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US 12,698,224 B2Granted
Synthesis of nanophotocatalyst for sewage water treatment
AssigneeKing Saud University
InventorsManal Ahmed Awad, Hanan Fahad AlHarbi, Khalid Mustafa Ortashi, Latifah Abdullrahman AlHumaid, Abdullah Anwar Ibrahim
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Abstract
A method of synthesizing a ZnO nano-photocatalyst is provided, including providing an aqueous extract comprising pigeon droppings, filtering the aqueous extract to produce a filtrate, precipitating a solution of zinc nitrate with the filtrate to obtain a paste, and calcining the paste to obtain ZnO nanoparticles, wherein the ZnO nanoparticles are suitable for use as a nano-photocatalyst in sewage water treatment applications.
Claims12
A method of producing a ZnO nano-photocatalyst comprising:
- providing an aqueous extract comprising pigeon droppings;
- filtering the aqueous extract to produce a filtrate;
- mixing zinc nitrate with the filtrate to obtain a paste;
- and
- calcining the paste to produce the ZnO nano-photocatalyst.
2 more elements
A method of treating sewage, comprising:
- providing an aqueous extract comprising pigeon droppings;
- filtering the aqueous extract to produce a filtrate;
- mixing zinc nitrate with the filtrate to obtain a paste;
- calcining the paste to obtain a ZnO nano-photocatalyst;
- and
- applying the ZnO nano-photocatalyst to the sewage;
- wherein the ZnO nano-photocatalyst catalyzes degradation of at least one organic compound in the sewage.
4 more elements
Dependencies are inferred from the claim text.