JP6916873B2 - 水からの硝酸塩の除去 - Google Patents

水からの硝酸塩の除去 Download PDF

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Publication number
JP6916873B2
JP6916873B2 JP2019519231A JP2019519231A JP6916873B2 JP 6916873 B2 JP6916873 B2 JP 6916873B2 JP 2019519231 A JP2019519231 A JP 2019519231A JP 2019519231 A JP2019519231 A JP 2019519231A JP 6916873 B2 JP6916873 B2 JP 6916873B2
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water
tank
denitrification
tanks
salt water
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Japanese (ja)
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JP2019537505A (ja
JP2019537505A5 (enExample
Inventor
アリステア ドーヴ，
アリステア ドーヴ，
エリック ホール，
エリック ホール，
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ジョージア アクアリウム インコーポレイテッド
ジョージア アクアリウム インコーポレイテッド
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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
    • C02F3/30—Aerobic and anaerobic processes
    • C02F3/302—Nitrification and denitrification treatment
    • C02F3/305—Nitrification and denitrification treatment characterised by the denitrification
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
    • C02F1/685—Devices for dosing the additives
    • 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
    • C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • 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
    • C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • C02F3/345—Biological treatment of water, waste water, or sewage characterised by the microorganisms used for biological oxidation or reduction of sulfur compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
    • A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
    • A01K63/045—Filters for aquaria
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/02—Treatment of water, waste water, or sewage by heating
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
    • 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
    • C02F2101/101—Sulfur compounds
    • 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
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/22—Nature of the water, waste water, sewage or sludge to be treated from the processing of animals, e.g. poultry, fish, or parts thereof
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
    • C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/005—Processes using a programmable logic controller [PLC]
    • C02F2209/006—Processes using a programmable logic controller [PLC] comprising a software program or a logic diagram
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/02—Temperature
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/04—Oxidation reduction potential [ORP]
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/06—Controlling or monitoring parameters in water treatment pH
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/40—Liquid flow rate
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00—General aspects of water treatment
    • C02F2301/04—Flow arrangements
    • C02F2301/043—Treatment of partial or bypass streams
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00—Use of specific compounds during water treatment
    • 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
    • C02F3/006—Regulation methods for biological treatment
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/30—Wastewater or sewage treatment systems using renewable energies
    • Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • Chemical & Material Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Medicinal Chemistry (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
  • Farming Of Fish And Shellfish (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
JP2019519231A 2016-10-04 2017-10-03 水からの硝酸塩の除去 Expired - Fee Related JP6916873B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US15/284,720 US9994466B2 (en) 2016-10-04 2016-10-04 Removing nitrate from water
US15/284,720 2016-10-04
PCT/US2017/054958 WO2018067581A1 (en) 2016-10-04 2017-10-03 Removing nitrate from water

Publications (3)

Publication Number Publication Date
JP2019537505A JP2019537505A (ja) 2019-12-26
JP2019537505A5 JP2019537505A5 (enExample) 2020-11-19
JP6916873B2 true JP6916873B2 (ja) 2021-08-11

Family

ID=61757732

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2019519231A Expired - Fee Related JP6916873B2 (ja) 2016-10-04 2017-10-03 水からの硝酸塩の除去

Country Status (5)

Country Link
US (3) US9994466B2 (enExample)
EP (1) EP3523254A4 (enExample)
JP (1) JP6916873B2 (enExample)
CN (1) CN110234609B (enExample)
WO (1) WO2018067581A1 (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9994466B2 (en) 2016-10-04 2018-06-12 Georgia Aquarium Inc. Removing nitrate from water
IT201600110606A1 (it) * 2016-11-03 2018-05-03 Seko Spa Metodo e sistema di regolazione per l’erogazione di un agente chimico
JP2018167249A (ja) * 2017-03-30 2018-11-01 メタウォーター株式会社 廃水処理システム、空気供給量制御装置及び空気供給量制御方法
DE102020106761A1 (de) * 2020-03-12 2021-09-16 Hochschule Für Technik Und Wirtschaft Des Saarlandes Verfahren zur Aufbereitung von Wasser und Wasseraufbereitungsanlage
EP3929499A1 (en) * 2020-06-25 2021-12-29 TakeAir BV System for injecting beneficial micro-organisms into an indoor environment
CN111943351A (zh) * 2020-08-17 2020-11-17 河北科技大学 一种包埋蒽醌和脱氮硫杆菌的生物填料及硫自养反硝化脱氮方法
US20220089463A1 (en) * 2020-09-22 2022-03-24 Aquom Sciences Llc Biopolymeric water treatment
CN113023884B (zh) * 2021-03-25 2022-07-05 湖北中烟工业有限责任公司 一种适用于uasb厌氧反应器的布水控制方法及装置
US20240327262A1 (en) * 2023-03-29 2024-10-03 Black & Veatch Holding Company Nitrogen removal system and process
KR102750152B1 (ko) * 2024-05-29 2025-01-07 주식회사 아쿠아랩 광 생물 반응기를 이용한 탄소 저감형 순환여과양식 시스템
WO2026099960A1 (ja) * 2024-11-06 2026-05-15 株式会社Ｆｒｄジャパン 循環式陸上養殖システム、及び飼育水の殺菌方法

