FIELD: chemical technology. SUBSTANCE: method involves filtration of water through high-basic anionite AM with gel structure in SO3-form. Time contact of water with ionite is 7.5 min, not less. Regeneration of depleted anionite is carried out with sodium sulfite solution in the concentration 8%, not above. Method provides the enhancement of effectiveness of removing oxygen from water. Invention can be used in chemical water treatment in boiler of industrial and other plants receiving hot water by communications, in producing sodium-cationated water for feeding steam boilers. EFFECT: improved removing method. 2 cl, 2 tbl
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