DE69935163D1 - Leistungsbezogenes steuerungssystem - Google Patents

Leistungsbezogenes steuerungssystem

Info

Publication number
DE69935163D1
DE69935163D1 DE69935163T DE69935163T DE69935163D1 DE 69935163 D1 DE69935163 D1 DE 69935163D1 DE 69935163 T DE69935163 T DE 69935163T DE 69935163 T DE69935163 T DE 69935163T DE 69935163 D1 DE69935163 D1 DE 69935163D1
Authority
DE
Germany
Prior art keywords
control system
performance control
performance
relates
parameter
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69935163T
Other languages
English (en)
Other versions
DE69935163T2 (de
Inventor
S Beardwood
F Hays
G Knudsen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ineos Composites IP LLC
Original Assignee
Ashland Licensing and Intellectual Property LLC
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 Ashland Licensing and Intellectual Property LLC filed Critical Ashland Licensing and Intellectual Property LLC
Application granted granted Critical
Publication of DE69935163D1 publication Critical patent/DE69935163D1/de
Publication of DE69935163T2 publication Critical patent/DE69935163T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D21/00—Control of chemical or physico-chemical variables, e.g. pH value
    • G05D21/02—Control of chemical or physico-chemical variables, e.g. pH value characterised by the use of electric means
    • 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
    • C02F2103/02—Non-contaminated water, e.g. for industrial water supply
    • C02F2103/023—Water in cooling circuits
    • 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
    • Y02W10/33—Wastewater or sewage treatment systems using renewable energies using wind energy
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/0318—Processes
    • Y10T137/0324—With control of flow by a condition or characteristic of a fluid
    • Y10T137/0329—Mixing of plural fluids of diverse characteristics or conditions
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2499—Mixture condition maintaining or sensing
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2499—Mixture condition maintaining or sensing
    • Y10T137/2509—By optical or chemical property

Landscapes

  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Feedback Control In General (AREA)
  • Testing And Monitoring For Control Systems (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Earth Drilling (AREA)
  • Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Valve Device For Special Equipments (AREA)
  • Prevention Of Electric Corrosion (AREA)
  • Selective Calling Equipment (AREA)
  • Control Of Steam Boilers And Waste-Gas Boilers (AREA)
  • Control Of Non-Electrical Variables (AREA)
DE69935163T 1998-12-29 1999-12-27 Leistungsbezogenes steuerungssystem Expired - Lifetime DE69935163T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/221,601 US6068012A (en) 1998-12-29 1998-12-29 Performance-based control system
US221601 1998-12-29
PCT/US1999/030865 WO2000039652A1 (en) 1998-12-29 1999-12-27 Performance-based control system

Publications (2)

Publication Number Publication Date
DE69935163D1 true DE69935163D1 (de) 2007-03-29
DE69935163T2 DE69935163T2 (de) 2007-10-31

Family

ID=22828485

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69935163T Expired - Lifetime DE69935163T2 (de) 1998-12-29 1999-12-27 Leistungsbezogenes steuerungssystem
DE69943302T Expired - Lifetime DE69943302D1 (de) 1998-12-29 1999-12-27 Leistungsbezogenes Steuerungssystem

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69943302T Expired - Lifetime DE69943302D1 (de) 1998-12-29 1999-12-27 Leistungsbezogenes Steuerungssystem

Country Status (11)

Country Link
US (2) US6068012A (de)
EP (3) EP1503264B1 (de)
JP (1) JP2002540289A (de)
AT (2) ATE503215T1 (de)
AU (1) AU2386700A (de)
CA (1) CA2356153C (de)
DE (2) DE69935163T2 (de)
ES (2) ES2281204T3 (de)
PT (1) PT1503264E (de)
WO (1) WO2000039652A1 (de)
ZA (1) ZA200104727B (de)

