Coffee Wood Charcoal

Specifications Details
Size Diameter Φ 30 – 120 mm
Shape Lump form with relatively low uniformity
Fixed Carbon > 64%
Calorific Value > 6600 kcal/kg
Ash Content < 5%
Moisture < 6%
Burning Time ~ 3 hours

Packaging

• PP/BOPP Bags: 10 – 25 kg 
• Paper Bags / PP Bags: 3 – 5 kg 
• Carton Boxes: 3 – 10 kg 

OEM Service: Support logo printing and packaging design under customers’ private label requirements.

Supply Information

• Supply Capacity: 150 MT/month 
• Loading Capacity: 18 MT/40’HC (standard bag loading) 
• MOQ: 1 × 40’HC container 
• Payment Terms: TT (30% deposit) or L/C at sight 
• Delivery Time: Approximately 15 days 
• Loading Port: Ho Chi Minh Port, Vietnam 

Preferred Markets: Middle East, Japan, and markets that prioritize natural charcoal with fast ignition performance and competitive pricing.

Coffee wood used for charcoal carbonization in Vietnam is mainly sourced from coffee plantation replanting activities, orchard renovation and pruning, replacement of aging trees, low-yield plantations, and agricultural land conversion to higher-value crops or fruit trees.
Vietnam is one of the world’s leading coffee-producing countries, especially recognized for its strong position in Robusta coffee production. The country’s favorable tropical climate, volcanic soil conditions, and large agricultural areas create an ideal environment for coffee cultivation. This extensive coffee industry also generates a significant amount of wood biomass from annual plantation renewal and orchard improvement activities.
Coffee-growing regions in Vietnam are concentrated mainly in the Central Highlands, including Dak Lak, Lam Dong, Gia Lai, Dak Nong, and Kon Tum, together with parts of the Southeast region. These areas offer suitable altitude, climate, rainfall, and soil conditions for long-term coffee cultivation and have developed into major raw material zones over several decades.
Coffee trees typically have a relatively long economic life cycle. However, after many years of cultivation, mature plantations often experience declining productivity, lower bean quality, and increasing maintenance costs. As a result, plantation renewal programs are commonly implemented, including tree replacement, replanting with improved varieties, or conversion to alternative agricultural and fruit crops with higher economic returns.
This periodic replanting process creates a relatively stable annual supply of coffee wood for the charcoal carbonization industry. In addition, a portion of the raw material is generated from regular pruning activities carried out to maintain tree health and productivity.
Unlike forestry timber species that are suitable for furniture manufacturing, construction, or advanced wood processing industries, coffee trees generally have small trunk diameters, multiple branches, and irregular wood structure, making them less suitable for value-added wood applications. Therefore, wood generated from plantation renovation is commonly utilized as biomass fuel or converted into charcoal, creating additional value from agricultural by-products.
Coffee wood belongs to the medium-hardness wood category, with low-to-medium density and a distinctive wood structure. After carbonization, these characteristics produce a charcoal product that is relatively lightweight, easy to ignite, capable of stable burning performance, low smoke generation, and may contribute a subtle natural aroma suitable for BBQ applications.
After collection, coffee wood materials are cut into lump form or short sections suitable for carbonization kilns. Dry, decayed, damaged, or unsuitable wood sections are removed before production to ensure more stable finished charcoal quality throughout the manufacturing process.

Packaging

• PP/BOPP Bags: 10 – 25 kg 
• Paper Bags / PP Bags: 3 – 5 kg 
• Carton Boxes: 3 – 10 kg 

OEM Service: Support logo printing and packaging design under customers’ private label requirements.

Supply Information

• Supply Capacity: 150 MT/month 
• Loading Capacity: 18 MT/40’HC (standard bag loading) 
• MOQ: 1 × 40’HC container 
• Payment Terms: TT (30% deposit) or L/C at sight 
• Delivery Time: Approximately 15 days 
• Loading Port: Ho Chi Minh Port, Vietnam 

Preferred Markets: Middle East, Japan, and markets that prioritize natural charcoal with fast ignition performance and competitive pricing.

