WASTE WATERS DIP BIOLOGICAL PURIFICATION METHOD Russian patent published in 1995 - IPC

FIELD: method is used for household, municipal waste waters and similar by composition and number of impurities industrial waste waters purification. SUBSTANCE: waste water is subjected to primary anaerobic sedimentation, where as microorganisms carrier they use casing or porous carrier of microorganisms in conjunction with additional microorganism carrier in the form of chemically active natural lime-bearing sedimentary rocks and porous minerals on the base of potassium alumosilicate. After that stabilized sediment is removed and liquid phase is fed for two step aerobic treatment with usage at first step of porous microorganisms carrier in conjunction with additional microorganism carrier in the form of chemically active natural lime-bearing sedimentary rocks and porous minerals on the base of potassium alumosilicate with following step of clarified water removal, on which to fix microflora they use microorganism carrier in the form of chemically active natural lime-bearing sedimentary rocks and porous minerals on the base of potassium alumosilicate. EFFECT: method provides improved quality of waste waters purification. 3 cl, 1 tbl