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US 11,684,896 B2Granted
Rice-husk derived silicon carbide membrane sorbent for oil removal
AssigneeKing Fahd University of Petroleum and Minerals
InventorsIsam H. Aljundi, Chanbasha Basheer, Rashed Saed Bakdash
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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.
Claims20
A membrane sorbent, comprising:
- 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.
3 more elements
Dependencies are inferred from the claim text.