Families Citing this family (72)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19857014A1 (de) * 1998-12-09 2000-06-15 Wtw Weilheim Verfahren zur Messung von Wasser- und Abwasserparametern
US6409926B1 (en) 1999-03-02 2002-06-25 United States Filter Corporation Air and water purification using continuous breakpoint halogenation and peroxygenation
US6143184A (en) 1999-03-02 2000-11-07 United States Filter Corporation Air and water purification using continuous breakpoint halogenation
US6336058B1 (en) 2000-05-01 2002-01-01 Nalco Chemical Company Use of control matrix for boiler control
US6587753B2 (en) 2000-05-01 2003-07-01 Ondeo Nalco Company Use of control matrix for boiler control
US6315909B1 (en) 2000-05-01 2001-11-13 Nalco Chemical Company Use of control matrix for cooling water systems control
US6280635B1 (en) 2000-05-01 2001-08-28 Nalco Chemical Company Autocycle control of cooling water systems
CA2413888A1 (en) 2000-06-22 2001-12-27 United States Filter Corporation Corrosion control utilizing a hydrogen peroxide donor
US6355157B1 (en) * 2000-06-22 2002-03-12 United States Filter Corporation Process for real-time detection and inhibition of localized corrosion
US6419817B1 (en) * 2000-06-22 2002-07-16 United States Filter Corporation Dynamic optimization of chemical additives in a water treatment system
US6716359B1 (en) 2000-08-29 2004-04-06 United States Filter Corporation Enhanced time-based proportional control
US6645384B1 (en) * 2000-12-28 2003-11-11 Chemtreat, Inc. Method for inhibiting scale in high-cycle aqueous systems
US6620315B2 (en) 2001-02-09 2003-09-16 United States Filter Corporation System for optimized control of multiple oxidizer feedstreams
ES2180454B1 (es) * 2001-07-25 2004-04-01 Union Fenosa Generacion, S.A. Sistema para la vigilancia de la eficacia del tratamiento quimico del ciclo agua-vapor por medio de sondas in situ.
US6776926B2 (en) * 2001-08-09 2004-08-17 United States Filter Corporation Calcium hypochlorite of reduced reactivity
US7108781B2 (en) * 2002-02-26 2006-09-19 Usfilter Corporation Enhanced air and water purification using continuous breakpoint halogenation with free oxygen radicals
US6991735B2 (en) * 2002-02-26 2006-01-31 Usfilter Corporation Free radical generator and method
NZ518674A (en) * 2002-05-01 2005-01-28 Jobe Valves Ltd Frost proof valve including a valve housing, primary and secondary chambers, a flexible diahragm, an equalisation port and a safety port
US7179384B2 (en) * 2004-04-30 2007-02-20 Nalco Company Control of cooling water system using rate of consumption of fluorescent polymer
WO2006052902A2 (en) * 2004-11-08 2006-05-18 Ashland Licensing And Intellectual Property Llc Automated process for treating an aqueous system with chlorine dioxide
PL1869446T3 (pl) * 2005-03-31 2011-04-29 Solenis Technologies Cayman Lp Aparatura do monitorowania zamulenia układów wodnych
WO2007146671A2 (en) 2006-06-06 2007-12-21 Fluid Lines Ultaviolet light activated oxidation process for the reduction of organic carbon in semiconductor process water
US12103874B2 (en) 2006-06-06 2024-10-01 Evoqua Water Technologies Llc Ultraviolet light activated oxidation process for the reduction of organic carbon in semiconductor process water
US10343939B2 (en) 2006-06-06 2019-07-09 Evoqua Water Technologies Llc Ultraviolet light activated oxidation process for the reduction of organic carbon in semiconductor process water
US8521310B2 (en) * 2006-10-31 2013-08-27 Rockwell Automation Technologies, Inc. Integrated model predictive control of distillation and dehydration sub-processes in a biofuel production process
US7933849B2 (en) * 2006-10-31 2011-04-26 Rockwell Automation Technologies, Inc. Integrated model predictive control of batch and continuous processes in a biofuel production process
US7831318B2 (en) * 2006-10-31 2010-11-09 Rockwell Automation Technologies, Inc. Model predictive control of fermentation temperature in biofuel production
US8571690B2 (en) * 2006-10-31 2013-10-29 Rockwell Automation Technologies, Inc. Nonlinear model predictive control of a biofuel fermentation process
US20080103747A1 (en) * 2006-10-31 2008-05-01 Macharia Maina A Model predictive control of a stillage sub-process in a biofuel production process
US8634940B2 (en) * 2006-10-31 2014-01-21 Rockwell Automation Technologies, Inc. Model predictive control of a fermentation feed in biofuel production
US8771593B2 (en) 2007-07-24 2014-07-08 Nalco Company Method and device for preventing corrosion in 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
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
