Method of converting feedwater to fresh water

Details Method of converting feedwater to fresh water Method of converting feedwater to fresh water

2005-06-14

2005-06-14

Fortuna, Ana (Department: 1723)

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

C210S651000, C210S195200, C210S257200

Reexamination Certificate

active

06905604

ABSTRACT:
A method is provided for converting feedwater to fresh water utilizing existing water pressures and high flow rates. At least one reverse osmosis unit is disposed in a feedwater supply conduit. Feedwater is conveyed through the supply conduit and the reverse osmosis unit at a pressure that exceeds the osmotic pressure for solids dissolved in the feedwater. A first stream of fresh water is withdrawn from the reverse osmosis unit as permeate, and a second stream is withdrawn therefrom as effluent. The effluent is returned to, or continues to flow in, the supply conduit downstream of the reverse osmosis unit.

REFERENCES:
patent: 3839206 (1974-10-01), Welch
patent: 4160727 (1979-07-01), Harris, Jr.
patent: 4241787 (1980-12-01), Price
patent: 4243523 (1981-01-01), Pelmulder
patent: 4332685 (1982-06-01), Nowlin et al.
patent: 4366063 (1982-12-01), O'Connor
patent: 4773991 (1988-09-01), Aid
patent: 4848460 (1989-07-01), Johnson, Jr. et al.
patent: 5006234 (1991-04-01), Menon et al.
patent: 5160608 (1992-11-01), Norton
patent: 5250185 (1993-10-01), Tao et al.
patent: 5282972 (1994-02-01), Hanna et al.
patent: 5578205 (1996-11-01), Martin
patent: 5925255 (1999-07-01), Mukhopadhyay
patent: 6068764 (2000-05-01), Chau
patent: 6103125 (2000-08-01), Kuepper
patent: 6183646 (2001-02-01), Williams et al.
patent: 6241892 (2001-06-01), Whitworth
patent: 6334955 (2002-01-01), Kawashima et al.
patent: 6365051 (2002-04-01), Bader
patent: 6395181 (2002-05-01), Mullerheim

Affiliated with

Also associated with

Rating

Method of converting feedwater to fresh water does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method of converting feedwater to fresh water, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of converting feedwater to fresh water will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3512971