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(11)    Patent No :    AP 1961    (73) Applicant(s)       
(21)    Application No :    AP/P/2005/003440    INTAKA INVESTMENTS (PROPRIETARY) LIMITED, No. 1       
            Fairhill Park, Bell Crescent, Westlake Business Park,       
                   
(22)    Filing Date :    03.11.2005    Westlake, Cape Town,       
(24)            South Africa       
    Date of Grant &    27.02.2009           
                   
(45)    Publication :

(30)  Priority Data    (72) Inventors

    (33) Country    (31) Number    (32) Date    FERNANDO Praderi Murnik,, South Africa   
    ZA    2005/08910    03.11.2005    GASTON Savoi, South Africa   
                   
                (74) Representative   
(84)    Designated State           
                   
    BW  MZ   NA    SD   TZ   ZM        FISHER CORMACK & BOTHA   
                   
(51)    International    Classification    C02F 1/52 (2006.01)    C02F 5/08 (2006.01)   
            B01D 21/02 (2006.01)   

(54)    Title

A clarification vessel for a water treatment plant

(57)    Abstract

A clarification vessel for a water treatment plant having inlets into which raw water and dosing chemicals are fed. The vessel has an inner reaction zone in which the water is agitated to mix the water with the dosing chemicals, an outer collection zone in which clarified water is removed from the vessel in a lower sedimentation zone in which sediment from the water is collected. In this sedimentation zone a flushing zone defined by "sludge boxes" is

(56)    Documents Cited :    ZA 03/09900 A    US 5 688 400 A    DE 3 405 236 A    DE 10 301858 A

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