Coconut Shell Charcoal

Coconut Shell Charcoal


There are many ways of charcoal making, but the simplest so far is the use of drum. The

method modified by the Forest Products Research and Industries Development (Los Baños)

are the following:



– Ordinary drum (5.5 galon capacity)

– Chimney on top

– Opening on top

– 3 sets of air ventilation, 1 foot apart with ½ inch holes equally distributed around the drum (to

obtain even burning).

– rounded wood 4 inches in diameter

– rag to be ignited from the bottom.



1. Place rounded wood at the center of the drum.

2. Arrange coconut shells around it until it is covered.

3. Remove the chimney and ignite the rag at the bottom.

4. When the fire is well underway, cover the drum and place the chimney.

5. Feed additional shells when the charge shells have shrunk.

6. The process of charcoal making starts at the bottom going upward and at the middle going

out. At the beginning of charcoal making, the holes and air ventilations at the bottom are open.

7. When the oven is heated continuously until the desired temperature is reached, peep holes

are closed and the second set of holes are opened.

8. The closing of peep holes and opening of new air ventilation continues until charcoal

making is completed.

9. Carbonization is completed when thin smoke comes out and becomes bluish.

10. Cover all the holes until the drum gets cool. Charcoal yield is about 30%.

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Charcoal Making in Clay Stove


Clay Preparation


1. At the center of the oven, stand a 2 meters straight wood which will serve as support for wood to be arranged perpendicular to the oven.

– Shorter cuts of wood will be arranged around the center until it reaches the wall of the round pit of the oven.

– Use only woods which grow easily like ipil-ipil, bakauan, pototan, kakawate, kamachile, anabiong, tangal, agoho and alibangbang.

– Add small cuttings of wood on top of the first layers of wood in order to help mold the top walls or roof of clay.


2. Place grass, worn sacks, or banana bark around the sides and top layers of wood.


3. Burn more clay, crush and mix it well proportionate to the fresh, glutinous clay.

– In this mixture, make clay balls about one foot in diameter size.

– Arrange the clay balls on top of each other and press hard around the wood filled with grass wood to serve as walls of its sides and top portion..


4. Beat the clay walls repeatedly with large wood so it will become durable. This has a round shape with rounded roof.


5. If the walls around is completely molded, place two adjoining holes about 10 cm wide at the upper side of the oven. This will hasten the charcoal production. This will last up to two weeks


The drying of the oven will last up to two weeks before it can of use.


B. Charcoal Making in Clay Stove


1. The first ignition must be done when the two chimneys and the other holes are still open. The wood inside will become charcoal within seven days.


2. At the beginning white smoke will come out from the two chimneys. On succeeding days lack smoke will be seen and up to the seventh day when the smoke is completely clean which means the charcoal processing is finished.


3. To put off the fire of the oven, close completely with stone and clay its fire hole. After two hours, close the two chimneys and other holes or air outlets. After a day when the fire was put off, let the oven cool by pouring water with clay twice.


4. In getting the charcoal, make an opening at the side of the two oven (between its firing hole and its chimney). Do this by the use of a “paet” or any pointed object. The yield of charcoal is about 20-27 sacks.


5. In the initial use of the clay stove, cracks will be formed while the clay is not yet fully dried. Seal the cracks with fresh clay.


K. Reusing Clay Stove


1. Clean and fix well the clay stove holes, like the firing holes and the chimneys.


2. On next charcoal making, arrange the wood just what you did before. Leave a 10 cm space open opposite the chimney.


3. Return the door cover of the stove by closing it with fresh clay. Make sure the holes for air are open so with the two chimneys.


4. Ignite the stove again.


Source:tekno tulong

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