Activated carbon, also known as activated
charcoal, is a highly porous form of carbon that is used for various
applications due to its adsorption properties. It is produced by heating
carbonaceous materials, such as coal, wood, or coconut shells, at high
temperatures in the absence of oxygen, which creates a network of pores and
increases its surface area.
Here are the details of Activated Carbon along with its CAS number:
- Chemical formula: Variable (mainly consists of carbon)
- CAS Number: 7440-44-0 (Carbon)
Activated carbon is characterized by its large surface area and high adsorption capacity, which allow it to effectively adsorb a wide range of gases, vapors, and dissolved substances. It is widely used in various industries and applications, including:
1. Water Treatment: Activated carbon is used in water treatment processes to remove organic contaminants, chlorine, taste, odor, and other impurities from drinking water, wastewater, and industrial process water.
2. Air PurificationActivated carbon is used in air purification systems and filters to remove volatile organic compounds (VOCs), odors, and airborne pollutants from indoor and outdoor air.
3. Gas Purification: Activated carbon is used
in gas purification processes to remove impurities, such as sulfur compounds,
mercury, and volatile organic compounds, from natural gas, biogas, and
industrial gases.
4. Chemical and Pharmaceutical Industries: Activated carbon is used in the chemical and pharmaceutical industries for the purification of chemicals, solvents, and pharmaceutical products, as well as for the removal of impurities and contaminants from process streams.
5. Environmental Remediation: Activated carbon is used in environmental remediation projects to remove contaminants from soil and groundwater, such as pesticides, hydrocarbons, and heavy metals.
6. Food and Beverage Industry: Activated carbon is used in the food and beverage industry for the purification and decolorization of food products, such as sugar, edible oils, and alcoholic beverages.
Activated carbon is available in various forms, including powdered activated carbon (PAC), granular activated carbon (GAC), and activated carbon fibers (ACF), each suited for specific applications and adsorption requirements. The selection of activated carbon depends on factors such as pore size, surface area, and the nature of the contaminants to be removed.
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