IL145474A0 - A process for removing nitrate ions from an aqueous solution - Google Patents

A process for removing nitrate ions from an aqueous solution

Info

Publication number
IL145474A0
IL145474A0 IL14547400A IL14547400A IL145474A0 IL 145474 A0 IL145474 A0 IL 145474A0 IL 14547400 A IL14547400 A IL 14547400A IL 14547400 A IL14547400 A IL 14547400A IL 145474 A0 IL145474 A0 IL 145474A0
Authority
IL
Israel
Prior art keywords
aqueous solution
nitrate ions
removing nitrate
cathode
passing
Prior art date
Application number
IL14547400A
Other languages
English (en)
Original Assignee
Ionex Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ionex Ltd filed Critical Ionex Ltd
Publication of IL145474A0 publication Critical patent/IL145474A0/xx

Links

Classifications

    • 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
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
    • C02F1/4676—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electroreduction
    • 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
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104—Devices therefor; Their operating or servicing
    • C02F1/46109—Electrodes
    • 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
    • C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
    • C02F2001/422—Treatment of water, waste water, or sewage by ion-exchange using anionic exchangers
    • 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
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104—Devices therefor; Their operating or servicing
    • C02F1/46109—Electrodes
    • C02F2001/46128—Bipolar electrodes
    • 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
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104—Devices therefor; Their operating or servicing
    • C02F1/46109—Electrodes
    • C02F2001/46133—Electrodes characterised by the material
    • C02F2001/46138—Electrodes comprising a substrate and a coating
    • C02F2001/46142—Catalytic coating
    • 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
    • C02F9/00—Multistage treatment of water, waste water or sewage

Landscapes

  • Chemical & Material Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Removal Of Specific Substances (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
  • Electrodes For Compound Or Non-Metal Manufacture (AREA)
IL14547400A 1999-03-24 2000-03-24 A process for removing nitrate ions from an aqueous solution IL145474A0 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9906842A GB2348209B (en) 1999-03-24 1999-03-24 Water purification process
PCT/GB2000/001143 WO2000056666A1 (en) 1999-03-24 2000-03-24 Water purification process

Publications (1)

Publication Number Publication Date
IL145474A0 true IL145474A0 (en) 2002-06-30

Family

ID=10850309

Family Applications (1)

Application Number Title Priority Date Filing Date
IL14547400A IL145474A0 (en) 1999-03-24 2000-03-24 A process for removing nitrate ions from an aqueous solution

Country Status (16)

Country Link
US (1) US6531050B1 (xx)
EP (1) EP1165443B1 (xx)
JP (1) JP4473456B2 (xx)
CN (1) CN1178865C (xx)
AT (1) ATE285997T1 (xx)
AU (1) AU775532B2 (xx)
BR (1) BR0009218B1 (xx)
CA (1) CA2368022A1 (xx)
DE (1) DE60017104T2 (xx)
ES (1) ES2237414T3 (xx)
GB (1) GB2348209B (xx)
IL (1) IL145474A0 (xx)
MX (1) MXPA01009524A (xx)
RU (1) RU2244687C2 (xx)
WO (1) WO2000056666A1 (xx)
ZA (1) ZA200108711B (xx)

