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3-5mm Walnut Shell filter media for Oily Sewage Treatment

Basic Info

Model No.: BY-1008

Product Description

Walnut Shell for Oily Sewage Treatment


1.Description of walnut shell Filter Media


Walnut shell filter material 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.


2.Specifications of walnut shell filter media


Analysis items

Testing data

Analysis items

Testing data

Oil removal


Backwashing strength


Suspended removal rate


Rinse water pressure


Filtration speed






Maintenance method

Every year added 5-10%


3.Product advantage
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.


4.Application of walnut shell filter media

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




Contact us if you need more details on Walnut Shell. We are ready to answer your questions on packaging, logistics, certification or any other aspects about 3-5mm Walnut Shell、Walnut Shell Filter Media. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Abrasive Material > Walnut Shell

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