Specifications

walnut shell
1.environment-friendly
2.walnut purity: 95%
3.free sample, factory price
4.hardness: 3%,

walnut shell water filter media for oil field

 

Description:

 

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 yel

lowish-brown, not decay, without spot, and has high tenacity.  

 

Application:

 

Walnut shell is used for the filtration of water. This is the best technology for the removal of oil 

and grease, as well as suspend solids from a variety of heavy oil and other oilfield produced 

water streams. Walnut shell is chemically inert, hard, resilient and perfect for oily water processing.

 

 

Specification:

 

Item	Data
Degreasing rate	90-96%
Suspended solids removal	95-98%
Filter velocity	20-25m/h
Density	1.26g/cm3
Backwash strength	25m3/m2h
Flushing pressure	0.32mpa
Stack density	0.85g/cm3

 

 

 

 

 

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