JP2017192934A5 - - Google Patents

Download PDF

Info

Publication number
JP2017192934A5
JP2017192934A5 JP2017075739A JP2017075739A JP2017192934A5 JP 2017192934 A5 JP2017192934 A5 JP 2017192934A5 JP 2017075739 A JP2017075739 A JP 2017075739A JP 2017075739 A JP2017075739 A JP 2017075739A JP 2017192934 A5 JP2017192934 A5 JP 2017192934A5
Authority
JP
Japan
Prior art keywords
nitrification tank
divided
value
predetermined value
controlled
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2017075739A
Other languages
English (en)
Other versions
JP6894278B2 (ja
JP2017192934A (ja
Filing date
Publication date
Application filed filed Critical
Publication of JP2017192934A publication Critical patent/JP2017192934A/ja
Publication of JP2017192934A5 publication Critical patent/JP2017192934A5/ja
Application granted granted Critical
Publication of JP6894278B2 publication Critical patent/JP6894278B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Description

また本発明は、前記硝化槽を機能的に複数に分割し、分割した硝化槽前半部分で、測定したアンモニア濃度に応じて硝化槽前半部分への酸素含有気体供給量を制御すると共に、DO値が所定値以下になるように制御し、一方、分割した硝化槽後半部分で、DO値が前記所定値以上になるように制御して硝化槽前半部分に残留したNH4-NをNOX-Nに硝化することを特徴としている。これによって、放流水のNH4-N+NOX-N値を小さくでき、さらに良好な窒素除去を達成することができる。

Claims (1)

  1. 請求項６に記載の廃水処理方法において、
    前記硝化槽を機能的に複数に分割し、
    分割した硝化槽前半部分で、測定したアンモニア濃度に応じて硝化槽前半部分への酸素含有気体供給量を制御すると共に、DO値が所定値以下になるように制御し、
    一方、分割した硝化槽後半部分で、DO値が前記所定値以上になるように制御して硝化槽前半部分に残留したNH4-NをNOX-Nに硝化することを特徴とする廃水処理方法。
JP2017075739A 2016-04-19 2017-04-06 廃水処理方法 Active JP6894278B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016083735 2016-04-19
JP2016083735 2016-04-19

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2020072323A Division JP6862594B2 (ja) 2016-04-19 2020-04-14 廃水処理方法

Publications (3)

Publication Number Publication Date
JP2017192934A JP2017192934A (ja) 2017-10-26
JP2017192934A5 true JP2017192934A5 (ja) 2019-04-25
JP6894278B2 JP6894278B2 (ja) 2021-06-30

Family

ID=60154543

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2017075739A Active JP6894278B2 (ja) 2016-04-19 2017-04-06 廃水処理方法
JP2020072323A Active JP6862594B2 (ja) 2016-04-19 2020-04-14 廃水処理方法

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2020072323A Active JP6862594B2 (ja) 2016-04-19 2020-04-14 廃水処理方法

Country Status (1)

Country Link
JP (2) JP6894278B2 (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7119568B2 (ja) * 2018-05-23 2022-08-17 王子ホールディングス株式会社 水処理装置および水処理方法
JP7008007B2 (ja) * 2018-10-01 2022-01-25 水ｉｎｇ株式会社 ステップ流入式多段硝化脱窒法及びシステム
KR20200052821A (ko) 2018-11-07 2020-05-15 가부시키가이샤 쿄교쿠엔지니어링 하수처리 시스템
CN111551609A (zh) * 2019-02-11 2020-08-18 山东东润仪表科技股份有限公司 一种基于多参数补偿的抗干扰型氨氮传感器
CN110231376A (zh) * 2019-05-24 2019-09-13 嘉兴道一传感科技有限公司 一种氨氮水质监测传感器及其检测方法
CN110510815B (zh) * 2019-08-27 2022-07-22 危杏 基于同时硝化反硝化的一体化污水处理装置及污水处理方法
JP7421453B2 (ja) * 2020-09-15 2024-01-24 日立造船株式会社 硝化脱窒装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5992096A (ja) * 1982-11-19 1984-05-28 Fuji Electric Co Ltd 廃水の生物学的硝化法
JP3649632B2 (ja) * 1999-11-15 2005-05-18 三菱重工業株式会社 生物学的窒素除去方法
JP2001259689A (ja) * 2000-03-23 2001-09-25 Sumitomo Heavy Ind Ltd 排水処理装置および方法
JP4789113B2 (ja) * 2006-03-01 2011-10-12 三菱重工環境・化学エンジニアリング株式会社 家畜糞尿処理システム及び方法
JP2008221161A (ja) * 2007-03-14 2008-09-25 Kobelco Eco-Solutions Co Ltd 脱窒処理装置および脱窒処理方法
JP5144829B1 (ja) * 2012-07-23 2013-02-13 株式会社堀場製作所 イオン電極
JP6334244B2 (ja) * 2014-04-28 2018-05-30 株式会社日立製作所 水処理プロセス制御システム

Similar Documents

Publication Publication Date Title
JP2017192934A5 (ja)
Massara et al. A review on nitrous oxide (N2O) emissions during biological nutrient removal from municipal wastewater and sludge reject water
EP3747836A4 (en) ANAEROBIC AMMONIA COXIDATION BASED WASTE WATER TREATMENT METHOD USING MBR
JP2016055230A5 (ja)
RU2015113376A (ru) Способ и устройство для удаления азота при обработке сточных вод
PH12019502722B1 (en) Method for a water treatment in a system comprising at least one sequencing batch reactor and a moving bed biofilm reactor
WO2014133997A3 (en) Process for treating municiple wastewater employing two sequencing biofilm batch reactors
EA033195B1 (ru) Способ и устройство для очистки сточных вод активным илом с улучшенным процессом удаления азота и фосфора
DE602006017130D1 (de) Verfahren zur Behandlung einer Ammonium enthaltenden Flüssigkeit
Pan et al. Characteristics of nitrous oxide (N2O) emission from intermittently aerated sequencing batch reactors (IASBRs) treating slaughterhouse wastewater at low temperature
JP2012200705A5 (ja)
JP2015208708A5 (ja)
PH12021551328A1 (en) Water treatment method for simultaneous abatement of carbon, nitrogen and phosphorus, implemented in a sequencing batch moving bed biofilm reactor
PH12018501785A1 (en) Biological removal of micropollutants from wastewater
WO2012002692A3 (ko) 하폐수 처리 공정의 규칙기반 실시간 제어 방법 및 시스템
JP2012236122A5 (ja)
ZA202301526B (en) Simultaneous nitrification/denitrification (sndn) in sequencing batch reactor applications
PT3630686T (pt) Nitrificação e desnitrificação simultânea controlada no tratamento de águas residuais
SA520411692B1 (ar) طريقة للمعالجة الحيوية للنتروجين بالنترتة.
PH12020552256A1 (en) Water treatment method
MA et al. Achieving partial nitritation in sewage treatment system based on treating activated sludge by FNA
LIU et al. Effect of NO2-on N2O production by NH4+ and NH2OH oxidation during nitritation process
MD3567F1 (en) Process for water purification from nitrites
Zhang et al. Town Sewage Treatment Project in Textile Dyeing Industry Region
WO2019117698A3 (es) CEPA MUTANTE DE PARACOCCUS DENITRIFICANS (PdΔζ) CON ACTIVIDAD DESNITRIFICANTE INCREMENTADA, Y MÉTODO ESPECTROFOTOMÉTRICO PARA MEDIR EN TIEMPO REAL LA ACTIVIDAD DESNITRIFICANTE