JP2015093258A5 - - Google Patents
Download PDFInfo
- Publication number
- JP2015093258A5 JP2015093258A5 JP2013235288A JP2013235288A JP2015093258A5 JP 2015093258 A5 JP2015093258 A5 JP 2015093258A5 JP 2013235288 A JP2013235288 A JP 2013235288A JP 2013235288 A JP2013235288 A JP 2013235288A JP 2015093258 A5 JP2015093258 A5 JP 2015093258A5
- Authority
- JP
- Japan
- Prior art keywords
- denitrification
- treatment
- liquid
- nitritation
- treatment liquid
- 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
Links
- 239000007788 liquid Substances 0.000 claims 50
- 230000000802 nitrating Effects 0.000 claims 18
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims 18
- 241000894006 Bacteria Species 0.000 claims 12
- 238000006243 chemical reaction Methods 0.000 claims 12
- IOVCWXUNBOPUCH-UHFFFAOYSA-M nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 claims 9
- -1 nitrite nitrogen Chemical compound 0.000 claims 9
- 229910052757 nitrogen Inorganic materials 0.000 claims 8
- 230000000102 heterotrophic Effects 0.000 claims 7
- CVTZKFWZDBJAHE-UHFFFAOYSA-N [N].N Chemical compound [N].N CVTZKFWZDBJAHE-UHFFFAOYSA-N 0.000 claims 6
- 230000001651 autotrophic Effects 0.000 claims 5
- 241001453382 Nitrosomonadales Species 0.000 claims 4
- 239000012530 fluid Substances 0.000 claims 4
- 238000000034 method Methods 0.000 claims 4
- 239000005416 organic matter Substances 0.000 claims 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims 3
- 239000000969 carrier Substances 0.000 claims 3
- 229920000642 polymer Polymers 0.000 claims 3
- 238000006297 dehydration reaction Methods 0.000 claims 2
- 229910001873 dinitrogen Inorganic materials 0.000 claims 2
- 239000001301 oxygen Substances 0.000 claims 2
- 229910052760 oxygen Inorganic materials 0.000 claims 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims 2
- 238000000926 separation method Methods 0.000 claims 2
- 239000010802 sludge Substances 0.000 claims 2
- 238000010306 acid treatment Methods 0.000 claims 1
- 238000005273 aeration Methods 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- 229910052739 hydrogen Inorganic materials 0.000 claims 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- 239000000852 hydrogen donor Substances 0.000 claims 1
- 230000001546 nitrifying Effects 0.000 claims 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-N nitrous acid Chemical compound ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 claims 1
- 239000002562 thickening agent Substances 0.000 claims 1
Claims (13)
前記被処理液を、従属栄養性細菌を用いた脱窒反応により嫌気的に脱窒処理して第１脱窒処理液を得る第１脱窒処理と、
前記第１脱窒処理液中に含まれるアンモニア性窒素の一部をアンモニア酸化菌により亜硝酸性窒素に酸化して亜硝酸化処理液を得る亜硝酸化処理と、
前記亜硝酸化処理液を、独立栄養性細菌を用いた脱窒反応により嫌気的に脱窒処理する第２脱窒処理と、
前記亜硝酸化処理液を前記第１脱窒処理へ循環し、前記従属栄養性細菌を用いた脱窒反応により、前記亜硝酸化処理液中の亜硝酸性窒素を窒素ガスに変換して除去する亜硝酸化処理液循環処理と
を含む脱窒処理方法。 Preparing raw liquid containing nitrogen and organic matter by concentrating and dewatering raw water;
The liquid to be treated, a first denitrification process of obtaining the first denitrified liquid anaerobically denitrified by denitrification with heterotrophic bacteria,
