Modified activated carbon

Details Modified activated carbon Modified activated carbon

1996-06-18

1998-01-06

Choi, Kathleen

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

428401, 428408, B01D 3904, B01D 3916

Patent

active

057052697

ABSTRACT:
An activated carbon is modified to have bactericidal properties and/or an additional ability to remove heavy metals and other toxic substances. Said modified activated carbon is especially suitable for purifying drinking water and can be readily modified to be suitable for various regions with specific tap water impurities. Pursuant to the invention, activated carbon fiber is treated to adsorb a member of the group consisting of cations, anions, organic complex forming agents, surfactants, polyelectrolytes and organic bactericidal compounds.

REFERENCES:
patent: 3325402 (1967-06-01), Mortimer
patent: 4238334 (1980-12-01), Halbfoster
patent: 4789475 (1988-12-01), Harte et al.
patent: 4929502 (1990-05-01), Giglia
patent: 4966872 (1990-10-01), Horowitz et al.
patent: 5032281 (1991-07-01), Nagamotsu et al.
patent: 5360734 (1994-11-01), Chapman et al.

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