Treated silica for oil absorption

Details Treated silica for oil absorption Treated silica for oil absorption

1990-08-15

1991-08-06

Cintins, Ivars

Liquid purification or separation

Processes

Ion exchange or selective sorption

210924, C02F 128

Patent

active

050375571

ABSTRACT:
Fumed silica treated with octamethylcyclotetrasiloxane or hexamethyldisilazane are disclosed for the absorption of hydrocarbon spills, particularly on a body of water without the absorption of water.

REFERENCES:
patent: 2819151 (1958-01-01), Flemmert
patent: 2938009 (1960-05-01), Lucas
patent: 3004859 (1961-10-01), Lightenwalner
patent: 3053627 (1962-09-01), Flemmert
patent: 3203759 (1965-08-01), Flemmert
patent: 3382170 (1968-05-01), Pape
patent: 3562153 (1971-02-01), Tully et al.
patent: 3635743 (1972-01-01), Smith
patent: 3847848 (1974-11-01), Beers
patent: 4054689 (1977-10-01), Calvin
patent: 4151078 (1979-04-01), Calvin
patent: 4526780 (1985-07-01), Marschner et al.
patent: 4536399 (1985-08-01), Flynn et al.

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