Properties of activated carbon26.04.2021
Activated carbon production26.04.2021
Some of the first historical mentions of the use of coal date back to Ancient India. The Sanskrit scriptures said that water must be passed through coal, kept in copper vessels, and exposed to sunlight.
The useful properties of coal were also known in Ancient Egypt, where charcoal was used for medicinal purposes as early as 1.5 thousand years BC. e. The ancient Romans also used coal to purify water, beer, and wine.
Later, the adsorptive capacity of charcoal was first noticed at the end of the 18th century. In 1773 the German chemist Karl Scheele reported on the adsorption of gases on charcoal. Later it was found that charcoal can discolor liquids. In 1794, charcoal was first used in an English sugar refinery. In 1808, charcoal was used in France to clarify sugar syrup. In 1811, when preparing a black boot cream, the discoloration of bone charcoal was discovered.
The industrial production of activated carbon began at the beginning of the 20th century. In 1909, the first batch of powdered coal was produced in Europe.
During the First World War, activated carbon from coconut shells was first used as an adsorbent in gas masks.
Currently, activated carbons occupy a leading place among filter materials. The area of application of activated carbons has expanded greatly. Activated carbons play an important role in protecting the environment.