METHOD OF CLEANING NATURAL AND SEWAGE WATERS FROM SUSPENDED SUBSTANCES AND MICROORGANISMS Russian patent published in 2005 - IPC

FIELD: methods of water cleaning.

SUBSTANCE: invention designed for cleaning natural and sewage waters from dispersed substances and microorganisms can be used at water preparation, at wood working, rubber and metal working enterprises and also at cleaning of household sewage. According to proposed method, reagent is introduced into initial water and mixed with water, and sediment is separated by settling. Used as reagent is product obtained at interaction of colloidal solution of aluminum hydroxochloride, dynamic viscosity of 90-180 Pa.s with hexamethylene tetramine, mass ratio 1:(0.01-0.1). 10% working solution is prepared from obtained hard product and is used in amount of 0.5-10.0 ml per liter of water under cleaning.

EFFECT: improved cleaning characteristics and degree of cleaning five-sex fold increase of sedimentation rate and cleaning of water from microorganisms.

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