JP5043671B2 - 生物学的脱窒方法及び装置 - Google Patents
生物学的脱窒方法及び装置 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims description 47
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 102
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 90
- 239000007789 gas Substances 0.000 claims description 88
- 239000010802 sludge Substances 0.000 claims description 67
- 229910052757 nitrogen Inorganic materials 0.000 claims description 45
- 244000005700 microbiome Species 0.000 claims description 31
- 239000007788 liquid Substances 0.000 claims description 19
- 239000002351 wastewater Substances 0.000 claims description 19
- 238000000926 separation method Methods 0.000 claims description 14
- 230000000813 microbial effect Effects 0.000 claims description 13
- 239000007787 solid Substances 0.000 claims description 13
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 12
- -1 ammonia ions Chemical class 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 7
- 230000001651 autotrophic effect Effects 0.000 claims description 7
- 229910021529 ammonia Inorganic materials 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 6
- 238000007664 blowing Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000009825 accumulation Methods 0.000 claims 4
- 241000894006 Bacteria Species 0.000 description 24
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
- 238000011084 recovery Methods 0.000 description 11
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 10
- 239000002518 antifoaming agent Substances 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000007796 conventional method Methods 0.000 description 5
- 230000003247 decreasing effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- JVMRPSJZNHXORP-UHFFFAOYSA-N ON=O.ON=O.ON=O.N Chemical compound ON=O.ON=O.ON=O.N JVMRPSJZNHXORP-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 241001148471 unidentified anaerobic bacterium Species 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 125000001477 organic nitrogen group Chemical group 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000005909 Kieselgur Substances 0.000 description 1
- MKYBYDHXWVHEJW-UHFFFAOYSA-N N-[1-oxo-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propan-2-yl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(C(C)NC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 MKYBYDHXWVHEJW-UHFFFAOYSA-N 0.000 description 1
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-N Nitrous acid Chemical compound ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000001464 adherent effect Effects 0.000 description 1
- 230000003254 anti-foaming effect Effects 0.000 description 1
- NMSCOPXXYKZHEF-UHFFFAOYSA-N azane trihydrate Chemical compound O.O.[OH-].[NH4+] NMSCOPXXYKZHEF-UHFFFAOYSA-N 0.000 description 1
- 239000013060 biological fluid Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000010800 human waste Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 150000002829 nitrogen Chemical class 0.000 description 1
- HLNRBHDRGMNBEG-UHFFFAOYSA-N nitrous acid Chemical compound ON=O.ON=O HLNRBHDRGMNBEG-UHFFFAOYSA-N 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/2846—Anaerobic digestion processes using upflow anaerobic sludge blanket [UASB] reactors
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/2806—Anaerobic processes using solid supports for microorganisms
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/2866—Particular arrangements for anaerobic reactors
- C02F3/2893—Particular arrangements for anaerobic reactors with biogas recycling
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
- C02F2101/163—Nitrates
