Chromatography column with carbonaceous adsorbents from pyrolyze

Details Chromatography column with carbonaceous adsorbents from pyrolyze Chromatography column with carbonaceous adsorbents from pyrolyze

1990-05-04

1992-04-14

Therkorn, Ernest G.

Liquid purification or separation

With means to add treating material

Chromatography

2105021, 55386, B01D 1508

Patent

active

051045303

ABSTRACT:
Carbonaceous adsorbent particles having multimodal pore size, including micropores and macropores, with improved adsorptive and separative properties, are prepared by partial pyrolysis of polysulfonated macroporous precursor resins, said resins being in turn derived from macroporous poly(vinylaromatic) resins. The particles may be further treated by activating with reactive gases or by functionalization.

REFERENCES:
patent: 3988919 (1976-11-01), Talmi et al.
patent: 4040990 (1977-08-01), Neely
patent: 4237107 (1980-12-01), Gillot et al.
patent: 4265768 (1981-05-01), Beasly
patent: 4536521 (1985-08-01), Hag
patent: 4775655 (1988-10-01), Edwards
patent: 4839331 (1989-06-01), Maroldo
patent: 4957897 (1990-09-01), Maroldo

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