK CHARACTERISTICS
Identify feedstock origin, composition, moisture, particle size, bulk density and ash content. Drying, crushing, separation or densification are selected where needed.
2. CARBONIZATION TEMPERATURE
The thermal profile influences fixed carbon (Cfix), volatile matter and char yield. Select it for the required product and verify results through representative testing.
3. RESIDENCE TIME AND MATERIAL FLOW
Residence time, feed rate and discharge must be coordinated with the heat profile and actual feedstock behaviour to achieve the target carbonization level.
4. OXYGEN EXCLUSION AND PYROLYSIS GAS TREATMENT
Indirect heating separates biomass from combustion gases. Preventing air ingress limits unwanted oxidation. Pyrolysis gases undergo controlled thermal neutralization, with heat recovered for the process. Emissions are verified for each installation.
5. COOLING, DISCHARGE AND HANDLING
Controlled cooling and discharge prevent unwanted oxidation. Stabilization, handling and storage form part of the production specification.

PROCESS CONTROL AND VERIFIED QUALITY
GREENPOWER’s continuous BIO-Carbon technology combines indirect heating, automated control, pyrolysis gas treatment and controlled discharge. Temperature-based discharge logic supports the target carbonization regime.

Cfix, volatile matter, ash and moisture describe product composition. Organic carbon (Corg), H/Corg and contaminant testing serve distinct assessment purposes. Certification requires the applicable feedstock, production, product and documentation checks.

Share your feedstock, target properties and required output with GREENPOWER to define the technology and validation scope.
🌐 www.greenpower.equipment
📧 [email protected]
📞 +34 960 730 009

13/10/2026

08/10/2026

BIO-CARBON VS. ROTARY KILN: TWO APPROACHES TO CARBONIZATION
Choosing the right carbonization technology requires more than comparing reactors. Feedstock, energy efficiency, product quality, emissions control and maintenance all influence industrial performance.

BIO-Carbon and rotary kilns follow different engineering approaches.
🔹 Process Control
BIO-Carbon uses continuous dry pyrolysis with indirect heating and no oxygen access to the carbonization zone, ensuring controlled temperatures and stable product discharge.
Rotary kilns use a rotating heated drum, where sealing challenges may allow air ingress, affecting yield and quality.
🔹 Feedstock & Product Quality
BIO-Carbon adapts process parameters to biomass characteristics, supporting uniform carbonization and consistent product quality.
Rotary kilns may face challenges with fine, low-density biomass, including uneven heating and material carryover.
🔹 Energy Integration
GREENPOWER integrates drying, carbonization, cooling and heat recovery through coordinated energy balances and automated control.
🔹 Liquid By-products
BIO-Carbon operates without the formation of liquid pyrolysis products.
Some rotary kiln configurations may require additional systems for condensate collection, storage and handling.
🔹 Industrial Scalability
For large-scale projects, equipment footprint, maintenance requirements and modular expansion become important. GREENPOWER focuses on compact, automated carbonization systems designed for controlled industrial operation and future capacity expansion.

The key difference is not just the reactor design — it is how the entire production process is engineered.

At GREENPOWER, technology selection starts with the feedstock, target product and required production conditions — then the process is engineered around them.
🌐 www.greenpower.equipment
📧 [email protected]
📞 +34 960 730 009

05/10/2026

REDUCING GREENHOUSE GAS EMISSIONS FOR A PROSPEROUS FUTURE

Reducing greenhouse gas emissions requires more than replacing one technology with another. It requires better control of industrial processes, more efficient use of resources, and solutions designed around real operating conditions.

In biomass carbonization, one important area is the treatment of pyrolysis gases released during the process. When these gases are properly managed and thermally neutralized, their environmental impact can be reduced while their energy potential can be utilized within the process.

At GREENPOWER, environmental performance is approached as part of the overall process design.