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
- C02F2101/166—Nitrites
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- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Sustainable Development (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Biological Treatment Of Waste Water (AREA)
Description
〔発明の効果〕
図3、図4に、多段型脱窒処理の実験に用いた装置の概要を示す。A系列は、上向流式汚泥床法の従来法であり、図3に示すように、図2の原水供給管1中にメタノール15を注入する。B系列及びC系列は、傾斜する邪魔板3を3個取り付け、装置側壁と邪魔板との角度を下向きに30度とし、散気管11を取り付けて発生ガスの吹込みを行った系列であり、図4に示す。B系列は、装置内にグラニュール汚泥のみを投入した系列である。C系列は、本発明に基づく系列であり、担体に担持された脱窒微生物を用いた。
本実施例は、図1、図2に示す多段型脱窒処理装置を用いて実験した。D系列は、上向流式汚泥床法の従来法であり、図2に図示する装置を用いた。E系列及びF系列は、傾斜する邪魔板を3個取り付け、装置側壁と邪魔板との角度を30度とし、散気管を取り付け、発生ガスの吹込みを行った系列であり、図1に示す装置を用いた。E系列は、グラニュール汚泥のみを投入した系列である。F系列は、本発明に基づく系列であり、担体に担持された脱窒微生物を用いた。
Claims (8)
- 酸化態窒素を含有する廃水を生物学的に脱窒処理する方法であって
脱窒槽として、脱窒微生物及び/又は脱窒微生物フィルムが担持された微生物担体が充填されており、かつ、装置本体側壁との角度が35度以下であって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発生ガス集積部を備えたガス・液・固体の分離部を担体層内部に多段に有する、上向流式汚泥床処理装置を用い、
この装置に酸化態窒素を含有する廃水を導入し、
該発生ガス集積部の窒素ガスをガスホルダーに回収するとともに、該ガスホルダーに回収された窒素ガスの一部を該ガス・液・固分離部よりも下方の担体層内部に間欠的に吹き込むことによりガス・液・固分離部内部でのスカムの形成を防止し、かつ担体層を混合する、ことを特徴とする、生物学的脱窒方法。 - 前記脱窒微生物が、アンモニアイオンを電子供与体とし、亜硝酸イオンを電子受容体とする独立栄養性脱窒微生物である、請求項1に記載の生物学的脱窒方法。
- 前記微生物担体が、多孔質体であり、その有効粒径が0.05〜0.5mmである、請求項1又は2に記載の生物学的脱窒方法。
- 前記脱窒処理において、前記上向流式処理装置の上部から流出する処理水の少なくとも一部を被処理水と共に循環する、請求項1〜3のいずれかに記載の生物学的脱窒方法。
- 脱窒微生物及び/又は脱窒微生物フィルムが担持された微生物担体が充填された上向流式汚泥床処理装置であって、該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発生ガス集積部を備えたガス・液・固体の分離部を担体層内部に多段に取り付けた上向流式汚泥床処理装置、
酸化態窒素を含有する廃水を該装置に導入する配管、
該装置から処理水を排出する配管、
該発生ガス集積部の窒素ガスを回収するガスホルダー、及び
該ガスホルダーに回収された窒素ガスの一部を該ガス・液・固分離部よりも下方の担体層内部に窒素ガスを吹き込む配管、
を有することを特徴とする生物学的脱窒装置。 - 前記脱窒微生物が、アンモニアイオンを電子供与体とし、亜硝酸イオンを電子受容体とする独立栄養性脱窒微生物である、請求項5に記載の生物学的脱窒装置。
- 前記微生物担体が、多孔質体であり、その有効粒径が0.05〜0.5mmである請求項5又は6に記載の生物学的脱窒装置。
- 前記上向流式処理装置が、該装置の上部から流出する処理水の少なくとも一部を、被処理水に注入して循環する循環経路を有する、請求項5〜7のいずれかに記載の生物学的脱窒装置。
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JP2007538627A JP5043671B2 (ja) | 2004-11-05 | 2005-11-04 | 生物学的脱窒方法及び装置 |
PCT/JP2005/020662 WO2006049322A1 (en) | 2004-11-05 | 2005-11-04 | Biological denitrification method and apparatus |
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Families Citing this family (10)
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US8012353B2 (en) * | 2006-08-11 | 2011-09-06 | Aqwise-Wise Water Technologies | Method and apparatus for simultaneous clarification and endogenous post denitifrication |
JP5582388B2 (ja) * | 2010-03-12 | 2014-09-03 | 三菱レイヨン株式会社 | 生物処理システムおよび生物処理方法 |
CN103663843B (zh) * | 2012-09-06 | 2015-05-13 | 中国石油化工股份有限公司 | 一种对氨基二苯胺生产装置废水的处理方法 |
CN104250053B (zh) * | 2013-06-27 | 2016-01-13 | 中国石油化工股份有限公司 | 一种处理含氨氮对氨基二苯胺生产废水的方法 |
JP2015128747A (ja) * | 2014-01-07 | 2015-07-16 | 水ing株式会社 | 水処理装置及び水処理方法 |
CN103964640B (zh) * | 2014-05-14 | 2015-07-15 | 中国环境科学研究院 | 一体化脱氮组合装置及脱氮方法 |
JP6369204B2 (ja) * | 2014-08-04 | 2018-08-08 | 株式会社Ihi | 嫌気性処理装置 |
JP6227509B2 (ja) * | 2014-09-08 | 2017-11-08 | 株式会社日立製作所 | 排水処理装置及び排水処理方法 |
TWI586610B (zh) * | 2015-01-15 | 2017-06-11 | 黎明興技術顧問股份有限公司 | 用於處理含氨氮廢水之流化床反應器及含氨氮廢水之處理方法 |
CN105731640A (zh) * | 2016-03-21 | 2016-07-06 | 浙江大学 | 磁铁矿强化生物电极耦合型uasb装置及运行方法 |
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US5259959A (en) * | 1988-02-02 | 1993-11-09 | Gist-Brocades N.V. | Anoxic ammonia oxidation |
JP3955431B2 (ja) * | 2000-09-08 | 2007-08-08 | 株式会社荏原製作所 | 嫌気性処理方法及び装置 |
JP4872171B2 (ja) * | 2001-08-02 | 2012-02-08 | 栗田工業株式会社 | 生物脱窒装置 |
JP4162234B2 (ja) * | 2001-11-15 | 2008-10-08 | 株式会社荏原製作所 | 嫌気性処理装置 |
JP4572504B2 (ja) * | 2003-03-24 | 2010-11-04 | 栗田工業株式会社 | 生物脱窒方法 |
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