FIELD: oil pollution elimination sorbents.
SUBSTANCE: invention relates to preparation of sorption materials based on rational utilization of secondary resources of agricultural-industrial complex and may be used for treatment of water and water surfaces to remove petroleum and lubrication oil pollution. Method comprises removing ballast substances from fruit shell of sunflower seeds via extraction with organic solvent at 45-55oC followed by settling-mediated separation of fruit shell from solution of ballast substances in solvent, after which water is added to separated fruit shell, resulting mixture is aged, frozen, aged, unfrozen, and dried.
EFFECT: enabled preparation of sorbent with high yield and high capacity.
1 tbl, 2 ex
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Authors
Dates
2004-11-27—Published
2003-12-22—Filed