FIELD: carbon materials.
SUBSTANCE: invention relates to technology of manufacturing porous carbon materials based on fine-size compositions preferably for use as filter elements in micro- and ultrafiltration processes. According to invention, pore agent is dispersed via diluting it with high-dispersed carbonaceous powder in joint grinding-and-mixing process and resulting mixture is added to charge. Carbonaceous powder utilized is either carbon black or colloidal graphite with particle size not larger than 0.5 μm and pore agent-to-diluent ratio is between 1:1 and 1:2.
EFFECT: increased permeability of materials.
4 cl, 2 tbl, 2 ex
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Authors
Dates
2005-01-20—Published
2003-02-13—Filed