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(11)    Patent No :    AP 2141    (73) Applicant(s)       
(21)    Application No :    AP/P/2005/003446    INTAKA INVESTMENTS (PROPRIETARY) LIMITED, No. 1       
            Fairhill Park, Bell Crescent, Westlake Business Park,       
                   
(22)    Filing Date :    14.11.2005    Westlake, Cape Town,       
(24)            South Africa       
    Date of Grant &    16.08.2010           
                   
(45)    Publication :

(30)    Priority Data            (72) Inventors   
    (33) Country    (31) Number    (32) Date    BENIA Ignacio, South Africa   
    ZA    2004/10084    14.12.2004    (74) Representative   
(84)    Designated State           
                   
    BW  MZ   NA    SD   TZ   ZM        FISHER CORMACK & BOTHA   
                   
(51)    International    Classification    B01D 53/04 (2006.01)    B01D 53/047 (2006.01)   
            C01B 13/02 (2006.01)    C01B 21/04 (2006.01)   

(54)    Title

Apparatus for and method of seperating oxygen from air

(57)    Abstract

An apparatus for separating oxygen from air. The apparatus comprises a compressor for compressing air, a zeolite molecular sieve through which the compressed air is passed and onto which nitrogen is adsorbed. The apparatus includes a control system for regulating the pressure at which air is passed through the molecular sieve and a refrigeration system for removing water from the compressed air.

(56)    Documents Cited :    JP-55149621 A    CA -1322971 C    JP-60264308 A    JP-2063520 A

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