Activated Carbon
Activated carbon, also known as activated charcoal, is a highly porous material widely used for purification and filtration across various industries. Its exceptional adsorption properties make it ideal for removing contaminants from air, water, and gases.
Activated Carbon Product Specifications
Key Parameters of Our Activated Carbon:
- Material: High-grade coconut shell/wood/coal-based
- Iodine Value: 900-1100 mg/g (indicates adsorption capacity)
- Surface Area: 900-1200 m²/g
- Particle Size: 4x8, 6x12, 8x16, 12x30, 20x50 mesh
- Moisture Content: ≤5%
- Ash Content: ≤5%
- Hardness: ≥95%
- pH Value: 7-10
Performance Comparison Table
| Parameter | Powdered Activated Carbon | Granular Activated Carbon | Pelletized Activated Carbon |
|---|---|---|---|
| Primary Use | Liquid phase applications | Both liquid and gas phase | Gas phase applications |
| Surface Area (m²/g) | 800-1200 | 800-1200 | 800-1200 |
| Typical Particle Size | 5-150 microns | 0.2-5 mm | 3-5 mm diameter |
| Bulk Density (g/cm³) | 0.25-0.45 | 0.40-0.55 | 0.45-0.55 |
Frequently Asked Questions About Activated Carbon
1. What is the difference between activated carbon and regular charcoal?
Activated carbon undergoes additional processing to create a vast network of pores, significantly increasing its surface area and adsorption capacity compared to regular charcoal. The activation process, either physical or chemical, develops these microporous structures that give activated carbon its exceptional filtering properties.
2. How often should activated carbon be replaced in filtration systems?
The replacement frequency depends on usage and contamination levels. For home water filters, typically every 3-6 months. In industrial applications, performance monitoring determines replacement timing. Signs of exhaustion include reduced flow rate, change in taste/odor, or breakthrough of contaminants. Activated carbon becomes saturated when its pores fill with adsorbed materials.
3. Can activated carbon be reused or reactivated?
While activated carbon can technically be reactivated through thermal processes that burn off adsorbed contaminants, this requires specialized high-temperature equipment (600-900°C). For most users, especially in small-scale applications, replacement is more practical. Industrial users sometimes send spent activated carbon to specialized reactivation facilities.
Activated carbon continues to be the preferred choice for purification across numerous industries including water treatment, food processing, pharmaceuticals, and air purification due to its proven effectiveness and safety profile. When selecting activated carbon, consider your specific application requirements to choose the optimal form, material source, and specifications.