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strong strength walnut shell activated carbon for oil industry
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Walnut shell , water treatment materials,? filter materials.
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Walnut shell filtering material is made of high quality walnut shell, through crushing, polishing, steaming and washing,?high temperature?treatment,?two times?screening processing.Walnut shell filtering material with high hardness, wear resistance, good pressure resistance, resistance to pressure of 23.4kgf, stable chemical property, do not dissolve in acid and alkali?, excellent absorption sewage interception capability, adsorption rate?is 27 - 50%, with good hydrophilicity, oil? resistance, etc..
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Due to Walnut shell filtering material? with the proper?hardness,?ideal density, porous and versatility, and processed by special physical and chemical treatment ( remove the pigment, fat, oil, electricity), make it has the strong?performances of oil removal,solid particles removal, easily backwashing etc?in water treatment. walnut shell has been widely used in oil field wastewater treatment, industrial wastewater treatment and water treatment. It is the new water treatment material to replace?quartz sand filter, improve water quality, greatly reduce the cost. .
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| Test article | ?Test result | Test article | Test result |
| deoiling | 90-95% | Backwashing intensity | 25m3/m2 |
| Suspended solids removal rate | 95-98% | water pressure | 0.32mPa |
| filtering velocity | 20-25m/h | consumption | 5-10%/year |
| density | 1.25g/cm | bulk density | 0.8g/cm |
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