发明名称 Method for washing a biofilter
摘要 <p>The object of the invention is a water treatment apparatus that comprises one or more containers (2, 21) equipped with gas space, which have one or more water treatment units (3, 4, 8, 13). To the container (2, 21) of the water treatment apparatus defined by the invention has been attached an ejector (24) into which can be conducted gas (G) and water (W), and from which ejector (24) the gas-water mixture (G-W) can be conducted essentially below the water treatment unit (3, 4, 8, 13) by means of a connecting device (23), for washing the water treatment unit (3, 4, 8, 13) and/or the container (2, 21). <IMAGE></p>
申请公布号 EP1428564(A1) 申请公布日期 2004.06.16
申请号 EP20030396103 申请日期 2003.11.14
申请人 OY NATWAT LTD. 发明人 LAHTINEN, HEIKKI
分类号 B01F5/20;B01F3/04;B01F5/02;B01F5/04;C02F1/20;C02F1/72;C02F1/74;C02F1/78;C02F3/06;C02F3/12;C02F3/22;(IPC1-7):B01D24/46;B01D29/66 主分类号 B01F5/20
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