| 摘要 |
<p>PURPOSE: To provide a nitrogen removing device capable of removing nitrogen without installing agitation equipment in a denitrification tank. CONSTITUTION: This device consists of one or more denitrification tanks 6, a nitrification tank 15 having a filter layer 16 on the bottom, a tank 27 for water to be treated, and a circulation pump 17 for conveying a portion of a nitrified liquid present in the nitrification tank 15 into the denitrification tank 6, and the denitrification tank 6 is divided into a first room of the denitrification tank and a second room of the denitrification tank communicating with each other through the bottom with a partitioning plate 12.</p> |