Our carbonization systems are engineered to provide:
⚙️ CONTROLLED PROCESS CONDITIONS
Stable temperature regimes and automated control help maintain predictable carbonization and reduce unnecessary energy consumption.
🔥 THERMAL NEUTRALIZATION OF PYROLYSIS GASES
The gaseous pyrolysis products are treated in a controlled thermal process rather than being released untreated.
♻️ ENERGY EFFICIENCY
Process heat can be integrated into the overall production cycle, reducing the need for additional external energy.
🌱 RESOURCE EFFICIENCY
Using biomass as a feedstock for carbon-rich products can create value from renewable raw materials while supporting more efficient resource utilization.
🏭 LONG-TERM INDUSTRIAL OPERATION

Durable equipment, automation and engineered process regimes are designed for stable operation over an extended service life.
Reducing emissions is not a single technical step. It is the result of how feedstock preparation, carbonization, gas treatment, heat management and automation work together as one system.

For GREENPOWER, sustainable industrial technology means combining environmental considerations with reliable engineering and measurable process performance.
A more efficient process starts with better control.

🌐 www.greenpower.equipment
📧 [email protected]
📞 +34 960 730 009

29/09/2026

FE SI CHARCOAL PRODUCTION CONCEPT

For ferrosilicon (FeSi) production, charcoal quality is not defined by particle size alone.
The key challenge is mechanical strength — the ability of charcoal to withstand drying, carbonization, cooling, storage, transportation and furnace charging without excessive breakage and fines generation.

Excessive fines can reduce burden permeability, affect gas circulation and make furnace operation less stable. That is why the objective is not simply to produce larger charcoal pieces, but to produce stronger charcoal that maintains its working fraction throughout the logistics chain.

GREENPOWER’s proposed production concept addresses the root causes of charcoal degradation through a controlled process chain:
CRUSHING → SCREENING → DRUM DRYING → BIO-CARBON → CONTROLLED COOLING → FINAL SCREENING
🌳 Feedstock is prepared to a 25–60 mm fraction to improve moisture removal and process uniformity.
💧 Rotary drum drying reduces feedstock moisture to a target of 10–12%, helping minimize steam pressure, cracking and other mechanisms that can weaken charcoal during carbonization.
🔥 The BIO-Carbon continuous dry carbonization system uses indirect heating, controlled slow pyrolysis and prevents oxygen from entering the carbonization zone. This supports uniform carbonization and helps reduce structural damage and fines formation.
⚙️ Controlled cooling and final screening help preserve charcoal quality before it reaches the metallurgical process.

For the FeSi application, the preliminary design targets include:
• Cfix > 82%
• Ash < 3%
• Volatile Matter < 15%
• Moisture < 8%
• Fines

25/09/2026

MULTI-ECO — MODULAR INDUSTRIAL CARBONIZATION COMPLEX
Scaling charcoal production requires more than increasing capacity. It requires stable process conditions, consistent product quality and efficient industrial logistics.

MULTI-ECO is a modular multi-chamber carbonization complex developed from GREENPOWER’s long-term operating experience with EKKO-2iq technology.

Designed for the production of high-quality large-lump charcoal for BBQ, metallurgy and other industrial applications, the system uses dry slow pyrolysis without contact between the feedstock and atmospheric oxygen and without the formation of liquid pyrolysis products.

WHY MULTI-ECO?
🔹 Modular production
Multiple carbonization chambers operate in staggered cycles, creating a stable production flow and allowing flexible capacity scaling.
🔹 Consistent charcoal quality
Controlled heat transfer supports uniform carbonization, high mechanical integrity and stable fixed-carbon content.
🔹 Integrated energy recovery
Energy from pyrolysis gases is recovered and used for carbonization and feedstock drying, reducing external fuel demand.
🔹 Efficient industrial logistics
Mobile platforms and trolleys simplify feedstock movement through drying, carbonization, cooling and unloading.
🔹 Automated process control
The ACS monitors temperature regimes, manages the thermal neutralization system and records production-cycle parameters. Remote monitoring allows both plant operators and GREENPOWER specialists to follow equipment performance.
🔹 Environmental safety
Pyrolysis gases undergo high-temperature thermal neutralization, while their energy is recovered for process needs.

