activated carbon
Activated carbon is a highly porous material widely used for purification, filtration, and adsorption applications. With an extensive surface area and exceptional adsorption properties, activated carbon effectively removes contaminants from air and water. Our premium-grade activated carbon products meet industry standards and are suitable for various industrial, commercial, and residential applications.
Key Features of Our Activated Carbon
- High Surface Area: 500–2000 m²/g for superior adsorption
- Pore Structure: Micro, meso, and macro pores for diverse applications
- Material: Coconut shell, wood, or coal-based options
- Particle Size: 0.2–5.0 mm customizable for specific needs
- Moisture Content: Less than 5% for optimal performance
- Ash Content: Below 3% for high purity
- pH Level: Neutral (6–8) for versatile use
- Iodine Value: 800–1200 mg/g indicating adsorption capacity
Technical Specifications
| Parameter | Standard Grade | Premium Grade | Industrial Grade |
|---|---|---|---|
| Surface Area (m²/g) | 800-1000 | 1000-1500 | 1500-2000 |
| Iodine Number (mg/g) | 800-900 | 900-1100 | 1100-1200 |
| Methylene Blue Adsorption (mg/g) | 120-150 | 150-180 | 180-220 |
| Bulk Density (g/cm³) | 0.38-0.42 | 0.42-0.46 | 0.46-0.50 |
| Hardness (%) | 90-92 | 92-95 | 95-98 |
Activated Carbon Applications
Our activated carbon products serve multiple industries:
- Water treatment plants for purification
- Air filtration systems in industrial facilities
- Gold recovery in mining operations
- Food and beverage processing
- Pharmaceutical manufacturing
- Automotive emission control
- Household water filters and air purifiers
Activated Carbon FAQ
How often should activated carbon be replaced?
The replacement frequency depends on usage conditions and contaminant load. For water filtration, activated carbon typically lasts 3-6 months in household systems. Industrial applications may require more frequent changes, sometimes weekly or monthly. Signs of exhaustion include reduced filtration efficiency, changes in taste/odor, or pressure drop increases in systems.
Can activated carbon be regenerated?
Yes, activated carbon can be regenerated through thermal, chemical, or biological methods. Thermal reactivation at high temperatures (600-900°C) is most common for industrial applications. However, regeneration efficiency decreases with each cycle, and after 3-5 reactivations, the carbon typically needs replacement. Small-scale users generally find replacement more cost-effective than regeneration.
What's the difference between granular and powdered activated carbon?
Granular activated carbon (GAC) has larger particle sizes (0.2-5mm) and is used in fixed-bed filters for continuous flow systems. Powdered activated carbon (PAC) has finer particles (5-150μm) and is used for batch treatments where it's mixed with liquid and later removed. GAC offers better flow characteristics, while PAC provides faster adsorption rates due to greater surface area exposure.
Storage and Handling
Proper storage ensures activated carbon maintains its effectiveness:
- Store in dry, well-ventilated areas away from direct sunlight
- Keep containers sealed to prevent moisture absorption
- Maintain temperature between 15-30°C (59-86°F)
- Separate from strong oxidizers and chemicals
- Use appropriate PPE when handling to prevent dust inhalation
Quality Assurance
Our activated carbon undergoes rigorous quality testing:
- ASTM International standard testing methods
- ISO 9001 certified production facilities
- Batch testing for adsorption capacity
- Particle size distribution analysis
- Moisture and ash content verification
- Heavy metal and impurity screening