Yuxin walnut shell filter because of their hardness, the ideal proportion, porous and multi-faceted, and by the special physical and chemical treatment (pigments, fat, oil, electricity and pay the ion removal clean), has in water treatment strong degreasing properties, in addition to solid particles, easy backwashing excellent performance, walnut shell filter has been widely used in oily wastewater treatment, industrial wastewater treatment and residential water treatment. is to replace the quartz sand, improve water quality, large reduce the rate of water treatment costs of a new generation of media. chemically stable, non-toxic substances, acids, alkalis, dissolved in water is very small, walnut shell loss in hydrochloric acid solution was 4.99%, in the sodium hydroxide solution loss rate of 3.8%, the phenomenon does not cause deterioration of water quality.
| Test items || Test Data || Test items || Test Data |
| Oil removal || 90-95% || Backwash intensity || 25m3; / m2`h |
| Suspended solids removal || 95-98% || Water flushing pressure || 0.32mPa |
| Filtration rate || 20-25m / h || Maintenance mode || Add 5-10% per annum |
| density || 1.25g / cm3; || Bulk density || 0.8g / cm 3.; |
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