[12] Patent
[11] Patent No.:GC0004563  
[45] Date of Publishing the Grant of the Patent: 31/Dec /2016                32/2016  
Number of the Decision to Grant the Patent:2016/90182
Date of the Decision to Grant the Patent:27/Dec/2016

[21] Application No.:GC 2010-16017

[22] Filing Date:5/6/2010

[30] Priority:

[33] State [32] Priority date [31] Priority No.
FR
4/6/2009
0953700

[72] Inventors:1- GAID AbdelkaderŲŒ2- COEYTAUX Michel

[73] Owner: Veolia Water Solutions & Technologies Support, LAquarene, 1 Place Montgolfier, Saint - Maurice 94417, France

[74] Agent: Suleiman I. Al-Ammar Law Office

  

 

  

[51]IPC:
Int. Cl.: C02F 1/42, 1/44, 9/00 (2006.01)

[56] Cited Documents:

-GB 2 394 678 A (ALTMANN THOMAS [GB]; KENNYCONOR [GB]; ATTENBOROUGH ANTHONY [GB]ALTMA) 5 May 2004
-EP 0 051 104 A1 (OPBERGEN JOSEF GMBH & Co[DE]) 12 May 1982
 
Examiner: Eng. Abdallah I. AlKhatib

[54] PROCESS FOR TREATING WATER FOR DESALINATION OF SAME, INCLUDING A TREATMENT OF THE CONCENTRATES
[57] Abstract: The invention relates to a process for treating water for desalination of same, comprising a step of reverse osmosis or distillation of said water so as to produce an at least partially desalinated water and a first concentrate.According to the invention, such a process includes:- a first demineralization step including a step of nanofiltration of said first concentrate so as to produce a permeate and a second concentrate;- a second demineralization step of said second concentrate by means of at least one active material including cationic- and/or anionic-type ion exchange resins, said second demineralization step including the extraction of a third concentrate and the extraction of an at least partially demineralized water, said at least partially demineralized water being mixed with said at least partially desalinated water;- a regeneration step of said at least one active material, said regeneration step including a step for recirculating said permeate.Figure 1.
No. of claims: 9     No. of figures: 2


 

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