JP2004033802A5

JP2004033802A5 -

Info

Publication number: JP2004033802A5
Application number: JP2002190199A
Authority: JP
Filing date: 2002-06-28
Publication date: 2005-06-09
Anticipated expiration: 2022-06-28

Description

（４）装置本体側壁に（斜めに取り付けられた邪魔板により形成される）ガス、液及び固液分離部を多段に取り付け、被処理水を流入する被処理水送液管を底部に配設し、装置内に脱窒菌を含有する汚泥を保持した上向流汚泥床処理装置からなることを特徴とする生物学的脱窒装置。
（５）装置本体側壁との角度が３５度以下、かつ各占有面積が装置断面積の２分の１以上となる邪魔板により形成されるガス、液及び固液分離部を多段に取り付け、被処理水を流入する被処理水送液管を底部に配設し、装置内に脱窒菌を含有する汚泥を保持した上向流汚泥床処理装置からなることを特徴とする生物学的脱窒装置。
（６）前記上向流嫌気性汚泥床処理装置が、電子供与体及び／又は消泡剤を注入し、流入水のリアクター内部での通水速度を０．５〜５ｍ／ｈになるように調節した被処理水を被処理水送液管から流入する請求項５記載の生物学的脱窒装置。
(4) Gas, liquid and solid-liquid separation units (formed by an obliquely installed baffle) are attached to the side wall of the main assembly of the apparatus in multiple stages, and a treated water feed pipe for flowing in treated water is disposed at the bottom A biological denitrification apparatus comprising an upward flow sludge bed treatment apparatus in which sludge containing denitrifying bacteria is held in the apparatus.
(5) Gas, liquid, and solid-liquid separation sections formed by baffles with an angle of 35 degrees or less with the device body side wall and each occupied area being a half or more of the device cross section are attached in multiple stages. A biological denitrification apparatus characterized in that it comprises an upward flow sludge bed treatment apparatus in which a treated water feed pipe into which treated water flows in is disposed at the bottom and the sludge containing denitrifying bacteria is held in the apparatus. .
(6) The upflow anaerobic sludge bed treatment apparatus injects an electron donor and / or an antifoaming agent so that the flow rate of inflow water in the reactor becomes 0.5 to 5 m / h. The biological denitrification apparatus according to claim 5, wherein the regulated water to be treated flows in from the water feeding pipe for treated water.

Claims

It is a method of carrying out stable denitrification treatment of waste water under biological high load by denitrification tank holding sludge containing denitrifying bacteria, wherein the denitrification treatment is carried out in multiple stages of gas / liquid / solid-liquid separation unit A biological denitrification method characterized by using an upflow sludge bed treatment apparatus having the same.

The formation of scum inside the gas / liquid / solid / liquid separation unit is prevented by blowing a gas into the gas / liquid / solid / liquid separation unit, and the sludge bed is mixed. Biological denitrification methods.

The biology according to claim 1 or 2 characterized by preventing foaming and the formation of scum inside said gas, liquid, solid-liquid separation part by adding an antifoamer to treated liquid. Denitrification method.

The gas, liquid and solid-liquid separation unit (formed by an obliquely installed baffle) is attached to the side wall of the main body of the apparatus in multiple stages, and the treated water feed pipe to which the treated water flows is disposed at the bottom. What is claimed is: 1. A biological denitrification apparatus comprising an upward flow sludge bed treatment apparatus holding sludge containing denitrifying bacteria therein.

Attach the gas, liquid, and solid-liquid separation sections formed by baffles with an angle of 35 degrees or less with the device body side wall and each occupied area being a half or more of the device cross-sectional area in multiple stages, A biological denitrification apparatus comprising an upflow sludge bed treatment apparatus in which an incoming treated water feed pipe is disposed at the bottom and the sludge containing denitrifying bacteria is held in the apparatus.

The upflow anaerobic sludge bed treatment apparatus injects an electron donor and / or an antifoaming agent, and adjusts the flow rate of inflow water inside the reactor to 0.5 to 5 m / h. The biological denitrification apparatus according to claim 5, wherein the treated water flows in from the treated water feed pipe.