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Wednesday, October 10, 2012

Homemade Charcoal Pencils by Dry Distillation

Dry distillation is a method to make charcoal and some combustible gases, it is also called coal gas. The main idea of this method is "heat a solid material to decompose lager molecules into smaller molecules". In the end, fiber carbon would leave.

 A charcoal pencil made by dry distillation.


1. Bamboo chopsticks
2. Charcoal
3. Furnace
4. Aluminum foil

Step 1: Wrap bamboo chopsticks with aluminum foil

Don't put too many chopsticks at the same time.

Leave a vent to release combustible gas out

Step 2: Put the package into burning charcoal

Burn the package continuous, until there are no more gas release from the vent.

Step 3: Get charcoal pencils

Homemade charcoal pencils

 Homemade charcoal pencils

 Ha ha~~ I drew the structural formula of TNT.

 There were some tar stick at the Al foil which looks like rainbow.


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