US8153057B2 (en) 2007-07-24 2012-04-10 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
US20080245737A1 (en) * 2007-04-03 2008-10-09 Siemens Water Technologies Corp. Method and system for providing ultrapure water
US8741155B2 (en) 2007-04-03 2014-06-03 Evoqua Water Technologies Llc Method and system for providing ultrapure water
US9365436B2 (en) 2007-04-03 2016-06-14 Evoqua Water Technologies Llc Method of irradiating a liquid
US9365435B2 (en) 2007-04-03 2016-06-14 Evoqua Water Technologies Llc Actinic radiation reactor
US8753522B2 (en) 2007-04-03 2014-06-17 Evoqua Water Technologies Llc System for controlling introduction of a reducing agent to a liquid stream
US9725343B2 (en) 2007-04-03 2017-08-08 Evoqua Water Technologies Llc System and method for measuring and treating a liquid stream
US8961798B2 (en) 2007-04-03 2015-02-24 Evoqua Water Technologies Llc Method for measuring a concentration of a compound in a liquid stream
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
US7998352B2 (en) * 2007-09-10 2011-08-16 Nalco Company Method and device for cleanup and deposit removal from internal hot water system surfaces
US8489240B2 (en) 2007-08-03 2013-07-16 General Electric Company Control system for industrial water system and method for its use
DE102007042520A1 (de) * 2007-09-07 2009-03-12 New Environmental Technology Gmbh Verfahren und Vorrichtung zur kontinuierlichen Aufbereitung belasteter Fluide
US20090242484A1 (en) * 2008-04-01 2009-10-01 Ana-Mariana Urmenyi Environmentally friendly hybrid microbiological control technologies for cooling towers
US8888988B2 (en) * 2008-05-02 2014-11-18 Nalco Company Method of monitoring corrosion potential of engineering alloys in aqueous systems
US20100028202A1 (en) * 2008-07-30 2010-02-04 Zhaoyang Wan Proactive control system for an industrial water system
US8068033B2 (en) * 2008-10-31 2011-11-29 Nalco Company Method of detecting contamination in industrial process boiler systems
US8130106B1 (en) 2008-10-31 2012-03-06 Nalco Company Method of detecting sugar in industrial process boiler systems
US20100163469A1 (en) 2008-12-26 2010-07-01 Zhaoyang Wan Control system for monitoring localized corrosion in an industrial water system
US8153010B2 (en) * 2009-01-12 2012-04-10 American Air Liquide, Inc. Method to inhibit scale formation in cooling circuits using carbon dioxide
US8591730B2 (en) 2009-07-30 2013-11-26 Siemens Pte. Ltd. Baffle plates for an ultraviolet reactor
WO2012103507A1 (en) 2011-01-27 2012-08-02 Advanced Guard Conservation System for removing chemicals from a working fluid, and methods related to the same
EP2527301B1 (de) 2011-05-26 2016-04-27 Evoqua Water Technologies GmbH Verfahren und Anordnung zur Wasserbehandlung
US9292023B2 (en) 2012-09-12 2016-03-22 International Business Machines Corporation Decreasing the internal temperature of a computer in response to corrosion
US9266797B2 (en) 2013-02-12 2016-02-23 Ecolab Usa Inc. Online monitoring of polymerization inhibitors for control of undesirable polymerization
US9505637B2 (en) 2013-03-15 2016-11-29 Ecolab Usa Inc. Methods of inhibiting fouling in liquid systems
US9399622B2 (en) 2013-12-03 2016-07-26 Ecolab Usa Inc. Nitroxide hydroxylamine and phenylenediamine combinations as polymerization inhibitors for ethylenically unsaturated monomer processes
MX2016007598A (es) * 2014-01-03 2016-10-04 Solenis Technologies Cayman Lp Dispositivo y metodo para regular la concentracion de un producto quimico de tratamiento dentro de un sistema portador de liquido.
PE20160921A1 (es) * 2014-01-03 2016-09-01 Solenis Technologies Cayman Lp Dispositivo y metodo para el control de la formacion de depositos
CA2918564C (en) 2015-01-21 2023-09-19 Evoqua Water Technologies Llc Advanced oxidation process for ex-situ groundwater remediation
US11161762B2 (en) 2015-01-21 2021-11-02 Evoqua Water Technologies Llc Advanced oxidation process for ex-situ groundwater remediation
US10943195B2 (en) 2015-03-20 2021-03-09 Schneider Electric Systems Usa, Inc. Asset management in a process control system
BR112019000817B1 (pt) 2016-07-19 2023-02-07 Ecolab Usa Inc Método de análise de depósito em um substrato em contato com água industrial em um sistema de água industrial
BR112019000811B1 (pt) 2016-07-19 2023-02-07 Ecolab Usa Inc Métodos de análise de um fluido de contato de substrato e de um substrato em contato com a água industrial
EP4244564A1 (de) * 2020-11-11 2023-09-20 Ecolab Usa Inc. Verfahren zur nutzung mehrerer simultan unabhängiger wasserquellen in einem kühlturm
CN117930897B (zh) * 2024-01-25 2024-06-25 山东中科绿碳科技有限公司 一种用于食品级碳酸氢铵工艺的智能监测系统
CN118145765B (zh) * 2024-05-11 2024-09-03 南京顺水达环保科技有限公司 基于膜壳利用变频电磁场杀菌阻垢监测方法及系统

