METHOD OF PREPARING DRINKING OR PROCESS WATER AND DEVICE TO THIS END Russian patent published in 2012 - IPC C02F9/12 C02F1/28 

FIELD: process engineering.

SUBSTANCE: invention relates to water quality improvement processes and may be used for preparation of drinking water or in food industry. Initial from the well is cleaned of suspended particles and dissolved organic substances, and subjected to softening and filtration by system of separate filters with the following media: first filter with medium of clay loam with loamy sand bands, second filter with fine quartz sand, third filter with brown clay with inclusions of gravel and pebble stone, fourth filter with subclay quartz sand, fifth filter with crushed clay siltstone, sixth filter with green-light-gray clay with gravel, seventh filter with crushed green-gray siltstone, and eighth filter with quartz sand. Then, waster is forced through ninth candle ceramic filter, decontaminated in UV steriliser and fed to outlet.

EFFECT: simplified production and higher efficiency.

2 cl, 1 dwg