ATE503215T1 - Leistungsbezogenes steuerungssystem - Google Patents

Leistungsbezogenes steuerungssystem

Info

Publication number
ATE503215T1
ATE503215T1 AT04024503T AT04024503T ATE503215T1 AT E503215 T1 ATE503215 T1 AT E503215T1 AT 04024503 T AT04024503 T AT 04024503T AT 04024503 T AT04024503 T AT 04024503T AT E503215 T1 ATE503215 T1 AT E503215T1
Authority
AT
Austria
Prior art keywords
control system
related control
performance related
performance
relates
Prior art date
Application number
AT04024503T
Other languages
English (en)
Inventor
Edward S Beardwood
George F Hays
James G Knudsen
Original Assignee
Ashland Licensing & Intellectu
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 & Intellectu filed Critical Ashland Licensing & Intellectu
Application granted granted Critical
Publication of ATE503215T1 publication Critical patent/ATE503215T1/de

Links

Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D21/00Control of chemical or physico-chemical variables, e.g. pH value
    • G05D21/02Control of chemical or physico-chemical variables, e.g. pH value characterised by the use of electric means
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/02Non-contaminated water, e.g. for industrial water supply
    • C02F2103/023Water in cooling circuits
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/30Wastewater or sewage treatment systems using renewable energies
    • Y02W10/33Wastewater or sewage treatment systems using renewable energies using wind energy
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/0318Processes
    • Y10T137/0324With control of flow by a condition or characteristic of a fluid
    • Y10T137/0329Mixing of plural fluids of diverse characteristics or conditions
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/2496Self-proportioning or correlating systems
    • Y10T137/2499Mixture condition maintaining or sensing
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/2496Self-proportioning or correlating systems
    • Y10T137/2499Mixture condition maintaining or sensing
    • Y10T137/2509By 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)
  • Testing And Monitoring For Control Systems (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Feedback Control In General (AREA)
  • Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
  • Earth Drilling (AREA)
  • Prevention Of Electric Corrosion (AREA)
  • Valve Device For Special Equipments (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Control Of Non-Electrical Variables (AREA)
  • Control Of Steam Boilers And Waste-Gas Boilers (AREA)
  • Selective Calling Equipment (AREA)
AT04024503T 1998-12-29 1999-12-27 Leistungsbezogenes steuerungssystem ATE503215T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/221,601 US6068012A (en) 1998-12-29 1998-12-29 Performance-based control system

Publications (1)

Publication Number Publication Date
ATE503215T1 true ATE503215T1 (de) 2011-04-15

Family

ID=22828485

Family Applications (2)

Application Number Title Priority Date Filing Date
AT04024503T ATE503215T1 (de) 1998-12-29 1999-12-27 Leistungsbezogenes steuerungssystem
AT99967608T ATE354123T1 (de) 1998-12-29 1999-12-27 Leistungsbezogenes steuerungssystem

