Coconut shell activated carbon
Overview
Coconut shell activated carbon is a premium adsorbent material derived from high-quality coconut shells through a controlled activation process. Known for its exceptional microporous structure and high purity, it excels in removing organic contaminants, taste, odor, and color from water, air, and industrial processes. This versatile product is available in granular (GAC) and powdered (PAC) forms, making it suitable for a wide range of B2B applications in water treatment, air purification, and chemical processing. Manufactured to meet stringent international standards such as AWWA B604 for GAC and EN 12915 for water treatment carbons, it ensures reliable performance while complying with health and safety regulations for potable water and food-contact uses when appropriately certified.
Features
- High Microporosity: Predominantly microporous structure (pore size <2 nm) for superior adsorption of low-molecular-weight organics and volatile compounds.
- Exceptional Hardness and Low Dust: Abrasion-resistant with hardness ratings typically exceeding 95%, minimizing fines and ensuring longevity in high-flow systems.
- High Adsorption Capacity: Iodine numbers ranging from 1000-1200 mg/g and BET surface areas of 1000-1200 m²/g for efficient contaminant removal.
- Low Ash and Impurities: Ash content below 5% and low moisture levels (under 5%) to maintain purity and prevent leaching in sensitive applications.
- Neutral to Alkaline pH: Typically 9-11, compatible with most water chemistries without altering system balance.
- Available Forms and Sizes: GAC in standard mesh sizes (e.g., 4×8, 6×12, 8×30, 12×40, 20×50 US mesh); PAC finer than 200-325 mesh for slurry or direct addition processes.
- Compliance-Ready: Tested per ASTM methods (e.g., D4607 for iodine, D3802 for hardness) and suitable for NSF/ANSI 61 evaluation in drinking water systems.
Applications
- Water Treatment: Ideal for municipal and industrial purification, removing chlorine, chloramines, VOCs, pesticides, and disinfection byproducts in point-of-entry (POE) or point-of-use (POU) filters.
- Beverage and Food Processing: Enhances clarity and purity in soft drinks, beer, and edible oils by adsorbing off-flavors and colors, compliant with food-grade regulations when certified.
- Air and Gas Purification: Effective for odor control, VOC removal, and solvent recovery in HVAC systems, respirators, and industrial exhausts.
- Gold Recovery: Used in carbon-in-pulp (CIP) and carbon-in-leach (CIL) processes for efficient precious metal extraction in mining operations.
- Pharmaceutical and Chemical: Purifies process streams, decolorizes solutions, and removes impurities in high-purity manufacturing.
- Wastewater Treatment: PAC form excels in batch or continuous systems for organic load reduction and effluent polishing.
Advantages
- Superior Durability: High mechanical strength reduces attrition losses, extending service life and lowering replacement costs in fixed-bed adsorbers.
- Enhanced Efficiency: Greater micropore volume compared to coal or wood-based carbons, providing better removal of trace organics and improved bed utilization.
- Environmental Sustainability: Sourced from renewable coconut shells, offering a low-carbon footprint alternative with stable performance across varying conditions.
- Cost-Effective Performance: High iodine and methylene blue values ensure maximum adsorption per unit weight, optimizing operational expenses for large-scale users.
- Regulatory Alignment: Adheres to international trade standards, with options for region-specific certifications (e.g., EU EN 12915 for Europe, AWWA B604 for North America), facilitating global procurement.
- Ease of Handling: Low dust generation and standard packaging (25 kg multi-wall bags or 500-1000 kg FIBCs) support safe transport and storage under INCOTERMS.
Parameter | Typical Value (GAC) | Typical Value (PAC) | Test Method/Reference | Units/Notes |
---|---|---|---|---|
Form | Granular | Powdered | – | – |
Raw Material | Coconut Shell | Coconut Shell | – | steam-activated |
Particle Size | 4×8, 6×12, 8×30, 12×40, 20×50 mesh | -200 mesh (95% min), -325 mesh (90% min) | ASTM D2862 | US Sieve Series; custom sizes available |
BET Surface Area | 1000-1200 | 1000-1200 | ASTM D3663 | m²/g |
Iodine Number | 1000-1200 | 1100 min | ASTM D4607 | mg/g |
CTC Activity | 50-60 | 50-60 | ASTM D3467 | % by weight |
Methylene Blue Value | 180-250 | 200-250 | – | mg/g (typical for decolorization) |
Hardness/Abrasion | 95-98 min | N/A | ASTM D3802 | % (Ball-Pan Hardness) |
Ash Content | 3-5 max | 3-5 max | ASTM D2866 | % |
Moisture Content | 5 max | 5 max | ASTM D2867 | % as packaged |
Bulk Density | 0.45-0.55 | 0.40-0.50 | ASTM D2854 | g/cm³ (apparent) |
pH (Water Extract) | 9-11 | 9-11 | ASTM D3838 | – |
Acid-Soluble Matter | 1 max | 1 max | – | % |
Uniformity Coefficient | 1.5-2.0 | N/A | AWWA B604 | For GAC filter beds |
Effective Size | 0.6-1.2 (depending on mesh) | N/A | AWWA B604 | mm |
Pressure Drop | Low (bed-specific) | N/A | – | Consult for system design |
Packaging | 25 kg bags; 500/1000 kg FIBCs | 25 kg bags; 500/1000 kg FIBCs | – | Palletized; store dry |
Standards Compliance | AWWA B604, EN 12915-1, NSF/ANSI 61 (when certified) | EN 12915-1, NSF/ANSI 61 (when certified) | – | Tested per ASTM/ISO; no specific certifications claimed unless verified per SKU |
Customer Reviews
We switched to YONGRUIDA for the activated carbon in our municipal water treatment facility, and the consistency has been remarkable. Their product reliably meets specifications batch after batch, which is critical for our compliance. The Certificate of Analysis with every shipment gives us complete peace of mind.
— David Chen
The technical support from the YONGRUIDA team was invaluable. They analyzed our wastewater stream and recommended a specific grade of GAC that increased our contaminant removal efficiency by over 20%. They are more than a supplier; they are a genuine partner in solving our operational challenges.
— Maria Garcia