FIELD: environment protection.
SUBSTANCE: invention relates to environment protection and can be used for water and soil purification from phenol, oil and oil products, metal ions. Claimed is method of obtaining sorbent for water purification based on natural polymer, water processing being carried out with polymer-colloid complex, obtained by mixing chitosan solution with diluted acetic acid and 5-10% water solution of gelatin, with their weight ratio to chitosan to gelatin 1:(1.8-2.2) with further filtration and drying.
EFFECT: increase of sorptive characteristics and obtaining non-toxic, biodegradable sorbent.
1 tbl, 4 ex
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Authors
Dates
2009-04-20—Published
2007-11-07—Filed