WATER TREATMENT DEVICE AND WATER TREATMENT METHOD

To provide a water treatment device and a water treatment method capable of preventing a nitrification rate from falling.SOLUTION: A water treatment device 1 that treats water to be treated containing ammonia nitrogen and methane, comprises decreasing means 10 of decreasing the concentration of meth...

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Bibliographic Details
Main Authors SANTO TAKEO, NAKAHARA SADAHITO, KONDO KAZUSHI, KODERA HIROYA
Format Patent
LanguageEnglish
Japanese
Published 13.01.2022
Subjects
CHEMISTRY
METALLURGY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Summary:To provide a water treatment device and a water treatment method capable of preventing a nitrification rate from falling.SOLUTION: A water treatment device 1 that treats water to be treated containing ammonia nitrogen and methane, comprises decreasing means 10 of decreasing the concentration of methane in the water to be treated to 12 mg/L or below to prepare first treated water, and biological treatment means 20 of applying a biological nitrification treatment to the first treated water to obtain second treated water.SELECTED DRAWING: Figure 1 【課題】硝化速度の低下を防止できる水処理装置及び水処理方法の提供。【解決手段】アンモニア態窒素及びメタンを含む被処理水を処理する装置であって、前記被処理水中のメタン濃度を１２ｍｇ／Ｌ以下に低減して第１の処理水とする低減手段１０と、前記第１の処理水を生物硝化処理して第２の処理水とする生物処理手段２０とを備える、水処理装置１。【選択図】図１
Bibliography:Application Number: JP20210035014