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT99967608T ATE354123T1 (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
US6280635B1 (en) 2000-05-01 2001-08-28 Nalco Chemical Company Autocycle control of cooling water systems
US6587753B2 (en) 2000-05-01 2003-07-01 Ondeo Nalco Company Use of control matrix for boiler control
US6336058B1 (en) 2000-05-01 2002-01-01 Nalco Chemical 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
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
MXPA02012886A (es) 2000-06-22 2003-05-14 United States Filter Corp Control de la corrosion utilizando un donador de peroxido de hidrogeno.
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
US6991735B2 (en) * 2002-02-26 2006-01-31 Usfilter Corporation Free radical generator and method
US7108781B2 (en) * 2002-02-26 2006-09-19 Usfilter Corporation Enhanced air and water purification using continuous breakpoint halogenation with free oxygen radicals
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
CA2585715A1 (en) * 2004-11-08 2006-05-18 Ashland Licensing And Intellectual Property Llc Automated process for treating an aqueous system with chlorine dioxide
CA2602820A1 (en) * 2005-03-31 2006-10-05 Ashland Licensing And Intellectual Property Llc Process for inhibiting biofilm formation on and/or removing biofilm from an enhanced tube
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
US8652336B2 (en) 2006-06-06 2014-02-18 Siemens 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
US8634940B2 (en) * 2006-10-31 2014-01-21 Rockwell Automation Technologies, Inc. Model predictive control of a fermentation feed in biofuel production
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
US20080103747A1 (en) * 2006-10-31 2008-05-01 Macharia Maina A Model predictive control of a stillage sub-process in a biofuel production process
US8571690B2 (en) * 2006-10-31 2013-10-29 Rockwell Automation Technologies, Inc. Nonlinear model predictive control of a biofuel fermentation process
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
US7831318B2 (en) * 2006-10-31 2010-11-09 Rockwell Automation Technologies, Inc. Model predictive control of fermentation temperature in biofuel production
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
US8153057B2 (en) 2007-07-24 2012-04-10 Nalco Company Method and device for preventing 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
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
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
US8741155B2 (en) 2007-04-03 2014-06-03 Evoqua Water Technologies Llc Method and system for providing ultrapure water
US8961798B2 (en) 2007-04-03 2015-02-24 Evoqua Water Technologies Llc Method for measuring a concentration of a compound in a liquid stream
US8753522B2 (en) 2007-04-03 2014-06-17 Evoqua Water Technologies Llc System for controlling introduction of a reducing agent to a liquid stream
US20080245737A1 (en) * 2007-04-03 2008-10-09 Siemens Water Technologies Corp. Method and system for providing ultrapure water
US9365435B2 (en) 2007-04-03 2016-06-14 Evoqua Water Technologies Llc Actinic radiation reactor
US9365436B2 (en) 2007-04-03 2016-06-14 Evoqua Water Technologies Llc Method of irradiating a liquid
US9725343B2 (en) 2007-04-03 2017-08-08 Evoqua Water Technologies Llc System and method for measuring and treating a liquid stream
US8906202B2 (en) * 2007-07-24 2014-12-09 Nalco Company Method of detecting and reducing contamination in papermaking boiler systems
US7998352B2 (en) * 2007-09-10 2011-08-16 Nalco Company Method and device for cleanup and deposit removal from internal hot water system surfaces
US7951298B2 (en) * 2007-09-10 2011-05-31 Nalco Company Method and device for preventing corrosion in hot water systems undergoing intermittent operations
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
US9296630B2 (en) 2011-01-27 2016-03-29 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
US10233102B2 (en) * 2014-01-03 2019-03-19 Solenis Technologies, L.P. Device and method for controlling deposit formation
US20160311695A1 (en) * 2014-01-03 2016-10-27 Solenis Technologies Cayman, L.P. Method for regulating the concentration of a treatment chemical inside a liquid bearing system
US11161762B2 (en) 2015-01-21 2021-11-02 Evoqua Water Technologies Llc Advanced oxidation process for ex-situ groundwater remediation
CA2918564C (en) 2015-01-21 2023-09-19 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
CA3030982A1 (en) * 2016-07-19 2018-01-25 Ecolab Usa Inc. Control of industrial water treatment via digital imaging
IL264327B (en) 2016-07-19 2022-09-01 Ecolab Usa Inc Control of industrial water treatment using digital imaging
JP2024501104A (ja) * 2020-11-11 2024-01-11 エコラボ ユーエスエー インコーポレイティド 冷却塔において複数の同時独立水源を利用するための方法
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
US4966711A (en) * 1989-02-27 1990-10-30 Nalco Chemical Company Transition metals as treatment chemical tracers
US5200106A (en) * 1989-02-27 1993-04-06 Nalco Chemical Company Compositions comprising transition metals for treating and monitoring liquid systems
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
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
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
EP1503264B1 (de) 2011-03-23
EP1727014A3 (de) 2006-12-06
DE69935163D1 (de) 2007-03-29
US6068012A (en) 2000-05-30
US6510368B1 (en) 2003-01-21
WO2000039652A1 (en) 2000-07-06
CA2356153A1 (en) 2000-07-06
ZA200104727B (en) 2002-10-22
JP2002540289A (ja) 2002-11-26
EP1147462A1 (de) 2001-10-24
EP1147462B1 (de) 2007-02-14
EP1147462A4 (de) 2002-09-25
EP1503264A1 (de) 2005-02-02
EP1727014A2 (de) 2006-11-29
DE69935163T2 (de) 2007-10-31
ATE354123T1 (de) 2007-03-15
ES2360944T3 (es) 2011-06-10
DE69943302D1 (de) 2011-05-05
PT1503264E (pt) 2011-05-27
CA2356153C (en) 2008-01-08
ES2281204T3 (es) 2007-09-16
AU2386700A (en) 2000-07-31

Similar Documents

Publication Publication Date Title
ATE354123T1 (de) Leistungsbezogenes steuerungssystem
ATE554277T1 (de) Anordnung zur steuerung von apparatur
DE60229534D1 (de) System und techniken zur sendeleistungsregelung
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
DE69400834D1 (de) Berührpunkt-Erkennungsverfahren einer Kupplung
DE68908240D1 (de) Verfahren und geraet zur steuerung der elektrostatischen betriebsbedingungen einer elektrofotografischen vervielfaeltigungsvorrichtung.
FI945638A0 (fi) Menetelmä hissin ohjaamiseksi
ATE255060T1 (de) Fernsteuerung von aufzugsanlagen
DE59808578D1 (de) Überwachungs- und Steuerungssystem zur Regelung der Arbeitsfunktionen einer Ballenpresse
DE59206105D1 (de) Steuerungs- und Überwachungseinrichtung für eine Notleuchte
ATE184435T1 (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
NO893840D0 (no) Regenerering av chelaterte polyvalente metalloesninger vedelektrolyse med kontrollert potensiale.
WO2003046929A3 (en) System for and method of controlling a nuclear power plant
DE68918908D1 (de) Vorrichtung zur Steuerung der Durchführung der "Nach oben/nach unten"-Manöver von Hubschraubern.
ATE298503T1 (de) Biozide zusammensetzung und ihre verwendung
FR2786284B1 (fr) Procede de controle de mouvement d'un element servocommande
DK0555855T3 (da) Fremgangsmåde til positionering af en føler i en indretning til en baneforløbsregulering
FI950320A (fi) Rataverkoston ohjausmenetelmä
DE69923791D1 (de) Verbessertes verfahren und system zur servomechanischen steuerung

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification

Ref document number: 1503264

Country of ref document: EP