FIELD: preparing of materials used for purification of industrial and sewage water.
SUBSTANCE: method involves concentrating natural zeolite material on concentration table; providing electromagnetic separation and granulation, with montmorillonite being used as binding agent in granulation process. Method allows sorptive-filtering material free of oxide and hydroxide forms of iron to be produced.
EFFECT: increased adsorptive capacity of material with open pores, sufficient specific surface, improved mechanical strength and thermal stability.
1 dwg, 1 tbl, 1 ex
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