| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide waste water treatment equipment which can be applied to a microorganism treatment of low-concentration organic waste water, is suitable for remodeling of an existing aerobic treatment tank, generates little excess sludge, suppresses an emission of a bad odor and has a compact structure. <P>SOLUTION: The waste water treatment equipment having a roughly square shape comprises an aerobic filter bed chamber carrying an aerobic microorganism on a carrier above and an anaerobic fixed bed chamber carrying an anaerobic microorganism on the carrier below, wherein treated water treated by the anaerobic fixed bed chamber is subjected to upward flow to the above aerobic filter bed chamber. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
