FIELD: chemistry.
SUBSTANCE: method is meant for reagentless natural water softening. The method can be used in public services in centralised and decentralised water supply systems, as well as in treating water for supplying industrial facilities. Aeration and filtration in a contact mass are carried out preliminarily in order to realise the method of softening natural water. Filtration is carried out in a contact mass with catalytic properties. The contact mass used is an alumomanganese catalyst with 2-3 mm granules. In the preferred version of the method, filtration is carried out at a rate of 0.4-1.2 m/h and aeration with a water outlet with height of 0.5-1.0 m.
EFFECT: method enhances the effect of softening water and reduces power consumption.
3 cl, 2 tbl, 2 ex
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