METHOD OF PREPARING GRANULATED ORGANOMINERAL SORBENTS BASED ON TRANSITION METAL FERRI- AND FERROCYANIDES

摘要

FIELD: inorganic sorbents. SUBSTANCE: inorganic sorbents based on transition metal ferri- and ferrocyanides are mixed with solution of a polymer in a hydrophilic solvent. Resultant suspension is dispersed in water to produce granules that are washed out by water and dried. According to invention, polymer is acetylcellulose, solvent dimethylformamide (dimethylacetamide) or acetic acid and, prior to be mixed with sorbent, polymer solution is complemented with water at water to polymer ratio (2.2-2.6): 1, after which polymer is redissolved. EFFECT: optimized process conditions.