FIELD: chemistry.
SUBSTANCE: invention relates to production of granulated nano-sorbent to be used for removal of radio nuclides and other toxic substances from water. Composition for production of sorbent contains the following substances in wt %: bentonite - 1, green earth - 2.5, aluminium oxychloride - 1, filamentary polycrystalline graphite (UNM "Taunit") in amount of 0.005-0.05 wt % of the sum of bentonite and green earth. Claimed composition is used to make sorbent composed of spherical 2-5 mm-dia pellets or spherical 2-7 mm-dia pellets and with height not exceeding 20 mm.
EFFECT: higher sorbent activity and mechanical strength.
1 dwg, 1 tbl
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Authors
Dates
2013-12-20—Published
2012-03-11—Filed