Nitritation treatment in which a part of ammonia nitrogen contained in the first denitrification treatment liquid is oxidized to nitrite nitrogen by ammonia oxidizing bacteria to obtain a nitritation treatment liquid;
A second denitrification treatment in which the nitritation solution is anaerobically denitrified by a denitrification reaction using autotrophic bacteria;
Circulating the nitrite treatment liquid to the first denitrification treatment, and removing the nitrite nitrogen in the nitrite treatment liquid by converting it to nitrogen gas by a denitrification reaction using the heterotrophic bacteria. A denitrification treatment method comprising:
前記被処理液を、従属栄養性細菌を用いた脱窒反応により嫌気的に脱窒処理して第１脱窒処理液を得る第１脱窒処理と、
前記第１脱窒処理液中に含まれるアンモニア性窒素の一部をアンモニア酸化菌により亜硝酸性窒素に酸化して亜硝酸化処理液を得る亜硝酸化処理と、
前記亜硝酸化処理液を、独立栄養性細菌を用いた脱窒反応により嫌気的に脱窒処理する第２脱窒処理と、
前記第２脱窒処理液の一部を前記第１脱窒処理へ循環する第２脱窒処理液循環処理と
を含む脱窒処理方法。 Preparing raw liquid containing nitrogen and organic matter by concentrating and dewatering raw water;
The liquid to be treated, a first denitrification process of obtaining the first denitrified liquid anaerobically denitrified by denitrification with heterotrophic bacteria,
Nitritation treatment in which a part of ammonia nitrogen contained in the first denitrification treatment liquid is oxidized to nitrite nitrogen by ammonia oxidizing bacteria to obtain a nitritation treatment liquid;
A second denitrification treatment in which the nitritation solution is anaerobically denitrified by a denitrification reaction using autotrophic bacteria;
And a second denitrification treatment liquid circulation treatment for circulating a part of the second denitrification treatment solution to the first denitrification treatment.
ｒ＝ａ×２．３２／（１．３２×３×（１−ａ／３）） ・・・（１）
（（１）式において、ｒは被処理液の供給流量に対する前記亜硝酸化処理液の循環流量の比［−］を示し、ａは被処理液の全窒素濃度に対する生物化学的酸素要求量の比（ＢＯＤ／Ｔ−Ｎ比）を示す。） In the nitrite treatment liquid circulation process, the ratio of the circulation flow rate of the nitrite treatment liquid to the supply flow rate of the liquid to be treated is determined based on the following relational expression (1). The denitrification method according to any one of to 4 .
r = a × 2.32 / (1.32 × 3 × (1-a / 3)) (1)
(In the formula (1), r represents the ratio [−] of the circulating flow rate of the nitrite treatment liquid to the supply flow rate of the liquid to be treated, and a represents the biochemical oxygen demand for the total nitrogen concentration of the liquid to be treated. Ratio (BOD / TN ratio).
ｒ＜Ｃｎ／２００−１ ・・・（２）
（（２）式において、ｒは被処理液の供給流量に対する前記第２脱窒処理液の循環流量の比［−］を示し、Ｃｎは被処理液のアンモニア性窒素濃度［ｍｇ／Ｌ］を示す。） In the second denitrification treatment liquid circulation process, the ratio of the circulation flow rate of the second denitrification treatment liquid to the supply flow rate of the liquid to be treated is determined based on the following relational expression (2). The denitrification method according to any one of to 5 .
r <Cn / 200-1 (2)
(In the formula (2), r represents the ratio [−] of the circulation flow rate of the second denitrification treatment liquid to the supply flow rate of the treatment liquid, and Cn represents the ammoniacal nitrogen concentration [mg / L] of the treatment liquid. Show.)
