ZA9410120B - Method and apparatus for controlling the feed of water treatment chemicals using a voltammetric sensor - Google Patents

Method and apparatus for controlling the feed of water treatment chemicals using a voltammetric sensor

Info

Publication number
ZA9410120B
ZA9410120B ZA9410120A ZA9410120A ZA9410120B ZA 9410120 B ZA9410120 B ZA 9410120B ZA 9410120 A ZA9410120 A ZA 9410120A ZA 9410120 A ZA9410120 A ZA 9410120A ZA 9410120 B ZA9410120 B ZA 9410120B
Authority
ZA
South Africa
Prior art keywords
controlling
feed
solution
water treatment
voltammetric sensor
Prior art date
Application number
ZA9410120A
Other languages
English (en)
Inventor
Thomas E Mcneel
Original Assignee
Buckman Labor Inc
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 Buckman Labor Inc filed Critical Buckman Labor Inc
Publication of ZA9410120B publication Critical patent/ZA9410120B/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/18—Water
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/416—Systems
    • G01N27/49—Systems involving the determination of the current at a single specific value, or small range of values, of applied voltage for producing selective measurement of one or more particular ionic species

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Pathology (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Molecular Biology (AREA)
  • Food Science & Technology (AREA)
  • Electrochemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Cleaning Or Drying Semiconductors (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Control Of Non-Electrical Variables (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Activated Sludge Processes (AREA)
  • Physical Water Treatments (AREA)
  • Weting (AREA)
ZA9410120A 1994-01-13 1994-12-20 Method and apparatus for controlling the feed of water treatment chemicals using a voltammetric sensor ZA9410120B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/181,254 US5470484A (en) 1994-01-13 1994-01-13 Method and apparatus for controlling the feed of water treatment chemicals using a voltammetric sensor

Publications (1)

Publication Number Publication Date
ZA9410120B true ZA9410120B (en) 1996-03-06

Family

ID=22663502

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9410120A ZA9410120B (en) 1994-01-13 1994-12-20 Method and apparatus for controlling the feed of water treatment chemicals using a voltammetric sensor

Country Status (18)

Country Link
US (1) US5470484A (de)
EP (1) EP0739485B1 (de)
JP (1) JP3251016B2 (de)
CN (1) CN1088193C (de)
AT (1) ATE314646T1 (de)
AU (1) AU1566395A (de)
BR (1) BR9506513A (de)
CA (1) CA2180365C (de)
CZ (1) CZ208796A3 (de)
DE (1) DE69534714T2 (de)
ES (1) ES2256844T3 (de)
FI (1) FI118393B (de)
MX (1) MX9602760A (de)
NO (1) NO962932L (de)
NZ (1) NZ279132A (de)
SK (1) SK90496A3 (de)
WO (1) WO1995019566A1 (de)
ZA (1) ZA9410120B (de)

