JP2016087497A - 含窒素化合物含有水の処理方法 - Google Patents
含窒素化合物含有水の処理方法 Download PDFInfo
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- JP2016087497A JP2016087497A JP2014221438A JP2014221438A JP2016087497A JP 2016087497 A JP2016087497 A JP 2016087497A JP 2014221438 A JP2014221438 A JP 2014221438A JP 2014221438 A JP2014221438 A JP 2014221438A JP 2016087497 A JP2016087497 A JP 2016087497A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Inert Electrodes (AREA)
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Abstract
Description
以下の実施例では、細胞外電子伝達能を有する微生物用の培地として、重炭酸イオンを含む無機培地であるMSM培地を使用した。MSM培地の組成は以下の通りである。
蒸留水:999ml、塩化ナトリウム:8.8g、炭酸水素ナトリウム:3.2g、塩化マグネシウム・七水和物:0.33g、塩化カルシウム:0.275g、燐酸二水素カリウム:14mg、燐酸水素二カリウム:21mg、燐酸水素二ナトリウム:56mg、塩化カリウム:2mg、各種ミネラル溶液:1ml。
内容積250mlのガラス製ネジ口ビンに、塩化アンモニウムを20mmol/lの濃度となるように添加したMSM培地を200ml、細胞外電子伝達能を有する微生物を含むスラッジとして東京都某所下水処理場の活性汚泥を乾燥重量換算で500mg、電子受容体として二酸化マンガンを1mmol添加し、上部の空気層を窒素置換した後密封し、MSM培地中のアンモニウムイオンと硝酸イオンの濃度変化を経時的に測定した。また、二酸化マンガンを添加しない以外は上記試験と同一条件の試験を行い、結果を比較した。二酸化マンガン添加系の結果を図2に、二酸化マンガン無添加系の結果を図3に示す。
図1に示したエアカソードを有する硝化反応槽のモデル装置を用いて以下の試験を行った。
細胞外電子伝達能を有する微生物として、別途培養したシェワネラ・オネイデンシス(S. oneidensis)MR−1株を用いた以外は、実験例2と同一条件の試験を実施した。被処理水中のアンモニウムイオンおよび硝酸イオンの濃度変化を図5に示す。
重炭酸イオンを添加した被処理水2として、アニリンを10mmol/lの濃度となるように添加したMSM培地を用いた以外は、実験例2と同一条件の試験を実施した。被処理水中のアニリン、硝酸イオン、亜硝酸イオンの濃度変化を図6に示す。
2 被処理水
3 電極(アノード)
4 細胞外電子伝達能を有する微生物
5 導線
6 エアカソード
Claims (4)
- 含窒素化合物を含有する水が収納された硝化反応槽内に、細胞外電子伝達能を有する微生物と、炭酸イオンおよび/または重炭酸イオンと、電子受容体と、を存在させて前記含窒素化合物中の窒素を硝酸イオンおよび/または亜硝酸イオンに酸化処理することを特徴とする含窒素化合物含有水の処理方法。
- 前記電子受容体が、電子を受けて還元される自己還元性化合物であることを特徴とする請求項1に記載の含窒素化合物含有水の処理方法。
- 前記電子受容体が、前記細胞外電子伝達能を有する微生物から電子を受け取る電極であることを特徴とする請求項1に記載の含窒素化合物含有水の処理方法。
- 前記硝化反応槽が、一部の面が外気に接し、しかも前記一部の面とは異なる他の一部の面が前記含窒素化合物を含有する水に接するエアカソードを備え、かつ、当該エアカソードと前記電極とが電気的に接続されていることを特徴とする請求項3に記載の含窒素化合物含有水の処理方法。
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016143352A1 (ja) * | 2015-03-11 | 2016-09-15 | パナソニック株式会社 | 微生物燃料電池システム |
CN105948222A (zh) * | 2016-06-23 | 2016-09-21 | 浙江大学 | 厌氧消化反硝化厌氧氨氧化生物电化学系统及方法 |
Citations (4)
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JP2004342412A (ja) * | 2003-05-14 | 2004-12-02 | Ebara Corp | 有機性物質を利用する発電方法及び装置 |
JP2006081963A (ja) * | 2004-09-14 | 2006-03-30 | Hitachi Kiden Kogyo Ltd | 汚泥返流水の処理方法及び処理装置 |
JP2008279433A (ja) * | 2007-04-13 | 2008-11-20 | National Institute Of Advanced Industrial & Technology | 嫌気性アンモニア酸化処理方法および装置 |
JP2009158426A (ja) * | 2007-12-28 | 2009-07-16 | Kurita Water Ind Ltd | 微生物発電方法および微生物発電装置 |
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Patent Citations (4)
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---|---|---|---|---|
JP2004342412A (ja) * | 2003-05-14 | 2004-12-02 | Ebara Corp | 有機性物質を利用する発電方法及び装置 |
JP2006081963A (ja) * | 2004-09-14 | 2006-03-30 | Hitachi Kiden Kogyo Ltd | 汚泥返流水の処理方法及び処理装置 |
JP2008279433A (ja) * | 2007-04-13 | 2008-11-20 | National Institute Of Advanced Industrial & Technology | 嫌気性アンモニア酸化処理方法および装置 |
JP2009158426A (ja) * | 2007-12-28 | 2009-07-16 | Kurita Water Ind Ltd | 微生物発電方法および微生物発電装置 |
Non-Patent Citations (5)
Title |
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BO QU ET AL.: "Anaerobic ammonium oxidation with an anode as the electron acceptor", ENVIRONMENTAL MICROBIOLOGY REPORTS, vol. 6(1), JPN6018024044, 11 October 2013 (2013-10-11), pages 100 - 105, ISSN: 0004045054 * |
BORAN KARTAL ET AL.: "How to make a living from anaerobic ammonium oxidation", FEMS MICROBIOLOGY REVIEWS, vol. 37, JPN6018024043, 21 January 2013 (2013-01-21), pages 428 - 461, ISSN: 0004045056 * |
JA-WON SHIN ET AL: "Energy recovery of ethanolamine in wastewater using an air-cathode microbial fuel cell", INTERNATIONAL BIODETERIORATION & BIODEGRADATION, vol. 95, JPN6018045467, 7 July 2014 (2014-07-07), pages 117 - 121, ISSN: 0004045057 * |
MATHAVA KUMAR ET AL.: "Co-existence of anammox and denitrification for simultaneous nitrogen and carbon removal-Strategies", JOURNAL OF HAZARDOUS MATERIALS, vol. 178, JPN6018024040, 21 January 2010 (2010-01-21), pages 1 - 9, ISSN: 0004045055 * |
SHIGEKI SAWAYAMA: "Possibility of Anoxic Ferric Ammonium Oxidation", JOURNAL OF BIOSCIENCE AND BIOENGINEERING, vol. 101, no. 1, JPN6018045469, January 2006 (2006-01-01), pages 70 - 72, ISSN: 0004045058 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016143352A1 (ja) * | 2015-03-11 | 2016-09-15 | パナソニック株式会社 | 微生物燃料電池システム |
JPWO2016143352A1 (ja) * | 2015-03-11 | 2018-01-18 | パナソニック株式会社 | 微生物燃料電池システム |
CN105948222A (zh) * | 2016-06-23 | 2016-09-21 | 浙江大学 | 厌氧消化反硝化厌氧氨氧化生物电化学系统及方法 |
CN105948222B (zh) * | 2016-06-23 | 2018-09-07 | 浙江大学 | 厌氧消化反硝化厌氧氨氧化生物电化学系统及方法 |
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