Sawdust charcoal

Coconut Shell Charcoal Manufacturing Process

In history, mankind had researched volcano’s lava erupting over the forest and applied it into charcoal manufacturing. Among all types of charcoal, coconut shell is one of the most favorable and eco-friendly product, which is made from sustainable natural resources.
Coconut shell charcoal is the by-product of pyrolysis process which involves burning coconut shells in a limited supply of oxygen in order to carbonize it first. After that, coconut shell charcoal is crushed into powder and mixed with botanical adhesive to manufacture different shapes and size of charcoal briquettes. Drying and packaging are final steps to carry out before launching coconut shell charcoal.   

Manufacturing process includes a variety of phases but it can be shortened in 2 main stages: 

Stage 1- Carbonizing – Cooling: This stage turns raw material into coconut shell charcoal in different size: 3 x 6, 5 x 10, 6 x 12,..mesh.
- Carbonizing time: 3 – 5 days with average temperature: 400-600˚C ( creating black charcoal)

- Cooling: watering to lower down the temperature quickly in 1 hour and let it cool in kiln under 40˚C ( average time is 2 – 3 days).

Stage 2: Crushing – Adding botanical adhesive – Pressing briquettes – Drying – Packaging - Storage. ( Illustrated by the table below)
-    Crushing process turns coconut shell charcoal into powder.
-    Mixing botanical adhesive is made under the moisture of 25%.
-    Pressing charcoal into different shapes of briquettes including cylinder, pillow, hexagon…

-    Drying: average time is 24 – 48 hours/turn ( each turn can be 1 -2 MT) under the temperature from 150˚C to 200˚C.
-    Packaging as customer’s specific requests: in PP and PE, in carton box, in craft bag…

Coconut shell charcoal is increasingly popular because of its own advantages. It is completely eco-friendly, safe to use and easy to inflame plus its high level of calorific value, as a whole coconut shell charcoal becomes widely used in food industry. 


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