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SE0004202L (sv) * 2000-11-14 2002-05-07 Vattenfall Ab Förfarande och anordning för avlägsnande och destruktion av nitrater
JP3768128B2 (ja) * 2001-09-04 2006-04-19 三洋電機株式会社 水処理装置
JP3691461B2 (ja) * 2002-02-13 2005-09-07 三洋電機株式会社 水浄化システム及び水浄化方法
ATE330909T1 (de) * 2002-03-01 2006-07-15 Vattenfall Ab Publ Entfernung von nitrat
KR100483443B1 (ko) * 2002-08-29 2005-04-15 (주)메타만나 식물체로부터 질산염의 제거방법
US6875347B2 (en) * 2002-12-17 2005-04-05 Elm Technologies, L.L.C. Fluid treatment system apparatus and method
WO2005035444A2 (en) * 2003-10-10 2005-04-21 Ohio University Electro-catalysts for the oxidation of ammonia in alkaline media
US8216956B2 (en) * 2003-10-10 2012-07-10 Ohio University Layered electrocatalyst for oxidation of ammonia and ethanol
US8216437B2 (en) * 2003-10-10 2012-07-10 Ohio University Electrochemical cell for oxidation of ammonia and ethanol
US20090081500A1 (en) * 2003-10-10 2009-03-26 Ohio University Fuel cell utilizing ammonia, ethanol or combinations thereof
US8221610B2 (en) * 2003-10-10 2012-07-17 Ohio University Electrochemical method for providing hydrogen using ammonia and ethanol
US20090014337A1 (en) * 2004-01-09 2009-01-15 Applied Intellectual Capital Electrochemical Nitrate Destruction
EP1698594A1 (en) * 2005-03-04 2006-09-06 Ecodis Method for removing pollutants from water based fluids
GB0505689D0 (en) 2005-03-18 2005-04-27 Boc Group Plc Improvements in or relating to the regeneration of water treatment substrates
EP1889317B1 (en) * 2005-05-06 2017-09-06 Ohio University Electrocatalysts and additives for the oxidation of solid fuels
JP2009515036A (ja) * 2005-10-14 2009-04-09 オハイオ ユニバーシティ アルカリ媒体中におけるアンモニア及びエタノールを酸化するためのカーボンファイバー電極触媒、ならびに水素生成、燃料電池および精製プロセスへのその適用
GR1005326B (el) * 2006-01-23 2006-10-18 Γεωργιος Κυριακου Ηλεκτροχημικη μεθοδος απομακρυνσης των νιτρικων ήτων νιτρωδων ιοντων απο υδατικα διαλυματα δια τησμετατροπης τους σε αζωτο
WO2008127135A1 (fr) * 2007-04-11 2008-10-23 Olexandr Borisovich Zayika Procédé de traitement de l'eau et de solutions aqueuses par plasma de décharge gazeuse et dispositif de mise en oeuvre de ce procédé
US7828980B2 (en) * 2007-04-16 2010-11-09 Rohm And Haas Company Water treatment process
CN102107977B (zh) * 2011-01-18 2013-05-08 南京大学 一种含高浓度氨氮废水的资源化方法
JP5010037B2 (ja) * 2011-02-07 2012-08-29 株式会社微酸性電解水研究所 電解水の生成方法および組成物
RU2453638C1 (ru) * 2011-03-02 2012-06-20 Государственное образовательное учреждение высшего профессионального образования "Национальный исследовательский Томский политехнический университет" Электрохимический способ подготовки фонового электролита для вольтамперометрического анализа
SG185852A1 (en) * 2011-05-26 2012-12-28 Qian Hu Corp Ltd Apparatus for purifying water in an aquarium
ES2400506B1 (es) * 2011-08-02 2014-04-16 Dr Canicio Consulting Chemist, S.L. Procedimiento y dispositivo para la eliminación de nitratos del agua por reducción electrolítica a nitrógeno gas
NL2008090C2 (en) * 2012-01-10 2013-07-15 Stichting Wetsus Ct Excellence Sustainable Water Technology Method for nitrogen recovery from an ammonium comprising fluid and bio-electrochemical system.
MD4318C1 (ro) * 2013-06-18 2015-08-31 Государственный Университет Молд0 Procedeu de purificare a apei de nitraţi şi nitriţi
CN104609504B (zh) * 2013-11-05 2016-08-17 中国科学院沈阳应用生态研究所 一种离子交换法转移并资源化回收并利用水中硝态氮的方法及装置
CN104445808A (zh) * 2014-11-06 2015-03-25 中国科学院沈阳应用生态研究所 一种淡水循环水养殖系统中硝酸盐的去除方法
CN104959170A (zh) * 2015-06-11 2015-10-07 东南大学 一种易再生的硝酸根选择性离子交换树脂及其制备方法
CN108101165A (zh) * 2018-01-03 2018-06-01 深圳众意远诚环保科技有限公司 一种新型电催化氨氮废水处理系统及其处理方法
CN108163934A (zh) * 2018-02-27 2018-06-15 湖北君集水处理有限公司 一种采用铑电极进行电解脱氮的系统及方法
CN109626672A (zh) * 2019-01-17 2019-04-16 泉州南京大学环保产业研究院 基于电化学和树脂组合工艺深度处理废水中硝态氮方法
CN110038647B (zh) * 2019-05-13 2021-06-11 南京大学 一种电解盐溶液高效再生树脂的方法
RU2751891C1 (ru) * 2020-06-29 2021-07-19 Федеральное государственное бюджетное образовательное учреждение высшего образования "Сибирский государственный университет путей сообщения" (СГУПС) Способ очистки природных и сточных вод от нитратов