Family Cites Families (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3069322A (en) 1958-05-28 1962-12-18 Bergstrom Sune Pge and pgf
US3156631A (en) 1959-09-16 1964-11-10 Robert G Seyl Method of measuring corrosion of electronic conductors by non-gaseous ionic conductors
US3266504A (en) * 1962-10-15 1966-08-16 Sundstrom Karl Erik Automatic titrator
US3250689A (en) 1965-05-03 1966-05-10 Robert G Seyl Simplified method of measuring corrosion using reference electrode
US3607673A (en) 1968-03-18 1971-09-21 Magna Corp Method for measuring corrosion rate
US3592212A (en) * 1969-12-18 1971-07-13 James A Schleimer Water treatment system
US3698065A (en) 1970-08-24 1972-10-17 Asco Inc Apparatus for making a display button
IT1008567B (it) * 1973-09-27 1976-11-30 Nalco Chemical Co Dispositivo per il controllo conti nuo del dosaggio di additivi chimi ci in sistemi evaporativi e impian ti con piu sistemi evaporativi con trollati da detto dispositivo
US4060097A (en) * 1975-09-17 1977-11-29 Oxford Keith E Automatic etching system
US4346587A (en) * 1980-10-30 1982-08-31 Drew Chemical Corporation Process and apparatus for testing fluids for fouling and antifoulant protocol
US4339945A (en) * 1980-10-30 1982-07-20 Drew Chemical Corporation Process and apparatus for testing fluids for fouling
US4464315A (en) * 1982-12-20 1984-08-07 Betz Entec, Inc. Indexing controller system and method of automatic control of cooling water tower systems
US4894346A (en) * 1983-10-11 1990-01-16 Calgon Corporation Method for the colorimetric determination of polycarboxylates in aqueous systems
US4648043A (en) * 1984-05-07 1987-03-03 Betz Laboratories, Inc. Computerized system for feeding chemicals into water treatment system
US4659459A (en) * 1985-07-18 1987-04-21 Betz Laboratories, Inc. Automated systems for introducing chemicals into water or other liquid treatment systems
US4830757A (en) * 1985-08-06 1989-05-16 The Mogul Corporation Telemetry system for water and energy monitoring
US4783314A (en) * 1987-02-26 1988-11-08 Nalco Chemical Company Fluorescent tracers - chemical treatment monitors
DE3729270A1 (de) * 1987-09-02 1989-03-16 Henkel Kgaa Kompaktstation zur kuehlkreislaufwasserbehandlung
GB8822584D0 (en) * 1988-09-27 1988-11-02 Abco Technology Ltd Steam boiler system
US4992380A (en) * 1988-10-14 1991-02-12 Nalco Chemical Company Continuous on-stream monitoring of cooling tower water
US4931187A (en) * 1989-02-07 1990-06-05 Klenzoid, Inc. Cooling tower system
US5200106A (en) * 1989-02-27 1993-04-06 Nalco Chemical Company Compositions comprising transition metals for treating and monitoring liquid systems
US4966711A (en) * 1989-02-27 1990-10-30 Nalco Chemical Company Transition metals as treatment chemical tracers
US5085831A (en) * 1989-10-17 1992-02-04 Nalco Chemical Company Apparatus for continually and automatically measuring the level of a water treatment product in boiler feedwater
US5061634A (en) * 1989-10-17 1991-10-29 Hickey James J Method for continually and automatically measuring the level of a water treatment product in boiler feedwater
FI88343C (fi) * 1989-12-28 1993-04-26 Antti Johannes Niemi Foerfarande och anordning foer beaktande av varierande volym och floede vid reglering av genomstroemningsprocesser
