Back to results
US 2015/0031140 A1Published application
Composition of photocatalyst and method of using the same for degradation of fuel waste in contaminated water
AssigneeUmm Al-Qura University
InventorsZaki S. Seddigi, SALEH A. SALEH
Life of this patent
Estimating the term…
Abstract
The present disclosure relates to a novel photocatalyst composition and a process of using the photocatalyst for the photocatalytic degradation of methyl tertiary-butyl ether (MTBE) in water. Palladium doped nano zinc oxide photocatalyst was prepared by zinc nitrate hexahydrate and an ammonium carbonate and the photocatalyst composition demonstrated more than 90-99% degradation of MTBE at room temperatures in a photo catalytic reaction conducted in an oxygen saturated aqueous medium.
Claims20
A method comprising;
- mixing a zinc nitrate hexahydrate and an ammonium carbonate in a water;
- separating a zinc oxide (ZnO) precipitate formed by centrifugation;
- washing the zinc oxide precipitate with deionized water followed by washing with ethanol;
- drying the zinc oxide precipitate overnight;
- and
- calcining the zinc oxide precipitate to obtain nano zinc oxide particles
3 more elements
A process, comprising:
- adding a predetermined amount of a photocatalyst into a water contaminated with methyl tertiary-butyl ether forming a solution;
- loading the solution onto photochemical reactor;
- saturating the solution by bubbling oxygen;
- exposing the solution to UV light for a required period of time;
- collecting a sample following UV exposure at regular intervals;
- and
- calculating the MTBE concentration in the sample with gas chromatography.
4 more elements
A process comprising:
- adding a predetermined amount of a photocatalyst into a deionized water contaminated with MTBE forming a solution;
- loading the solution onto photochemical reactor;
- saturating the solution by bubbling oxygen;
- exposing the solution to UV light for a required period of time;
- collecting a sample following UV exposure at regular intervals;
- and
- calculating the MTBE concentration in the sample with gas chromatography.
4 more elements
Dependencies are inferred from the claim text.