FIELD: burial of soda production wastes in mines formed by solving of salt beds through drill wells. SUBSTANCE: method comes to burial of wastes in form of sludge suspension with density exceeding density of forced out brine. Wastes are delivered into chamber through one tube string, and brine is extracted through other tube string. Novelty is that sludge suspension is brought to required density, 1230-1400 kg/m3 and is delivered into underground chamber at rate defined by ratio of sludge settling-to-brine forcing out speeds within 140-640. Bottom of sludge delivering tube string is set at level corresponding to middle of chamber low temperature range. EFFECT: enlarged operating capabilities. 1 dwg
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