nut shell filter is multi faced and micro holes, It has high ability of stopping dirt. It

iscapableof removing oil and has high ability of suspension, it closes to water rather

than oil, and hassuitable specific weight, and it is easy to rewash, and it is able to

reproduce.

It is treated in a special way, so it is difficult to be rotted, you dont need to change

filter liquid,but to add just *0% of the initial filter volume, so it can save maintenance,

and it has high usageefficiency.

Because of its natural hardness, ideal specific weight, more holes and more surfaces, and

ithasbeen treated by special physical and chemical ways, so it canremove the oil and

solidity completely, and it is easy to be rewashed. it is widely used inpurifying waste

water which contains oil, industrial waste water and civil water.

It is a kind of new filter product which can replace quartz sand, and can improve water

quality, but decreases water treatment cost.