Process for treatment of a fluid

Details Process for treatment of a fluid Process for treatment of a fluid

1994-09-26

1996-12-03

Cintins, Ivars

Liquid purification or separation

Processes

Ion exchange or selective sorption

95148, 210676, 210691, 210694, C02F 128

Patent

active

055804616

ABSTRACT:
A continuous process for treating a fluid comprising at least one chemical contaminant. The process comprises the steps of: (i) contacting the fluid with a particulate absorbent material; (ii) allowing the adsorbent material to adsorb the chemical contaminant present in the fluid and thereby produce a substantially purified fluid and a contaminant-carrying adsorbent material with the proviso that the adsorbent material is not completely loaded with the contaminant; (iii) separating the contaminant-carrying adsorbent material from the substantially purified fluid; (iv) contacting the contaminant-carrying adsorbent material with an aqueous slurry of a metal oxide in the presence of an electron acceptor and electromagnetic radiation in at least one of the ultraviolet and visible regions; (v) allowing the contaminant carried on the adsorbent material to decompose to form a product; (vi) dissociating the product from the contaminant-carrying adsorbent to provide a regenerated adsorbent material; (vii) recycling the regenerated adsorbent material to Step (i); and (viii) recycling the aqueous slurry to Step (iv). In Step (iv) of the process, contact of the contaminant-carrying adsorbent material with an aqueous slurry of metal oxide in the presence of an electron acceptor and electromagnetic radiation in at least one of the ultraviolet and visible regions leads, in Step (v), to decomposition of substantially all of the contaminant loaded onto the adsorbent material in Step (ii) resulting in a dissociation of the product(s) of decomposition to provide a regenerated adsorbent material (Step (vi)).

REFERENCES:
patent: 2969297 (1961-01-01), Grosvenor
patent: 3935294 (1976-01-01), Teller
patent: 4861484 (1989-08-01), Lichtin et al.
patent: 5087374 (1992-02-01), Ding

Affiliated with

Also associated with

Rating

Process for treatment of a fluid does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for treatment of a fluid, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for treatment of a fluid will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-782485