| 摘要 |
FIELD: extraction of agents with the aid of sorbents; ferrous and non-ferrous metallurgy; cleaning industrial and domestic runoff. ^ SUBSTANCE: sorption is carried out on helium anionite containing exchange groups at preliminary treatment with acid, alkali or water; sorption is conducted at pH=0-2. ^ EFFECT: prompt and effective extraction of chromium ions from aqueous solutions at increased content of chromium. ^ 3 dwg, 3 ex |
