Carbonaceous adsorbents from pyrolyzed polysulfonated polymers

Details Carbonaceous adsorbents from pyrolyzed polysulfonated polymers Carbonaceous adsorbents from pyrolyzed polysulfonated polymers

1991-07-15

1992-03-10

Therkorn, Ernest G.

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210656, 55 67, 55197, B01D 1508

Patent

active

050947540

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.

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patent: 4536521 (1985-08-01), Haq
patent: 4775655 (1988-10-01), Edwards
patent: 4839331 (1989-06-01), Maroldo
patent: 4957897 (1990-09-01), Maroldo

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