What's the difference between calcined charcoal and fried charcoal? What can we learn from it?

The difference between calcined charcoal and fried charcoal lies in the different materials. It can be understood from two aspects.

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2. Charcoal calcination: put the pure medicinal materials into a large pot, cover another pot with a slightly smaller diameter, seal the joint of the two pots with yellow mud, press a heavy object on it, and heat it with strong fire after the yellow mud is slightly dry. After calcination for 2-4 hours, carbonization can be seen. Experience shows that when water drops on the pot, it will immediately see boiling, or first stick a piece of white paper on the bottom of the pot, and when the paper turns brown, we will stop adding fire and block the oven door. It takes about 65,438+00 hours. After the calciner is completely cooled, open the cauldron and take out the charcoal powder.