METHOD AND DEVICE FOR LIQUID TREATMENT Russian patent published in 2001 - IPC

FIELD: methods and devices for treatment of liquids, particularly, for filtration under pressure of liquids such as water supplied from distributing system. SUBSTANCE: water from distributing system is supplied by device having closed body and connected with it at least filtering means for purification of liquid, and means for organization of inlet and/or outlet flows of liquid. Filtering means are made in the form of thin filtering film, preferably, such as trace membrane radiated with particles, etched trace membranes made of material based on plastic with thickness, preferably of 7-25 mcm and pores sizing 0.05-10 mcm. Filtering film as a component of filtering means is cleaned spontaneously with the help of cleaning means using pressure, movement and/or other properties of liquid to be purified, or purified liquid. EFFECT: simple and reliable method with reliable results of liquid treatment. 9 cl, 4 dwg