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Specification for Coconut Shell based Granular Activated Carbon
| Properties | Units | Grades of granular activated carbon | |||
|---|---|---|---|---|---|
| ASTM | SG-500 | SG-800 | SG-1000 | SG-1100 | |
| Iodine Value | No | 550 | 850 | 1000 | 1100 |
| Apparent Density | kg/m3 | 580 | 550 | 510 | 480 |
| CTC Adsorption | % | 25 | 50 | 55 | 60 |
| Hardness | % | 99 | 98 | 98 | 98 |
| Ash Content | % | 5 | 4 | 3 | 3 |
| pH Value | 8-10 | ||||
| Sieve Size | Any Desired Size | ||||
| Subject | Pellet activated carbon | ||||
|---|---|---|---|---|---|
| Coarseness (mm) | 4mm & 6 mm | ||||
| Iodine Absorb (mg/g) | ≥700 | ≥800 | ≥900 | ≥1000 | ≥1100 |
| CTC | ≥30 | ≥40 | ≥50 | ≥60 | ≥90 |
| Hardness (%) | ≥98 | ≥98 | ≥98 | ≥98 | ≥98 |
| Moisture (%) | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 |
| Loading Density (g/l) | 600-650 | 550-600 | 500-550 | 450-520 | 430 |
H2S Grade -
| Parameters | Result | Unit | Test Method |
|---|---|---|---|
| Particle Size (Diameter) | 4.03 | mm | ASTM D-2862-16 |
| CTC Activity | 60.37 | % | ASTM D-3467-14 |
| Moisture Content | 3.46 | % | ASTM D-2867-14 |
| H2S | 0.334 | g/cc | |
| Apparent Density | 0.486 | g/cc | ASTM D-2854-14 |
| Ball pan Hardness Number | 98.51 | Number | ASTM D-3802-16 |
| pH | 10.51 | ASTM D-6851-11 |