前記被処理液を、従属栄養性細菌を用いた脱窒反応により嫌気的に脱窒処理して第１脱窒処理液を得る第１脱窒槽と、
前記第１脱窒処理液中に含まれるアンモニア性窒素の一部をアンモニア酸化菌により亜硝酸性窒素に酸化して亜硝酸化処理液を得る亜硝酸化槽と、
前記亜硝酸化処理液を、独立栄養性細菌を用いた脱窒反応により嫌気的に脱窒処理する第２脱窒槽と、
前記亜硝酸化処理液を前記第１脱窒槽へ循環する亜硝酸化処理液循環手段と
を備え、
前記第１脱窒処理槽内に循環した前記亜硝酸化処理液中の亜硝酸性窒素を前記第１脱窒槽内の前記従属栄養性細菌を用いた脱窒反応により窒素ガスに変換して除去することを特徴とする脱窒処理装置。 A concentration / dehydration device for preparing a liquid to be treated containing nitrogen and organic matter by concentrating and dewatering raw water;
The liquid to be treated, a first denitrification tank to obtain a first denitrified liquid anaerobically denitrified by denitrification with heterotrophic bacteria,
A nitritation tank that oxidizes a part of ammonia nitrogen contained in the first denitrification treatment liquid to nitrite nitrogen by ammonia oxidizing bacteria to obtain a nitritation treatment liquid;
A second denitrification tank for anaerobically denitrifying the nitritation solution by a denitrification reaction using autotrophic bacteria;
A nitrite treatment liquid circulating means for circulating the nitrite treatment liquid to the first denitrification tank,
The nitrite nitrogen in the nitritation treatment liquid circulated in the first denitrification treatment tank is converted into nitrogen gas and removed by a denitrification reaction using the heterotrophic bacteria in the first denitrification treatment tank. The denitrification processing apparatus characterized by performing.
前記被処理液を、従属栄養性細菌を用いた脱窒反応により嫌気的に脱窒処理して第１脱窒処理液を得る第１脱窒槽と、
前記第１脱窒処理液中に含まれるアンモニア性窒素の一部をアンモニア酸化菌により亜硝酸性窒素に酸化して亜硝酸化処理液を得る亜硝酸化槽と、
前記亜硝酸化処理液を、独立栄養性細菌を用いた脱窒反応により嫌気的に脱窒処理する第２脱窒槽と、
前記第２脱窒処理液の一部を前記第１脱窒処理へ循環する第２脱窒処理液循環手段と
を備えることを特徴とする脱窒処理装置。 A concentration / dehydration device for preparing a liquid to be treated containing nitrogen and organic matter by concentrating and dewatering raw water;
The liquid to be treated, a first denitrification tank to obtain a first denitrified liquid anaerobically denitrified by denitrification with heterotrophic bacteria,
A nitritation tank that oxidizes a part of ammonia nitrogen contained in the first denitrification treatment liquid to nitrite nitrogen by ammonia oxidizing bacteria to obtain a nitritation treatment liquid;
A second denitrification tank for anaerobically denitrifying the nitritation solution by a denitrification reaction using autotrophic bacteria;
And a second denitrification treatment liquid circulating means for circulating a part of the second denitrification treatment liquid to the first denitrification treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013235288A JP6084150B2 (en) | 2013-11-13 | 2013-11-13 | Denitrification treatment method and denitrification treatment apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013235288A JP6084150B2 (en) | 2013-11-13 | 2013-11-13 | Denitrification treatment method and denitrification treatment apparatus |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2015093258A JP2015093258A (en) | 2015-05-18 |
| JP2015093258A5 true JP2015093258A5 (en) | 2016-04-21 |
| JP6084150B2 JP6084150B2 (en) | 2017-02-22 |
Family
ID=53196043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2013235288A Active JP6084150B2 (en) | 2013-11-13 | 2013-11-13 | Denitrification treatment method and denitrification treatment apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6084150B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6666165B2 (en) * | 2016-02-18 | 2020-03-13 | 水ｉｎｇ株式会社 | Nitrification and denitrification treatment method for ammoniacal nitrogen-containing liquid to be treated |
| CN110885160B (en) * | 2018-09-07 | 2022-04-19 | 斗山重工业建设有限公司 | Water treatment apparatus and method for removing nitrogen contained in water to be treated |
| CN110255711B (en) * | 2019-06-18 | 2021-12-14 | 江苏南大环保科技有限公司 | Rapid low-cost denitrification treatment device and method |
| CN111646578B (en) * | 2020-05-28 | 2021-05-11 | 河海大学 | Method for removing nitrate in sewage through synergetic denitrification of iron autotrophic bacteria and heterotrophic bacteria |