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2626869B1 (fr) 1988-02-08 1992-06-12 Jaubert Jean Procede de purification biologique des eaux contenant des matieres organiques et produits derives, utilisant la diffusion et l'action de micro-organismes aerobies et anaerobies et dispositif pour la mise en oeuvre
US5006230A (en) 1989-04-03 1991-04-09 Votava Iii Paul Dual-action aquarium filter
US5482630A (en) 1994-06-20 1996-01-09 Board Of Regents, The University Of Texas System Controlled denitrification process and system
US5804060A (en) 1995-12-13 1998-09-08 Ormat Process Technologies, Inc. Method of and apparatus for producing power in solvent deasphalting units
US5954963A (en) 1996-01-25 1999-09-21 Oklahoma Rural Water Association Process for biologically treating water
US7879593B2 (en) * 1999-12-16 2011-02-01 Whiteman G Robert Fermentation systems, methods and apparatus
KR20020038322A (ko) * 2000-11-17 2002-05-23 김효근 폐수의 질산성 질소와 인의 동시 제거방법
JP4562935B2 (ja) 2001-03-22 2010-10-13 新日鐵化学株式会社 海水中硝酸性窒素の処理装置及び処理方法
JP4563621B2 (ja) * 2001-07-23 2010-10-13 新日鐵化学株式会社 硝酸性窒素の生物化学的除去装置
US7025883B1 (en) * 2003-09-30 2006-04-11 Ok Technologies, Llc Autotrofic sulfur denitration chamber and calcium reactor
EP1680365A2 (en) * 2003-10-03 2006-07-19 O.K. Technologies, LLC Waste water treatment system and process
US20070090030A1 (en) * 2005-10-25 2007-04-26 Teran Alfredo J Complete Water Management Process and System
US20070262019A1 (en) * 2005-12-23 2007-11-15 Sukalyan Sengupta Process for autotrophic denitrification using elemental sulfur and mollusk shells
JP4660456B2 (ja) * 2006-12-08 2011-03-30 西松建設株式会社 窒素及びリンを除去する水質浄化方法及び装置
CN101200332A (zh) * 2006-12-12 2008-06-18 上海水产大学 去除养殖水中硝态氮的方法
AU2008242567A1 (en) * 2007-04-23 2008-10-30 University Of Maryland, Baltimore County Methods for the conversion of fish waste from aquaculture systems to methane via a modified UASB reactor
US7749384B2 (en) * 2007-05-23 2010-07-06 Patton David W De-nitrification treatment system and method
JP2009232824A (ja) * 2008-03-25 2009-10-15 Yasuo Kubota 大気圧減圧装置
DE202008013222U1 (de) * 2008-10-08 2010-02-25 Big Dutchman International Gmbh Fischbeckenanordnung mit zentraler Messvorrichtung
CA2803091C (en) * 2009-07-27 2018-05-22 The University Of Wyoming Research Corporation D/B/A/ Western Research Institute Biological clean fuel processing systems and methods
CA2770703C (en) * 2009-08-11 2018-04-17 Kinder Morgan Operating L.P."C" A bio-denitrification apparatus and method for making and using same
EP2675756A4 (en) * 2011-02-14 2014-10-29 Xylem Water Solutions Zelienople Llc METHOD AND SYSTEM FOR CONTROLLING CARBON SOURCE SUPPLY FOR DENITRIFICATION FILTER
WO2013133443A1 (ja) * 2012-03-09 2013-09-12 メタウォーター株式会社 排水の処理装置、排水の処理方法、および排水の処理システム、並びに制御装置、制御方法、およびプログラム
WO2014004791A1 (en) * 2012-06-29 2014-01-03 Stroot Peter Methods and systems for controlling growth rates of autotrophic microbial cultures
KR101342052B1 (ko) 2012-07-10 2013-12-18 윤효석 소금 성분을 포함하는 용액으로부터 질산염을 제거하는 방법
CN102897945A (zh) * 2012-08-01 2013-01-30 天津科技大学 一种海水淡化水矿化方法
US20160107911A1 (en) 2013-05-17 2016-04-21 Shunsuke Takada Apparatus and method for purifying water
US9919940B2 (en) * 2013-11-13 2018-03-20 The Hong Kong University Of Science And Technology Sulphur cycle-associated denitrifying enhanced biological phosphorus removal (SD-EBPR) utilizing sulphur compounds as electron carriers for biological nutrient removal of wastewater treatment
CN103723893B (zh) 2014-01-10 2016-06-29 中国科学院生态环境研究中心 一种去除水中硝酸盐氮的方法
CN104129851B (zh) * 2014-08-14 2015-08-19 合肥工业大学 一种利用煅烧黄铁矿处理地下水中硝态氮的方法
CA2978882C (en) * 2015-03-16 2023-07-25 Environmental Operating Solutions, Inc. Control system and process for nitrogen and phosphorus removal
US9994466B2 (en) 2016-10-04 2018-06-12 Georgia Aquarium Inc. Removing nitrate from water

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US20210002159A1 (en) 2021-01-07
CN110234609B (zh) 2023-05-05
US9994466B2 (en) 2018-06-12
US10550024B2 (en) 2020-02-04
EP3523254A1 (en) 2019-08-14
EP3523254A4 (en) 2020-06-24
US20180230032A1 (en) 2018-08-16
JP2019537505A (ja) 2019-12-26
US20180093911A1 (en) 2018-04-05
US11040901B2 (en) 2021-06-22
CN110234609A (zh) 2019-09-13
WO2018067581A1 (en) 2018-04-12

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