Floatation method and apparatus

Liquid purification or separation – With means to add treating material – Directly applied to separator

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

210109, 210123, 210138, 209170, C02F 124, B01D 17035

Patent

active

055849954

ABSTRACT:
Flotation apparatus (10) for removing finely divided bodies of an insoluble substance dispersed in an aqueous medium, such as oil and solids dispersed in water, comprises a vertical flotation column (12) having a feed inlet (14) and an outlet (22) for the aqueous medium, a sparging system (16) for generating gas bubbles rising upwardly in the aqueous medium to capture and raise the finely divided bodies of the insoluble substance to the surface of the aqueous medium in the column to form a layer (31) of the insoluble substance on the surface of the aqueous medium, a launder (18) for receiving an overflow of the insoluble substance and an outlet (20) for the insoluble substance in the launder. The apparatus (10) can be used in both countercurrent and co-current fashion. In a particular embodiment, the apparatus includes a mechanism for the intermittent dumping of the layer (31) of insoluble substance from the column (12).

REFERENCES:
patent: 1223033 (1917-04-01), Cole
patent: 1314316 (1919-08-01), Flinn
patent: 1319208 (1919-10-01), Cole
patent: 2047989 (1936-07-01), Woelflin
patent: 2695710 (1954-11-01), Gibbs
patent: 2730190 (1956-01-01), Brown
patent: 3339730 (1967-09-01), Boutin
patent: 3479281 (1969-11-01), Kikindai
patent: 4094783 (1978-06-01), Jackson
patent: 4564457 (1986-01-01), Cairo
patent: 4782789 (1988-11-01), Canzoneri
patent: 4874534 (1989-10-01), Sorenson et al.
patent: 4986903 (1991-11-01), Cauzoneri
patent: 5011597 (1991-04-01), Canzoneri
patent: 5080802 (1992-01-01), Cairo, Jr. et al.
patent: 5100546 (1992-03-01), Broussard, Sr.
patent: 5156745 (1992-10-01), Cario, Jr. et al.
patent: 5158678 (1992-10-01), Broussard, Sr.
patent: 5282538 (1994-02-01), Moys
patent: 5294003 (1994-03-01), Hollingsworth
patent: 5300222 (1994-05-01), Broussard, Sr.
patent: 5307937 (1994-05-01), Hutwelker
patent: 5332100 (1994-07-01), Jameson
patent: 5335785 (1994-08-01), Kawatra et al.
patent: 5340469 (1994-08-01), Montgomery
patent: 5431286 (1995-07-01), Xu et al.
"Column Flotation" Finch and Dobby Perganon Press .COPYRGT.1990 pp. 1-2 and 27-33.
Article entitled "Fat Removal from Process Waters Of The Fish Meal Industry, A Study of Three Flotation Methods" by Marti et al Environmental Technology, vol. 15, pp. 29-39 (1994).
Article entitled "Oil Recovery from Oil in Water Emulsions Using a Flotation Column" by Rajinder et al; The Canadian Journal of Chemical Engineering, vol. 68, pp. 959-967 (1990.
Article entitled "Flow Characterization of a Flotation Column by Rajinder et al; The Canadian Journal of Chemical Engineering", vol. 67, pp. 916-923 (1989).
Article entitled "Removal of oil and grease from industrial wastewaters" by Ford et al; Chemical Engineering/Deskbook Issue, Oct. 17, 1977, pp. 49-56.
Publication entitled "Advanced Gas/Liquid Contacting Technology Engineering Guide" published by Mott Metallurigical Corporation prior to 1995.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Floatation method and apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Floatation method and apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Floatation method and apparatus will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1988629

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.