MULTI-ECO combines carbonization, drying, energy recovery, logistics and automation in one coordinated industrial system.
Depending on feedstock and the required Cfix level, production capacity is approximately 100–200 t of charcoal per month.

From modular design to controlled production — MULTI-ECO is built for industrial scale.

🌐 www.greenpower.equipment
📧 [email protected]
📞 +34 960 730 009

23/09/2026

WHERE DOES THE CARBON IN PLANTS COME FROM?

Have you ever wondered how a small seed becomes a big tree?

A plant needs sunlight, water and nutrients. But there is something else that makes up a large part of the plant: carbon.

And where does this carbon come from?

🌬️ From the air.

Plants take in carbon dioxide (CO₂) from the atmosphere. During photosynthesis, they use sunlight to turn CO₂ and water into organic matter.

In simple words:

🌬️ CO₂ from the air
↓
🌱 Plant
↓
🌳 Wood and biomass
↓
🔥 Carbonization
↓
⚫ Carbon-rich material

So when a tree grows, part of the carbon in its wood originally came from the air.

This is one of the most interesting things about biomass: carbon that was once in the atmosphere becomes part of a plant.

When biomass is later processed through carbonization, a significant part of this carbon remains in the solid carbon-rich product.

Understanding where carbon comes from is the first step to understanding what happens to it during carbonization.

18/09/2026

🇸🇪 GREENPOWER EKKO-2iq ON ITS WAY TO SWEDEN

Another GREENPOWER carbonization system is heading to Sweden — this time to Dvärsätt, where our customer is expanding an already operating production.

Since the end of 2021, the company has been successfully operating one EKKO-2iq with pre-drying. Now, as production grows, they are adding another unit to increase capacity.

- Feedstock: birch wood
- Final product: BBQ charcoal

The project is focused on local production of premium Swedish BBQ charcoal. According to the customer’s website, their charcoal is produced from 100% Jämtland birch wood and manufactured locally in Sweden.

For GREENPOWER, this project is another example of how an existing production can be expanded step by step — using proven technology and adapting capacity to growing market demand.

We are proud to continue supporting our Swedish customer Storsjökol as their production develops.

🌐 www.greenpower.equipment
📧 [email protected]
📞 +34 960 730 009

14/09/2026

From Agricultural Residues to a High-Value Product: The Biochar Journey
Agricultural and wood-processing residues are often treated as waste or a disposal cost. With proper preparation and controlled pyrolysis, they can become a stable, high-value carbon product — Bio-Carbon.

This creates an additional revenue stream while reducing dependence on fossil carbon and opening access to industrial, agricultural and carbon-removal markets.

From biomass to Bio-Carbon
Nut shells, fruit and olive pits, wood residues, bamboo, palm kernel shells and other clean biomass can be converted into carbon products.
Proper crushing, drying, sizing and densification ensure stable carbonization and consistent product quality.

Bio-Carbon can create value in several markets:
Industrial — replacing fossil carbon in selected applications such as green steel, ferroalloys, silicon production and filtration.
Agriculture — supporting soil structure and moisture and nutrient retention.
Carbon removal — enabling potential participation in BiCRS/CDR certification systems.
BIO-Carbon-3 by GreenPower
The BIO-Carbon-3 system is designed for controlled industrial dry pyrolysis with automated process control and repeatable Bio-Carbon quality.

BIO-Carbon-3 provides:
880–1,650 t/year biochar production capacity;
final Bio-Carbon temperature of 450–800°C;
controlled carbonization and stable carbon structure;
indirectly heated dry pyrolysis;
automated process control;
secondary thermal oxidizer above 1,250°C.

BIO-Carbon-3 is officially approved under the Rainbow BiCRS V1.1 methodology, Infrastructure and Machinery Module V1.4.

GreenPower can provide the complete process chain from biomass preparation to carbonization, cooling, screening and packaging.

Turn agricultural residues into a marketable carbon product with GreenPower BIO-Carbon technology.
🌐 www.greenpower.equipment
📧 [email protected]
📞 +34 960 730 009