Physical Properties
- Color: Black
- Mesh Size: 8 x 16 or as per required
- Bulk Density: 0.45-0.55 g/ml min
- Effective Size: 1.19 ~2.38 mm
- Ash Content: 3% max
- Iodine Number: 1,050 mg/g
- Moisture as packed: 5 %
- pH 8 – 11
- Hardness : 98% Min
- Particle Size Distribution : 92% Min
Operating Condition
- Water to be filtered should preferably be free of oil and suspended matter
- The water to be filtered should be relatively free of iron and turbidity for maximum service life
- Water pH range: wide range
- Bed depth: min 36 in.
- Freeboard: 50% of bed depth (min.)
- Service flow rate: 5 gpm/sq. ft.
- Backwash flow rate: 10-12 gpm/sq. ft.
- Backwash bed expansion: 30-40% of bed depth
- Upon installation, backwash to remove carbon fines before placing unit into service