Advantage of walnut shell
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.
Application of walnut shell
1. It is the ideal filling material for environmental protection equipment.
2. It applies to oil, refining enterprise and other environmental protection engineering for water-oil separation.
3. It is also used in water treatment devices
|Analysis items||Testing data||Analysis items||Testing data|
|Oil removal||90-95%||Backwashing strength||25m3/m2h|
|Suspended removal rate||90-98%||Rinse water pressure||0.32Mpa|
|density||1.3g/cm3||Maintenance method||Every year added 5-10%|