Walnut Shell Filter Media
What Specifications of our Walnut Shell Filter Media ?
Appearance | Granular |
Color | Brown |
Flash Point | 193°C (380°F) |
Charring Temperature | 243°C (470°F) |
Specific Gravity | 1.2-1.4 |
Hardness | MOH 2.5-4 |
PH at 25°C in neutral water | 4-6 |
Free moisture(80ºC for 15 HRS) | 3-9% |
Oil Content | 0.25% |
Volumetric Weight | 850kg/m3 |
Dilatability | 0.5% |
Solubility | Insoluble |
Particle Shape | Irregular |
Proportion | 1.2-1.5g/cm3 |
Bulk Density | 0.8g/cm3 |
Wear Rate | ≤1.5 % |
Rind Puffing Rate | 3% |
Void Ratio | 47 |
Oil Removal Efficiency | 90-95% |
Suspended Solids Removal Rate | 95-98% |
Filtration Rate | 20-26m/h |
Backwashing Strength | 25m3/m2.h |
Water Flushing Pressure | 0.32MPa |
Physical and chemical performance index
Model | Size (mm) | Model | Size (mm) |
6# | 3.35-4.00 | 35# | 0.500-0.600 |
7# | 2.80-3.35 | 45# | 0.355-0.500 |
8# | 2.36-2.80 | 60# | 0.250-0.355 |
10# | 2.00-2.36 | 80# | 0.180-0.250 |
12# | 1.70-2.00 | 100# | 0.150-0.180 |
14# | 1.40-1.70 | 120# | 0.125-0.150 |
16# | 1.18-1.40 | 150# | 0.100-0.125 |
18# | 1.00-1.18 | 180# | 0.080-0.100 |
20# | 0.850-1.00 | 200# | 0.075-0.080 |
25# | 0.710-0.850 | 240# | 0.063-0.075 |
30# | 0.600-0.710 | 280# | 0.050-0.06 |
Common Size: 0.5-1.0mm 0.5-0.8mm 0.6-1.2mm 0.8-1.6mm 1.0-2.0mm 2.0-4.0mm,
or according to customers requirements.
What Applications of our Walnut Shell Filter Media ?
The Walnut Shell can be used as abrasive, filter and stuffing material.
As abrasive material:
- Pearls and jewels polishing
- Electronic components polishing and deburring
- Punching parts polishing and deburring
- Spectacle fittings polishing and deburring
- Button polishing and deburring
As filter material:
- Containing oil Industrial water treatment
- Industrial sewage treatment
- Environmental protection equipment filter
- Water purification filter material
- Residential water treatment
As stuffing material: Sealing off the ground fissures in oil drilling
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