Overview
Calgon Activated Carbon is a form of processed carbon with a highly porous structure, designed to adsorb a wide range of contaminants from liquids and gases. It is produced from organic materials such as coconut shells, coal, or wood, which are activated through thermal or chemical processes to enhance their adsorption properties. Due to its high surface area, often exceeding 1,000 m²/g, Calgon Activated Carbon is widely used in environmental, industrial, and medical applications. Its ability to remove organic compounds, chlorine, and other impurities makes it indispensable in water and air purification systems.
Physical and Chemical Properties
Calgon Activated Carbon exhibits a black, granular or powdered appearance, with a low bulk density ranging from 0.2 to 0.6 g/cm³ depending on its form. Its porous structure, consisting of micro-, meso-, and macropores, provides a vast internal surface area, enabling efficient adsorption of molecules. The material is chemically inert under normal conditions and insoluble in water. It can withstand high temperatures but may ignite in the presence of strong oxidizers. Key performance indicators include the iodine number (measuring micropore volume) and the methylene blue index (indicating mesopore adsorption capacity).
Main Applications
Water treatment is the largest application for Calgon Activated Carbon, where it removes organic contaminants, chlorine, and odors from drinking water and wastewater. In air purification, it captures volatile organic compounds (VOCs) and hazardous gases in industrial and residential settings. The chemical and pharmaceutical industries use it for decolorization, purification, and catalyst recovery. Additionally, it plays a critical role in gold extraction by adsorbing gold cyanide complexes from ore slurries. Emerging applications include gas storage and electrode materials for supercapacitors.
Safety and Storage
While Calgon Activated Carbon is non-toxic, its fine dust can cause respiratory irritation. Proper personal protective equipment (PPE), such as masks and gloves, is recommended during handling. Static electricity may accumulate during transport, requiring grounding to prevent ignition risks. Storage should be in a dry, well-ventilated area, away from oxidizing agents and flammable materials. Bulk storage in silos or sealed containers prevents moisture absorption, which can reduce adsorption efficiency. Spills should be cleaned promptly to avoid slip hazards.
B2B Procurement Guide
When procuring Calgon Activated Carbon, buyers should specify the required iodine number (typically 900-1,200 mg/g for water treatment) and particle size (e.g., 8x30 mesh for granular applications). Moisture content should be below 5% to ensure optimal performance. Suppliers may offer virgin or reactivated carbon, with the latter being a cost-effective option for certain applications. Lead times and minimum order quantities vary; large-scale users may negotiate contracts for steady supply. Testing samples before bulk purchase is advisable to confirm performance metrics.
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