Families Citing this family (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU730153B2 (en) * 1994-01-13 2001-03-01 Buckman Laboratories International, Inc. A method and apparatus for controlling the feed of water treatment chemicals using a voltammetric sensor
DE59509994D1 (de) * 1994-06-03 2002-02-21 Metrohm Ag Herisau Vorrichtung für die Voltammetrie, Indikatorelektroden-Anordnung für eine solche Vorrichtung, insbesondere als Teil einer Bandkassette, und Reihenanalyse-Verfahren für die Voltammetrie
US5644501A (en) * 1994-12-06 1997-07-01 Lin; Shengfu Method of using a computer to collect chemical signals directly
DE19642413A1 (de) * 1996-10-14 1998-04-16 Dinotec Gmbh Vorrichtung zur Dosierung von wasserstoffperoxidhaltigen wäßrigen Lösungen
US6203767B1 (en) 1998-11-06 2001-03-20 Steris Corporation Peracetic acid card reader and card style sensor
US6541139B1 (en) * 1999-08-05 2003-04-01 Alan W. Cibuzar Septic battery
US6558529B1 (en) * 2000-02-07 2003-05-06 Steris Inc. Electrochemical sensor for the specific detection of peroxyacetic acid in aqueous solutions using pulse amperometric methods
US6592730B1 (en) 2000-02-07 2003-07-15 Steris Inc. Durable carbon electrode
US6598457B2 (en) 2001-04-05 2003-07-29 Buckman Laboratories International, Inc. Method and apparatus for measuring the amount of entrained gases in a liquid sample
US20030019748A1 (en) * 2001-06-19 2003-01-30 Elena Viltchinskaia Method and apparatus for stripping voltammetric and potent iometric detection and measurement of contamination in liquids
US7264709B2 (en) * 2004-09-21 2007-09-04 Siemens Water Technologies Holding Corp. Method and apparatus for conditioning a sensor for measuring oxidation reduction potential
EP1707954B1 (de) * 2005-04-01 2008-05-07 Mettler-Toledo AG Verfahren und Vorrichtung zur Funktionskontrolle eines Sensors
GB0601184D0 (en) * 2006-01-20 2006-03-01 Intellitect Water Ltd Sensor drive and signal processing system for electrochemical sensors
US8153057B2 (en) 2007-07-24 2012-04-10 Nalco Company Method and device for preventing corrosion in hot water systems
US8658095B2 (en) 2007-01-29 2014-02-25 Nalco Company High temperature and pressure oxidation-reduction potential measuring and monitoring device for hot water systems
US8658094B2 (en) * 2007-01-29 2014-02-25 Nalco Company High temperature and pressure oxidation-reduction potential measuring and monitoring device for hot water systems
US8980173B2 (en) 2007-01-29 2015-03-17 Nalco Company Systems and methods for monitoring and controlling corrosion in hot water systems
US8771593B2 (en) 2007-07-24 2014-07-08 Nalco Company Method and device for preventing corrosion in hot water systems
US7666312B2 (en) * 2007-03-28 2010-02-23 Nalco Company Method of inhibiting corrosion in industrial hot water systems by monitoring and controlling oxidant/reductant feed through a nonlinear control algorithm
US7998352B2 (en) * 2007-09-10 2011-08-16 Nalco Company Method and device for cleanup and deposit removal from internal hot water system surfaces
US8906202B2 (en) * 2007-07-24 2014-12-09 Nalco Company Method of detecting and reducing contamination in papermaking boiler systems
US7951298B2 (en) * 2007-09-10 2011-05-31 Nalco Company Method and device for preventing corrosion in hot water systems undergoing intermittent operations
CN101815940B (zh) * 2007-09-03 2013-01-02 拉尔分析仪器有限公司 用于测定水或废水化学需氧量的方法和装置
US8888988B2 (en) * 2008-05-02 2014-11-18 Nalco Company Method of monitoring corrosion potential of engineering alloys in aqueous systems
JP5172606B2 (ja) * 2008-10-30 2013-03-27 シスメックス株式会社 被検物質の特異的検出方法および装置、ならびに検査チップ
US8130106B1 (en) 2008-10-31 2012-03-06 Nalco Company Method of detecting sugar in industrial process boiler systems
US8068033B2 (en) * 2008-10-31 2011-11-29 Nalco Company Method of detecting contamination in industrial process boiler systems
EP2443070A4 (de) * 2009-06-16 2013-06-19 Cambrian Innovation Inc Systeme und vorrichtung zur verarbeitung und überwachung von wasser, abwasser und anderen biologisch abbaubaren stoffen
WO2011027288A2 (en) 2009-09-03 2011-03-10 Ecolab Usa Inc. Electrolytic degradation systems and methods usable in industrial applications
DE102011120819A1 (de) 2011-12-13 2013-06-13 Dinotec Gmbh Wassertechnologie Und Schwimmbadtechnik Verfahren zum Reinigen von Elektrodenoberflächen
