초록 ▼

Active carbon fibers derived from acrylic fibers and having a BET specific surface area (SA) of 800 to 2,000 m2/g, a pore volume (Vp) to (SA) ratio, i.e., (Vp)/(SA), of from 5×10-4 to 14.5×10-4, and a methylene blue adsorption rate constant of not less than 5×10-1 sec-1, and a filter adsorption unit

Active carbon fibers derived from acrylic fibers and having a BET specific surface area (SA) of 800 to 2,000 m2/g, a pore volume (Vp) to (SA) ratio, i.e., (Vp)/(SA), of from 5×10-4 to 14.5×10-4, and a methylene blue adsorption rate constant of not less than 5×10-1 sec-1, and a filter adsorption unit for water purification using said active carbon fibers; the unit is useful to remove compounds having a wide range of molecular weights from an aqueous liquid.

대표청구항 ▼

A filter adsorption unit for water purification, comprising a vessel having an inlet for water to be treated, a packing space for active carbon fibers and an outlet for treating water, said packing space further containing at least first active carbon fibers being derived from acrylic fibers and hav

A filter adsorption unit for water purification, comprising a vessel having an inlet for water to be treated, a packing space for active carbon fibers and an outlet for treating water, said packing space further containing at least first active carbon fibers being derived from acrylic fibers and having a BET specific surface area (SA1) of from 800 to 2,000 m2/g, a ratio (S1) of pore volume (Vp1) to BET specific surface area (SA1) of from 5×10-4 to 14.5×10-4, and a methylene blue adsorption rate constant (MB1) of not less than 5×10-1 sec-1.