Back to results
US 12,496,556 B2Granted
Method for separating an oil-water emulsion
AssigneeKing Fahd University of Petroleum and Minerals
InventorsIsam H. Aljundi, Chanbasha Basheer, Rashed Saed Bakdash
Life of this patent
Estimating the term…
Abstract
A membrane sorbent is described, which comprises 1-6 wt % silicon carbide nanoparticles dispersed in a polymer matrix. The polymer matrix may comprise polysulfone and polyvinylpyrrolidone. The membrane sorbent is used for separating oil from a contaminated water mixture. The silicon carbide nanoparticles of the membrane sorbent may be made from rice husk ash.
Claims11
A method for separating an oil-water emulsion, comprising:
- contacting the oil-water emulsion with a feed side of an adsorbent cartridge having a permeate outlet, and wherein a water fraction of the oil-water emulsion permeates through the adsorbent cartridge;
- and
- recovering the water fraction depleted in oil compared with the oil-water emulsion;
- wherein the adsorbent cartridge comprises:
- first and second rigid porous sheets disposed coplanar to one another, and
- a membrane sorbent between the porous sheets,
- wherein the membrane sorbent comprises:
- silicon carbide nanoparticles dispersed in a polymer matrix,
- the polymer matrix comprising:
- a polysulfone polymer, and
- a second polymer;
- wherein the membrane sorbent comprises the silicon carbide nanoparticles at a weight percentage in a range of 1-6 wt % relative to the total weight of the membrane sorbent, and
- wherein the silicon carbide nanoparticles have a surface area in a range of 120 to 140 m2/g and a pore volume in a range of 0.15 to 0.25 cm3/g.
10 more elements
Dependencies are inferred from the claim text.