| CN111807650B (en) * | 2020-08-19 | 2022-08-09 | 福建海峡环保集团股份有限公司 | Livestock and poultry breeding wastewater CC-HBDP treatment process |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5389259A (en) * | 1977-01-09 | 1978-08-05 | Ebara Infilco Co Ltd | Process for biologically denitrification of organic waste water |
| JPS60206498A (en) * | 1984-03-30 | 1985-10-18 | Kurita Water Ind Ltd | Treatment of excretion sewage |
| JPH0667520B2 (en) * | 1986-07-21 | 1994-08-31 | 栗田工業株式会社 | Human waste system treatment equipment |
| JPH0938682A (en) * | 1995-07-27 | 1997-02-10 | Hitachi Ltd | Biological water treatment |
| JP5150993B2 (en) * | 2000-11-28 | 2013-02-27 | 栗田工業株式会社 | Denitrification method and apparatus |
| JP2002263686A (en) * | 2001-03-06 | 2002-09-17 | Nissin Electric Co Ltd | Method for computing amount of circulating water and method for controlling operation of biological device for removing nitrogen in discharged water |
| JP3899848B2 (en) * | 2001-06-12 | 2007-03-28 | 栗田工業株式会社 | Denitrification method and denitrification apparatus |
| JP3858271B2 (en) * | 2004-05-14 | 2006-12-13 | 株式会社日立プラントテクノロジー | Wastewater treatment method and apparatus |
| JP4734996B2 (en) * | 2005-03-29 | 2011-07-27 | 栗田工業株式会社 | Biological treatment method and apparatus for nitrogen-containing water |
| JP4570550B2 (en) * | 2005-10-26 | 2010-10-27 | 荏原エンジニアリングサービス株式会社 | Nitrogen removal method and apparatus for high concentration organic wastewater |
| JP5006845B2 (en) * | 2008-06-23 | 2012-08-22 | 大阪市 | Method for suppressing generation of nitrous oxide |
-
2013
- 2013-11-13 JP JP2013235288A patent/JP6084150B2/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Malovanyy et al. | Mainstream wastewater treatment in integrated fixed film activated sludge (IFAS) reactor by partial nitritation/anammox process | |
| ES2674818T3 (en) | Procedure comprising ANAMMOX bacteria in biofilm vehicles to remove ammonia from a wastewater stream | |
| TWI386374B (en) | System and method for treating waste water containing ammonia | |
| JP4997460B2 (en) | Wastewater treatment system | |
| TWI449675B (en) | System and method for treating waste water containing ammonia | |
| MX360501B (en) | Method and apparatus for nitrogen removal in wastewater treatment. | |
| JP2016512169A5 (en) | ||
| JP6720100B2 (en) | Water treatment method and water treatment device | |
| JP5566147B2 (en) | Rice processing wastewater treatment method and equipment | |
| DE602006017130D1 (en) | Process for treating an ammonium-containing liquid | |
| Xu et al. | The development of a reverse anammox sequencing partial nitrification process for simultaneous nitrogen and COD removal from wastewater | |
| US20160207807A1 (en) | Wastewater treatment system | |
| JP2012061435A5 (en) | ||
| JP2015093258A5 (en) | ||
| EP2226296A1 (en) | Nitrite type nitrification-reactive sludge, production method therefor, production apparatus therefor, and waste water treatment method and waste water treatment apparatus | |
| JP4835536B2 (en) | Removal of organic substances and nitrogen from liquid to be treated | |
| JP6445855B2 (en) | Nitrogen treatment method and nitrogen treatment apparatus | |
| Yeshi et al. | Mainstream partial nitritation/anammox nitrogen removal process in the largest water reclamation plant in Singapore | |
| BR112020006794A2 (en) | METHODS FOR THE BIOLOGICAL TREATMENT OF NITROGEN IN WASTE WATERS | |
| JP6084150B2 (en) | Denitrification treatment method and denitrification treatment apparatus | |
| JP5858763B2 (en) | Nitrogen-containing organic wastewater treatment system and treatment method | |
| JP5055670B2 (en) | Denitrification method and denitrification apparatus | |
| CN203295323U (en) | Biological nitrogen removal reactor | |
| JP4570550B2 (en) | Nitrogen removal method and apparatus for high concentration organic wastewater | |
| PH12014502879A1 (en) | System and method for treating wastewater containing suspended organic substances |