ZA200108711B - Water purification process. - Google Patents

Water purification process.

Info

Publication number
ZA200108711B
ZA200108711B ZA200108711A ZA200108711A ZA200108711B ZA 200108711 B ZA200108711 B ZA 200108711B ZA 200108711 A ZA200108711 A ZA 200108711A ZA 200108711 A ZA200108711 A ZA 200108711A ZA 200108711 B ZA200108711 B ZA 200108711B
Authority
ZA
South Africa
Prior art keywords
water purification
purification process
cathode
passing
solution
Prior art date
Application number
ZA200108711A
Other languages
English (en)
Inventor
Michael Waite
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 ZA200108711B publication Critical patent/ZA200108711B/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)
  • Electrodes For Compound Or Non-Metal Manufacture (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
ZA200108711A 1999-03-24 2001-10-23 Water purification process. ZA200108711B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9906842A GB2348209B (en) 1999-03-24 1999-03-24 Water purification process

Publications (1)

Publication Number Publication Date
ZA200108711B true ZA200108711B (en) 2002-06-12

Family

ID=10850309

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200108711A ZA200108711B (en) 1999-03-24 2001-10-23 Water purification process.

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)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
ES2266443T3 (es) * 2002-03-01 2007-03-01 Vattenfall Ab Eliminacion de nitrato.
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
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
US8216956B2 (en) 2003-10-10 2012-07-10 Ohio University Layered electrocatalyst for oxidation of ammonia and ethanol
US8221610B2 (en) * 2003-10-10 2012-07-17 Ohio University Electrochemical method for providing hydrogen using ammonia and ethanol
CA2542313C (en) * 2003-10-10 2012-12-04 Ohio University Electro-catalysts for the oxidation of ammonia in alkaline media
JP2007518552A (ja) * 2004-01-09 2007-07-12 アプライド・インテレクチユアル・キヤピタル 電気化学的硝酸塩分解
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
JP2010523327A (ja) * 2007-04-11 2010-07-15 ボリソビッチ ザイカ，アレキサンドル ガス放電プラズマによる水及び水溶液の処理方法及びその遂行のための装置
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

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT99947B (de) 1923-04-19 1925-05-11 Otto Gans Drehgelenk für Laufpuppen.
GB2038872B (en) * 1978-10-06 1983-01-26 Asahi Chemical Ind Electrolytic process for preparing nitrites
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
JPS6063336A (ja) * 1983-09-19 1985-04-11 Daiki Gomme Kogyo Kk 溶液電解の電極用表面活性化非晶質合金
EP0213708B1 (en) * 1985-08-02 1993-09-22 Daiki Engineering Co., Ltd. Surface activated amorphous and supersaturated solid solution alloys for electrodes in the electrolysis of solutions and the method for their surface activation
GB8711363D0 (en) * 1987-05-14 1987-06-17 Anglian Water Authority Ground-water treatment
DE3838181A1 (de) * 1988-11-10 1990-05-23 Linde Ag Verfahren und vorrichtung zur entfernung von stickstoffverbindungen aus waessrigen loesungen
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
DE19517652A1 (de) * 1995-05-17 1996-11-21 Grundfos As Verfahren zur Verminderung des Nitrat- und/oder Nitritgehaltes im Wasser
WO1996038384A1 (en) * 1995-06-01 1996-12-05 Upscale Technologies, Inc. Method and apparatus for removing nitrates from water
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
ES2237414T3 (es) 2005-08-01
IL145474A0 (en) 2002-06-30
MXPA01009524A (es) 2003-08-19
JP4473456B2 (ja) 2010-06-02
RU2244687C2 (ru) 2005-01-20
AU775532B2 (en) 2004-08-05
DE60017104D1 (de) 2005-02-03
WO2000056666A1 (en) 2000-09-28
CN1344229A (zh) 2002-04-10
BR0009218A (pt) 2002-01-08
GB2348209A (en) 2000-09-27
GB2348209B (en) 2001-05-09
ATE285997T1 (de) 2005-01-15
AU3445600A (en) 2000-10-09
BR0009218B1 (pt) 2010-10-19
GB9906842D0 (en) 1999-05-19
DE60017104T2 (de) 2006-01-19
CA2368022A1 (en) 2000-09-28
JP2002539927A (ja) 2002-11-26
CN1178865C (zh) 2004-12-08
EP1165443A1 (en) 2002-01-02
EP1165443B1 (en) 2004-12-29
US6531050B1 (en) 2003-03-11

Similar Documents

Publication Publication Date Title
GB2348209B (en) Water purification process
WO2001071780A3 (en) Apparatus and method for electrochemically processing a microelectronic workpiece
ATE346180T1 (de) Alkalisches zink-nickelbad
MXPA02002673A (es) Electrodos de metal amorfo/vidrio metalico para procesos electroquimicos.
TW200618864A (en) Ion removal from particulate material using electrodeionization process and devices therefor
HUP9900190A3 (en) Gas diffusion electrodecontain catalyst, process for producing that catalyst, electrochemical cell contain that electrode and process for electrolyzing aqueous hydrochlorid acid solution
WO2006091937A3 (en) Auxiliary electrode encased in cation exchange membrane tube for electroplating cell
EP1477515A4 (en) CLUSTERION REPLACEMENT MEMBRANE AND ELECTROLYTE MEMBRANE ELECTRODE COMPOUND BODY
EP0803474A3 (en) Electrodeionization apparatus and process for purifying a liquid
HK1046065A1 (zh) 金屬空氣電化學電池陰極
EP0683136A3 (en) Silver removal
GB2343192B (en) Electrochemical cell for metal recovery
WO2003014419A3 (de) Elektrolysezelle, insbesondere zur elektrochemischen herstellung von chlor
WO1998037024A3 (de) Verfahren zur entfernung von chlorationen aus lösungen
WO2004013381A3 (en) Insoluble anode loop in copper electrodeposition cell for interconnect formation
ES2120106T3 (es) Procedimiento para la obtencion de hidroxidos metalicos.
EP0834345A3 (en) Electrochemical process for purifying hydroxide compounds
ZA9811792B (en) Pressure activated current interrupter for electrochemical cells.
EP0834346A3 (en) Process for purifying hydroxide compounds
EP1179616A3 (en) Method and apparatuses for electrochemically treating an article
TW336958B (en) Process for the purification of an aqueous solution of a tertiary amine-oxide
AU2001262326A1 (en) Electrolysis cell for restoring the concentration of metal ions in processes of electroplating
CA2235308A1 (en) Electrowinning electrode and cell design and process for using same
MY137770A (en) Metal finishing apparatus and metal finishing method using the same
MXPA01012692A (es) Sistema y metodo para invertir flujo de electrolito durante una operacion de electropulido.