Walnut shell filter applications

Walnut shell filter: The shells filter material was developed by our company,mainly aiming at oily wastewater treatment. , Applicable to light oil refinerythe and enterprise Water treatment devices. Since the products on the market, the north, central, xinjiang, henan, shengli oilfield, zhenhai. Walnut shell filter is multi faced and micro holes. It hashigh ability of stopping dirt. It is capable of removing oil and has high ability of suspension, it closes to water rather than oil, and has suitable specific weight, and it is easy to rewash, and t is able to reproduce. It is treated in a special way, so it is difficult to be rotted, you don't need to change filter liquid, but to add just 10% of the initial filter volume, so it can save maintenance, and it has high usage efficiency. Because of its natural hardness, ideal specific weight, more holes and more surfaces, and it has been treated by special physical and chemical ways, so it can remove the oil and solidity completely, and it is easy to be rewashed. It is widely used in purifying waste water whoch contains oil, industrial waste water and civil water. It is a kind of new filter product which can replace quartz sand, and can improve wate quality, but decreases water treatment cost 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 Filtration speed 20-25m/h Capacity 0.8g/cm3 density 1.3g/cm3 Maintenance method Every year added 5-10%