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(11)    Patent No :    AP 2323   
(21)    Application No :    AP/P/2008/004475   
(22)    Filing Date :    12.10.2006   
(24)    Date of Grant &    18.11.2011   
           
(45)    Publication :

(30)  Priority Data       
(33) Country    (31) Number    (32) Date
GB    0520977.0    15.10.2005

(84)    Designated State

BW    GM    GH    KE    LS    MW  MZ   NA   SL
SD    SZ    T Z    UG    ZM    ZW
 

(73) Applicant(s)

HYDROPATH HOLDINGS LIMITED, 2nd Floor, Mansfield House, 1 Southampton Street, London, WC2R 0LR, United Kingdom

(72) Inventors

STEFANINI Daniel, United Kingdom

(74) Representative

GILL, GODLONTON & GERRANS

ZIMBABWE
 

(51)  International  Classification   C02F1/46 (2006.01)    C02F 1/469 (2006.01)


(54)    Title

Water purification method and apparatus involving generation of bipolar layer

(57)    Abstract

Water treatment method and apparatus according to which supply water containing dissolved matter is delivered to at least one treatment surface. An electric field is created in the vicinity of the treatment surface to cause a hydration layer to be established due to the bipolar nature of the water molecules. Water is then extracted from the hydration layer. Such extraction may be effected by osmosis or by removal of the element (s) from the supply water with the hydration layer water thereon, dehydration layer water subsequently being extracted from the clement (s) . The method has been devised to reduce energy consumption for the purpose of providing potable water from seawater .

(56)    Documents Cited :    US-3197394    US-4319979    US-3637482

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