Walnut shell is developed and produced to lightweight filter material aiming at oily sewage treatment. Raw material is based on superior quality thick pecan shell, produced through degreasing, crushing, polishing, thermophilic digesting and many times screening. It is yellowish-brown, not decay, without spot, and has high tenacity.
Product name | Walnut shell |
Appearance | Granular |
Color | Brown |
Hardness | MOH 2.5-3 |
PH at 25°C in neutral water | 3-6 |
Dilatability | 0.5% |
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 |
Walnut shell application
Pearls and jewels polishing
Button polishing
Spectacle fittings polishing
Electronic components polishing
Punching parts polishing
Polishing resin/wooden hull
Our Walnut shell advantages
1. High hardness, wear resistance, and good pressure resistance.
2. Easy to dissolve in acid and alkali solution.
3. Strong adsorption and dirt-cutting ability. Its adsorption rate is 27-50%.
4. Good hydrophilic, resistant to oil immersed.
5. Easy to backwashing and regeneration. It can be directly used for backwashing before filtering.
6. Low operation cost, and easy to manage.
Walnut shell
Package:25kg or 50kg a bag ,or accoding your requirement .
Shipping :5-7days after make order .
1. 24 hours online service.
2.10 years of production and export experience.
3.Free samples.
4.Professional testing report before make order.
5.Professional staff to help you solve the problem on the product.
1. Payment: T/T, Western Union, 30% deposits; 70% balance before delivering, Or any other Payments if possible.
2. Delivery Time: 7-15 days
3. MOQ: 1 ton or as customer request.
4. Package Information:
Packing with Kraft paper bag with liner;
Packing with Bowie with liner;
Palletized when loading in container;
As customer request.
5. The nearest port: Tianjin and Qingdao port
6. The time for the cargo to the nearest port: 1-2 days.