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DE2940186C2 (de) * 1978-10-06 1986-09-18 Asahi Kasei Kogyo K.K., Osaka Verfahren zur Herstellung von Nitriten
JPS55152143A (en) * 1979-05-16 1980-11-27 Toyo Soda Mfg Co Ltd Amorphous alloy electrode material for electrolysis
JPS58107490A (ja) * 1981-12-22 1983-06-27 Tokuyama Soda Co Ltd 電極基材の製造方法
GB8323390D0 (en) * 1983-08-31 1983-10-05 Ici Plc Production of cathode
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DE3689059T2 (de) * 1985-08-02 1994-04-21 Daiki Engineering Co Oberflächenaktivierte amorphe Legierungen und übersättigte Legierungen für Elektroden, verwendbar zur Elektrolyse von Lösungen und Verfahren zur Aktivierung der Oberflächen.
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GB9103851D0 (en) * 1991-02-25 1991-04-10 Bradtec Ltd Method for the combined removal and destruction of nitrate ions
US5376240A (en) * 1991-11-04 1994-12-27 Olin Corporation Process for the removal of oxynitrogen species for aqueous solutions
DE4344613C2 (de) * 1993-12-24 1997-07-17 Hahnewald Gmbh Verfahren zur katalytisch-elektrochemischen Reduktion nitrathaltiger Lösungen sowie Verwendung der behandelten wäßrigen Lösungen als Regeneriermittel für Ionenaustauscher
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AU3991699A (en) * 1998-05-14 1999-11-29 Upscale Water Technologies, Inc. Electrodes for electrolytic removal of nitrates from water, methods of making same, and apparatus incorporating said electrodes

Also Published As

Publication number Publication date
AU775532B2 (en) 2004-08-05
RU2244687C2 (ru) 2005-01-20
BR0009218B1 (pt) 2010-10-19
EP1165443B1 (en) 2004-12-29
CN1178865C (zh) 2004-12-08
ZA200108711B (en) 2002-06-12
JP4473456B2 (ja) 2010-06-02
DE60017104T2 (de) 2006-01-19
EP1165443A1 (en) 2002-01-02
WO2000056666A1 (en) 2000-09-28
DE60017104D1 (de) 2005-02-03
GB2348209A (en) 2000-09-27
CA2368022A1 (en) 2000-09-28
JP2002539927A (ja) 2002-11-26
ES2237414T3 (es) 2005-08-01
ATE285997T1 (de) 2005-01-15
GB2348209B (en) 2001-05-09
BR0009218A (pt) 2002-01-08
GB9906842D0 (en) 1999-05-19
MXPA01009524A (es) 2003-08-19
US6531050B1 (en) 2003-03-11
CN1344229A (zh) 2002-04-10
AU3445600A (en) 2000-10-09

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