PT2844993T (pt) * 2012-05-03 2020-01-24 Buckman Laboratories Int Inc Métodos de medição e controlo da concentração de espécies electroliticamente activas em soluções aquosas
US9857310B2 (en) 2013-01-18 2018-01-02 Randy Fowler Method and system for testing sodium dimethyldithiocarbamate in water
US9097680B1 (en) * 2013-01-18 2015-08-04 Randy Fowler Apparatus and method for determining sodium dimethyldithiocarbamate in water
WO2016183666A1 (en) * 2015-05-19 2016-11-24 Formarum Inc. Water treatment system and method
EP3168611A1 (de) * 2015-11-12 2017-05-17 Total SA Korrosion- oder kesselsteinverhüterdosierung in brauchwasser
TWI718284B (zh) 2016-04-07 2021-02-11 美商零質量純水股份有限公司 太陽能加熱單元
US10357739B2 (en) 2016-05-20 2019-07-23 Zero Mass Water Inc. Systems and methods for water extraction control
US11447407B2 (en) 2017-07-14 2022-09-20 Source Global, PBC Systems for controlled treatment of water with ozone and related methods therefor
AU2018329665B2 (en) 2017-09-05 2023-11-16 Source Global, PBC Systems and methods for managing production and distribution of liquid water extracted from air
US11384517B2 (en) 2017-09-05 2022-07-12 Source Global, PBC Systems and methods to produce liquid water extracted from air
US11555421B2 (en) 2017-10-06 2023-01-17 Source Global, PBC Systems for generating water with waste heat and related methods therefor
US20210196161A1 (en) * 2017-10-30 2021-07-01 The Regents Of The University Of California Calibration Free In-Vivo Measurement of Analytes Using Electrochemical Sensors
US11281997B2 (en) 2017-12-06 2022-03-22 Source Global, PBC Systems for constructing hierarchical training data sets for use with machine-learning and related methods therefor
AU2019221791B2 (en) 2018-02-18 2024-05-23 Source Global, PBC Systems for generating water for a container farm and related methods therefor
US11536690B2 (en) * 2018-03-30 2022-12-27 Provigate Inc. Electrical circuit for electrochemical measurement and measurement device
WO2019217974A1 (en) 2018-05-11 2019-11-14 Zero Mass Water, Inc. Systems for generating water using exogenously generated heat, exogenously generated electricity, and exhaust process fluids and related methods therefor
US11285435B2 (en) 2018-10-19 2022-03-29 Source Global, PBC Systems and methods for generating liquid water using highly efficient techniques that optimize production
US20200124566A1 (en) 2018-10-22 2020-04-23 Zero Mass Water, Inc. Systems and methods for detecting and measuring oxidizing compounds in test fluids
WO2020219604A1 (en) 2019-04-22 2020-10-29 Zero Mass Water, Inc. Water vapor adsorption air drying system and method for generating liquid water from air
WO2022159443A1 (en) 2021-01-19 2022-07-28 Source Global, PBC Systems and methods for generating water from air
CN113816528B (zh) * 2021-10-07 2023-04-28 浙江宏电环保股份有限公司 具有过滤收集装置的水处理设备
CN113816477B (zh) * 2021-10-07 2023-04-21 浙江宏电环保股份有限公司 一种污水沉降处理装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1944803A (en) * 1928-02-02 1934-01-23 Ornstein Georg Water treatment
US3399133A (en) * 1963-10-11 1968-08-27 Dow Chemical Co Method for developing a control signal and flocculating process employing same
JPS49123098A (de) * 1973-03-28 1974-11-25
SU573745A1 (ru) * 1974-05-24 1977-09-25 Институт медико-биологических проблем МЗ СССР Способ определени содержани общего органического углерода в воде
US4059406A (en) * 1976-07-12 1977-11-22 E D T Supplies Limited Electrochemical detector system
US4830757A (en) * 1985-08-06 1989-05-16 The Mogul Corporation Telemetry system for water and energy monitoring
US4822474A (en) * 1987-04-30 1989-04-18 Pennwalt Corporation Residual analyzer assembly
US5186798A (en) * 1987-12-11 1993-02-16 Hitachi, Ltd. Solution quantitative analysis apparatus, quantitative analysis methods, and nuclear reactor water quality control system
US4855061A (en) * 1988-04-26 1989-08-08 Cpc Engineering Corporation Method and apparatus for controlling the coagulant dosage for water treatment
US4923599A (en) * 1988-06-10 1990-05-08 Southern Water Treatment Co., Inc. Waste water treatment apparatus
US4928065A (en) * 1989-03-31 1990-05-22 E. I. Du Pont De Nemours And Company Voltammetry in low-permitivity suspensions
JP2581833B2 (ja) * 1989-09-11 1997-02-12 株式会社日立製作所 プラントの運転状態監視システム
CA2040114A1 (en) * 1990-07-09 1992-01-10 Albert Van Grouw, Iii Method and system for continuously monitoring and controlling a process stream for dechlorination residual