Overview
Natural wood charcoal is produced from suitable wood species (typically wood materials with limited value for advanced wood processing applications) such as Mangrove, Longan, Eucalyptus, Coffee Wood, Khaya, and various orchard wood species through a carbonization process under oxygen-limited conditions.
During this process, most moisture, natural oils, wood tar, and volatile organic compounds are removed, while the carbon content is retained to form natural charcoal.
The production process consists of multiple stages, including raw material preparation, carbonization, sorting, packaging, and quality inspection before shipment, ensuring that the final products meet technical requirements, commercial specifications, and international transportation standards.

Step 1. Raw Material Sourcing
Raw materials are selected from wood species suitable for charcoal production, including Mangrove, Longan, Eucalyptus, Coffee Wood, Khaya, and various orchard wood species.
Depending on the product category, the wood may originate from plantation forests, fruit orchards, or other appropriately managed raw material regions.

Step 2. Wood Preparation
The wood is cut into logs or billets suitable for the carbonization process. Typical dimensions are approximately 500 mm in length and 50–200 mm in diameter. Larger logs are further cut or split to achieve the required size range.
Standardizing the raw material dimensions helps improve carbonization efficiency and facilitates subsequent grading and packaging operations.
For charcoal production, freshly harvested wood is generally preferred, as it often produces stronger and more stable charcoal after carbonization.

Step 3. Kiln Loading
The prepared wood is loaded into the carbonization kilns manually or semi-manually.
Proper and uniform stacking ensures efficient heat and airflow circulation throughout the kiln during the production cycle while minimizing shifting, collapsing, or breakage of the material.

Step 4. Carbonization
This is the most important stage of the entire production process.
The kilns are designed with dedicated firing chambers that gradually increase the internal temperature through two main stages:
Stage 1 – Moisture Removal (150–200°C)
Free water and internal moisture are gradually removed from the wood. This stage essentially functions as a thermal drying process.
Stage 2 – Carbonization (350–400°C)
The temperature continues to rise, removing the remaining moisture, natural oils, wood tar, and volatile organic compounds. Under oxygen-limited conditions, the wood structure is gradually transformed into charcoal while the carbon content is retained to form natural wood charcoal.
Depending on the wood species, kiln design, kiln size, and environmental conditions, the carbonization process typically takes between 4 and 6 weeks.
This is the most important stage of the entire production process.
The kilns are designed with dedicated firing chambers that gradually increase the internal temperature through two main stages:
The average charcoal recovery rate ranges from approximately 18–25%, meaning that every 100 kg of raw wood typically yields around 18–25 kg of finished charcoal.

Step 5. Natural Cooling
After carbonization is completed, all kiln openings are completely sealed, allowing the charcoal to cool naturally. This is the final stage of the carbonization process.
Natural cooling helps stabilize the charcoal structure, minimize cracking, and prevent re-ignition when exposed to oxygen. The cooling period typically lasts between 1 and 2 weeks, depending on kiln size and construction.

Step 6. Sorting & Grading
After unloading from the kiln, the charcoal is sorted according to size, shape, and quality.
Products that do not meet the required standards, such as partially carbonized or under-carbonized pieces, are removed or reprocessed when appropriate.

Step 7. Processing & Packaging
Depending on customer requirements, the charcoal may be cut, split, crushed, or cleaned to remove any remaining bark before packaging.
Products are packed in PP bags, BOPP bags, paper bags, cartons, or other packaging formats according to customer specifications and target market requirements.

Step 8. Quality Control
Each production batch undergoes quality inspection before shipment.
Quality verification may include combustion testing after kiln unloading and laboratory analysis when requested by customers.
Inspection criteria typically include charcoal type, size, moisture content, hardness, and packaging specifications according to internal standards or customer requirements.

Step 9. Warehouse Storage
After packaging, finished products are stored for a minimum of 7 days in dry and well-ventilated warehouse conditions to ensure fire safety and maintain stable product quality prior to shipment.

Step 10. Container Loading & Export
Products are loaded into containers according to packaging specifications, customer requirements, and international maritime transportation standards.
After final inspection, the cargo is transported to the port and exported under the agreed international trade terms.