Regeneration of adsorbents using advanced oxidation
AssigneeBoard of Control of Michigan Technological University
InventorsJohn C. Crittenden, Sawang Notthakun, David W. Hand, David L. Perram
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Abstract
The present invention is a method of purifying fluid having organic material. The method comprises two operational steps. The first step includes passing the fluid through an adsorbent such that the organic material is substantially adsorbed by the adsorbent and the fluid is substantially purified. The second step includes destroying the adsorbed organic material on the adsorbent and regenerating the adsorbent in a form substantially free of adsorbed organic material.
Claims16
A method of purifying fluid having organic material, said method comprising the steps of:
- passing the fluid through an adsorbent having a photoreactive catalyst such that the organic material is substantially adsorbed by the adsorbent and the fluid is substantially purified;
- and
- destroying the adsorbed organic material on the adsorbent by substantially only photo-energy and regenerating the adsorbent in a form substantially free of adsorbed organic material.
A method of purifying water contaminated with organic material, said method comprising the steps of:
- passing the contaminated water through granular activated carbon impregnated with a photoreactive catalyst;
- adsorbing the organic material on the granular activated carbon such that the water is substantially purified;
- adding photoenergy to the granular activated carbon and absorbing the photoenergy by the photoreactive catalyst;
- destroying the adsorbed organic material on the surface of the granular activated carbon by substantially only photo-energy;
- and
- regenerating the granular activated carbon in a form substantially free of adsorbed organic material.
A method of purifying water contaminated with organic material, said method comprising the steps of:
- passing the contaminated water through synthetic adsorbent impregnated with a photoreactive catalyst;
- adsorbing the organic material on the synthetic adsorbent such that the water is substantially purified;
- adding photoenergy to the synthetic adsorbent and adsorbing the photoenergy by the photoreactive catalyst;
- destroying the adsorbed organic material on the surface of the synthetic adsorbent by substantially only photo-energy;
- and
- regenerating the synthetic adsorbent in a form substantially free of adsorbed organic material.
Dependencies are inferred from the claim text.