Also Published As

Publication number Publication date
CZ208796A3 (en) 1997-03-12
CN1088193C (zh) 2002-07-24
DE69534714T2 (de) 2006-07-13
SK90496A3 (en) 1997-07-09
EP0739485B1 (de) 2005-12-28
NO962932L (no) 1996-09-12
CA2180365A1 (en) 1995-07-20
FI962837A0 (fi) 1996-07-12
FI118393B (fi) 2007-10-31
CA2180365C (en) 2002-03-19
FI962837A (fi) 1996-09-12
MX9602760A (es) 1998-11-30
JP3251016B2 (ja) 2002-01-28
JPH09502527A (ja) 1997-03-11
US5470484A (en) 1995-11-28
ES2256844T3 (es) 2006-07-16
AU1566395A (en) 1995-08-01
WO1995019566A1 (en) 1995-07-20
EP0739485A1 (de) 1996-10-30
NZ279132A (en) 1997-09-22
ATE314646T1 (de) 2006-01-15
CN1138899A (zh) 1996-12-25
BR9506513A (pt) 1997-09-09
NO962932D0 (no) 1996-07-12
DE69534714D1 (de) 2006-02-02

Similar Documents

Publication Publication Date Title
ZA9410120B (en) Method and apparatus for controlling the feed of water treatment chemicals using a voltammetric sensor
HK1107147A1 (en) Electrochemical cell
PL307827A1 (en) Method of and apparatus for treating industrial liquid wastes by electrolysis
DE69104471D1 (de) Verfahren und Vorrichtung zur Behandlung eines Fluides unter Verwendung eines kapazitiven Effekts.
ATE196949T1 (de) Verfahren und vorrichtung zur elektrochemischen veränderung von chromatographiematerial
EP0318289A3 (de) Vorrichtung und Verfahren zur Feststellung eines Tunnelstroms und einer elektrochemischen Reaktion
GB9908681D0 (en) Apparatus for, and method of, introducing a substance into an object
GB9930362D0 (en) Method and apparatus for decontamination of fluids
EP0080514A4 (de) Verfahren und vorrichtung zur steuerung des widerstandsschweissens.
DE69310450D1 (de) Verfahren und Vorrichtung zur Reduzierung von Verfärbung in Wasser
US3315270A (en) Dissolved oxidant analysis
WO2002012874A3 (en) Method and system for measuring active animal glue concentration in industrial electrolytes
GB1579110A (en) Device for the determination ofthe concentration of sodium in a flowing mercury-sodium amalgam
ATE219033T1 (de) Verfahren zur dosierung von wasserstoffperoxidhaltigen lösungen
SU1634643A1 (ru) Устройство дл электрохимической обработки жидкости
HUT42183A (en) Detecting contents of organic material in water by means of electrochemical method and apparatus
SE9100328D0 (sv) Maetanordning respektive saett att rengoera en i denna ingaaende maetelektrod
Denis et al. Continuous determination of residual chlorite in water
SE8306933D0 (sv) Sett for tillforsel av kemikalier till elektrolyten i blekerifilter
JPH0217656U (de)
JPH0747367A (ja) イオン水生成機
DD220835A1 (de) Messwertgeber zur kontinuierlichen hydrazinbestimmung in waessrigen loesungen
JP2000119885A (ja) フロー式カラム型電解合成セル
JPS57192299A (en) Controlling method of electrolytic liquid for descaling of steel wire material
JPS6425540A (en) Electrolytic etching apparatus for semiconductor