US5006311A (en) * 1990-03-23 1991-04-09 Nalco Chemical Company Monitoring performance of a treating agent added to a body of water
US5043406A (en) * 1990-03-26 1991-08-27 Nalco Chemical Company Fluorescent acrylamide polymers
US5171450A (en) * 1991-03-20 1992-12-15 Nalco Chemical Company Monitoring and dosage control of tagged polymers in cooling water systems
US5242602A (en) * 1992-03-04 1993-09-07 W. R. Grace & Co.-Conn. Spectrophotometric monitoring of multiple water treatment performance indicators using chemometrics
US5272346A (en) * 1992-04-09 1993-12-21 Nalco Chemical Company Ultraviolet spectrographic monitoring of water soluble corrosion inhibitors
US5278074A (en) * 1992-04-22 1994-01-11 Nalco Chemical Company Method of monitoring and controlling corrosion inhibitor dosage in aqueous systems
US5246026A (en) * 1992-05-12 1993-09-21 Proudman Systems, Inc. Fluid measuring, dilution and delivery system
US5363874A (en) * 1992-10-08 1994-11-15 Sentry Equipment Corp. Automated sample conditioning module
US5304800A (en) * 1992-11-10 1994-04-19 Nalco Chemical Company Leak detection and responsive treatment in industrial water processes
US5422014A (en) * 1993-03-18 1995-06-06 Allen; Ross R. Automatic chemical monitor and control system
US5360549A (en) * 1993-04-27 1994-11-01 Nalco Chemical Company Feed back control deposit inhibitor dosage optimization system
CA2118885C (en) * 1993-04-29 2005-05-24 Conrad K. Teran Process control system
CA2102473A1 (en) * 1993-09-29 1995-03-30 Sharon L. Weil Method of monitoring contaminants in industrial water systems
US5411889A (en) * 1994-02-14 1995-05-02 Nalco Chemical Company Regulating water treatment agent dosage based on operational system stresses
US5923571A (en) * 1994-10-11 1999-07-13 Betzdearborn, Inc. Apparatus and method for automatic congruent control of multiple boilers sharing a common feedwater line and chemical feed point
GB9420627D0 (en) * 1994-10-13 1994-11-30 Lasertrim Ltd Fluid treatment system
US5671153A (en) * 1995-02-24 1997-09-23 Phillips Petroleum Company Chemical reactor feed control
JPH0933538A (ja) * 1995-07-19 1997-02-07 Toa Medical Electronics Co Ltd 試薬調製装置およびその方法
US5576481A (en) * 1995-10-02 1996-11-19 Ashland, Inc. Method and apparatus for detecting microbiological fouling in aqueous systems
ZA971350B (en) * 1996-02-29 1997-10-02 Ashland Inc Performance-based control system.
US5855791A (en) * 1996-02-29 1999-01-05 Ashland Chemical Company Performance-based control system
US5736405A (en) * 1996-03-21 1998-04-07 Nalco Chemical Company Monitoring boiler internal treatment with fluorescent-tagged polymers
US5734098A (en) * 1996-03-25 1998-03-31 Nalco/Exxon Energy Chemicals, L.P. Method to monitor and control chemical treatment of petroleum, petrochemical and processes with on-line quartz crystal microbalance sensors
US5730879A (en) * 1996-07-01 1998-03-24 World Laboratories, Ltd. Process for conditioning recirculated evaporative cooling water
US5960808A (en) * 1997-06-18 1999-10-05 Ppg Industries Ohio, Inc. Method of controlling the amount of sanitizing agent in an aqueous medium
US6216092B1 (en) * 1998-05-04 2001-04-10 Chartered Semiconductor Manufacturing, Ltd. Dosage monitor for deionized water generator

