| 摘要 |
FIELD: chemical industry; extraction of perchlorate-ion from a highly-concentrated industrial solution of a complex salt composition. ^ SUBSTANCE: the invention is pertaining to the field of chemical industry, in particular to extraction of perchlorate-ion from a highly-concentrated industrial solution of a complex salt composition. The solution containing perchlorate ion gate through a high-basic anionite in the nitrate form. Anionite recovery is realized in a water solution of alkaline nitrate or alkaline earth metal with concentration from 1 mass % up to concentration of saturation at the temperature of 0-60°C. After recovery the anionite flush with water for reuse. At absence of the industrially produced anionite in the nitrate form it may be gained by keeping in a water solution of nitrate of an alkaline metal of a high-basic anionite in chloride or basic (OH) form. The invention allows to increase efficiency of sorption extraction of perchlorate-ion. ^ EFFECT: the invention ensures increased efficiency of sorption extraction of perchlorate-ion. ^ 9 cl, 4 tbl, 13 ex |
