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    • 10. 发明专利
    • PURIFYING TREATMENT
    • JPS63302920A
    • 1988-12-09
    • JP13924587
    • 1987-06-03
    • SUMITOMO COAL MININGHORII KYOYUKI
    • HORII KIYOYUKIMATSUI SHIGERUMIZUNO JIRO
    • B01D53/38B01D15/02B01D53/10B01D53/12B01D53/34B01D53/81C02F1/28
    • PURPOSE:To purify contaminated fluid with high efficiency by a simple method, by using an adsorbent to adsorb and remove contaminants while carrying the contaminated fluid by a Coanda spiral flow. CONSTITUTION:Contaminated fluid such as air and water which is contaminated with bacteria, microorganisms and poisonous gas is pressurized with a compressor 4 and sent to the annular slit 3 of a Coanda spiral flow forming device 1 and a granular adsorbent such as activated carbon fed from a hopper 6 is introduced through an introduction port 5. The Coanda spiral flow formed in the Coanda spiral flow forming device 1 carries the contaminated fluid and the adsorbent to a duct 2 and mixes them. The contaminated fluid is purified in this process. This carry is high-speed and treatment in a short time is performed and it differs from the mixing in a turbulent flow and therefore the contact of the adsorbent and the inner wall of the pipe is remarkably inhibited. In the separators 7 provided to the outlet of the duct 2, purified fluid is recovered through the separation pipes 8, 9 and the adsorbent is recovered through a recovery pipe 10 and the recovered adsorbent is circulated to the hopper 6 after regeneration.