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 sensorInfo
- 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
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)
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 (fi) |
EP (1) | EP0739485B1 (fi) |
JP (1) | JP3251016B2 (fi) |
CN (1) | CN1088193C (fi) |
AT (1) | ATE314646T1 (fi) |
AU (1) | AU1566395A (fi) |
BR (1) | BR9506513A (fi) |
CA (1) | CA2180365C (fi) |
CZ (1) | CZ208796A3 (fi) |
DE (1) | DE69534714T2 (fi) |
ES (1) | ES2256844T3 (fi) |
FI (1) | FI118393B (fi) |
MX (1) | MX9602760A (fi) |
NO (1) | NO962932L (fi) |
NZ (1) | NZ279132A (fi) |
SK (1) | SK90496A3 (fi) |
WO (1) | WO1995019566A1 (fi) |
ZA (1) | ZA9410120B (fi) |
Families Citing this family (52)
Publication number | Priority date | Publication date | Assignee | Title |
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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 (en) * | 2009-06-16 | 2013-06-19 | Cambrian Innovation Inc | SYSTEMS AND DEVICE FOR PROCESSING AND MONITORING WATER, WASTEWATER AND OTHER BIODEGRADABLE SUBSTANCES |
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 (en) * | 2015-11-12 | 2017-05-17 | Total SA | Corrosion or scale inhibitor dosage in industrial water |
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)
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 (fi) * | 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 |
-
1994
- 1994-01-13 US US08/181,254 patent/US5470484A/en not_active Expired - Lifetime
- 1994-12-20 ZA ZA9410120A patent/ZA9410120B/xx unknown
-
1995
- 1995-01-12 CA CA002180365A patent/CA2180365C/en not_active Expired - Fee Related
- 1995-01-12 EP EP95907427A patent/EP0739485B1/en not_active Expired - Lifetime
- 1995-01-12 CZ CZ962087A patent/CZ208796A3/cs unknown
- 1995-01-12 SK SK904-96A patent/SK90496A3/sk unknown
- 1995-01-12 AT AT95907427T patent/ATE314646T1/de not_active IP Right Cessation
- 1995-01-12 DE DE69534714T patent/DE69534714T2/de not_active Expired - Fee Related
- 1995-01-12 AU AU15663/95A patent/AU1566395A/en not_active Abandoned
- 1995-01-12 CN CN95191216A patent/CN1088193C/zh not_active Expired - Fee Related
- 1995-01-12 WO PCT/US1995/000487 patent/WO1995019566A1/en active IP Right Grant
- 1995-01-12 NZ NZ279132A patent/NZ279132A/en not_active IP Right Cessation
- 1995-01-12 BR BR9506513A patent/BR9506513A/pt not_active IP Right Cessation
- 1995-01-12 ES ES95907427T patent/ES2256844T3/es not_active Expired - Lifetime
- 1995-01-12 JP JP51913895A patent/JP3251016B2/ja not_active Expired - Fee Related
-
1996
- 1996-07-12 MX MX9602760A patent/MX9602760A/es not_active IP Right Cessation
- 1996-07-12 NO NO962932A patent/NO962932L/no unknown
- 1996-07-12 FI FI962837A patent/FI118393B/fi active IP Right Grant
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 (en) | 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 (en) | 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 |
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