Also Published As

Publication number Publication date
CA2356153A1 (en) 2000-07-06
CA2356153C (en) 2008-01-08
EP1727014A3 (de) 2006-12-06
EP1503264A1 (de) 2005-02-02
ZA200104727B (en) 2002-10-22
EP1503264B1 (de) 2011-03-23
DE69943302D1 (de) 2011-05-05
DE69935163T2 (de) 2007-10-31
JP2002540289A (ja) 2002-11-26
WO2000039652A1 (en) 2000-07-06
ATE354123T1 (de) 2007-03-15
ES2360944T3 (es) 2011-06-10
ATE503215T1 (de) 2011-04-15
EP1147462A1 (de) 2001-10-24
US6068012A (en) 2000-05-30
US6510368B1 (en) 2003-01-21
EP1147462A4 (de) 2002-09-25
ES2281204T3 (es) 2007-09-16
EP1727014A2 (de) 2006-11-29
PT1503264E (pt) 2011-05-27
EP1147462B1 (de) 2007-02-14
AU2386700A (en) 2000-07-31

Similar Documents

Publication Publication Date Title
DE69935163D1 (de) Leistungsbezogenes steuerungssystem
DE60229534D1 (de) System und techniken zur sendeleistungsregelung
ATE145042T1 (de) Berührpunkt-erkennungsverfahren einer kupplung
ATE554277T1 (de) Anordnung zur steuerung von apparatur
PT101648A (pt) Metodo de programacao de um comando a distancia
DE69525884D1 (de) Fernbedienungsverfahren unter Verwendung von veränderlichem Identifikationscode
ATE377297T1 (de) System und verfahren zur verstärkungsregelung von individuellen schmalbandkanälen unter verwendung einer breitbandleistungsmessung
DE69127700D1 (de) Halbleiterlaserdiodensteuerung und steuerverfahren zur laserdiodenvorspannung
ATE290905T1 (de) Vorrichtung zur steuerung der herzaktivität unter verwendung von nicht-erregender vorstimulation
DE68908240D1 (de) Verfahren und geraet zur steuerung der elektrostatischen betriebsbedingungen einer elektrofotografischen vervielfaeltigungsvorrichtung.
DE59900361D1 (de) Selbstlernendes Regelverfahren und selbstlernendes Regelsystem zur Regelung einer Temperiereinrichtung
FI945638A0 (fi) Menetelmä hissin ohjaamiseksi
DE59907840D1 (de) Fernsteuerung von Aufzugsanlagen
DE59206105D1 (de) Steuerungs- und Überwachungseinrichtung für eine Notleuchte
DE69420507D1 (de) Bürstenloser Motor
WO2002098225A3 (en) Plant growth regulators and methods for control of annual bluegrass
PT1058168E (pt) Regulacao automatica de carga
MA26299A1 (fr) Procede pour la surveillance et le controle des thysanopteres
WO2003046929A3 (en) System for and method of controlling a nuclear power plant
NO893840D0 (no) Regenerering av chelaterte polyvalente metalloesninger vedelektrolyse med kontrollert potensiale.
ATE298503T1 (de) Biozide zusammensetzung und ihre verwendung
DK0555855T3 (da) Fremgangsmåde til positionering af en føler i en indretning til en baneforløbsregulering
FI950320A (fi) Rataverkoston ohjausmenetelmä
FI980151A0 (fi) Foerfarande foer positionering av en manoevreringsanordning
DE69923791D1 (de) Verbessertes verfahren und system zur servomechanischen steuerung

Legal Events

Date Code Title Description
8381 Inventor (new situation)

Inventor name: BEARDWOOD, EDWARD, S., AURORA, ONTARIO L4G 4Z4, CA

Inventor name: HAYS, GEORGE, F., MORRISTOWN, NJ 07960-5148, US

Inventor name: KNUDSEN, JAMES, G., CORVALLIS, OR 97330-1807, US

8364 No opposition during term of opposition