DE69740087D1 - Leistungsabhängiges Steuerungssystem - Google Patents

Leistungsabhängiges Steuerungssystem

Info

Publication number
DE69740087D1
DE69740087D1 DE69740087T DE69740087T DE69740087D1 DE 69740087 D1 DE69740087 D1 DE 69740087D1 DE 69740087 T DE69740087 T DE 69740087T DE 69740087 T DE69740087 T DE 69740087T DE 69740087 D1 DE69740087 D1 DE 69740087D1
Authority
DE
Germany
Prior art keywords
performance
control system
dependent control
treatment
flow rate
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
DE69740087T
Other languages
English (en)
Inventor
George Hays
John Haaland
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 DE69740087D1 publication Critical patent/DE69740087D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/008Control or steering systems not provided for elsewhere in subclass C02F
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/18Water
    • 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
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/005Processes using a programmable logic controller [PLC]
    • C02F2209/006Processes using a programmable logic controller [PLC] comprising a software program or a logic diagram
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/05Conductivity or salinity
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/06Controlling or monitoring parameters in water treatment pH
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/11Turbidity
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/40Liquid flow rate
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/08Corrosion inhibition
    • 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
    • Y10T137/0318Processes
    • Y10T137/0324With control of flow by a condition or characteristic of a fluid
    • Y10T137/0329Mixing of plural fluids of diverse characteristics or conditions
    • Y10T137/034Controlled by conductivity of mixture
    • 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

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Hydrology & Water Resources (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Water Supply & Treatment (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Control Of Non-Electrical Variables (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Control Of Steam Boilers And Waste-Gas Boilers (AREA)
  • Selective Calling Equipment (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
DE69740087T 1996-02-29 1997-08-28 Leistungsabhängiges Steuerungssystem Expired - Lifetime DE69740087D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/610,146 US5855791A (en) 1996-02-29 1996-02-29 Performance-based control system
EP20070120995 EP1980535B1 (de) 1996-02-29 1997-08-28 Leistungsabhängiges Steuerungssystem
PCT/US1997/015156 WO1999011578A1 (en) 1996-02-29 1997-08-28 Performance-based control system

Publications (1)

Publication Number Publication Date
DE69740087D1 true DE69740087D1 (de) 2011-02-03

Family

ID=26792728

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69740087T Expired - Lifetime DE69740087D1 (de) 1996-02-29 1997-08-28 Leistungsabhängiges Steuerungssystem
DE1997638318 Expired - Lifetime DE69738318T2 (de) 1996-02-29 1997-08-28 Leistungsabhängiges steuerungssystem

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE1997638318 Expired - Lifetime DE69738318T2 (de) 1996-02-29 1997-08-28 Leistungsabhängiges steuerungssystem

Country Status (11)

Country Link
US (1) US5855791A (de)
EP (2) EP1025053B1 (de)
JP (1) JP3626095B2 (de)
AT (1) ATE492516T1 (de)
AU (1) AU747194B2 (de)
CA (1) CA2302245C (de)
DE (2) DE69740087D1 (de)
ES (1) ES2297865T3 (de)
NZ (1) NZ503446A (de)
PT (1) PT1980535E (de)
WO (1) WO1999011578A1 (de)

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Also Published As

Publication number Publication date
US5855791A (en) 1999-01-05
WO1999011578A1 (en) 1999-03-11
EP1025053A4 (de) 2004-12-29
EP1025053B1 (de) 2007-11-21
EP1980535B1 (de) 2010-12-22
CA2302245A1 (en) 1999-03-11
AU747194B2 (en) 2002-05-09
EP1025053A1 (de) 2000-08-09
ATE492516T1 (de) 2011-01-15
JP2001514075A (ja) 2001-09-11
AU4238597A (en) 1999-03-22
JP3626095B2 (ja) 2005-03-02
ES2297865T3 (es) 2008-05-01
PT1980535E (pt) 2011-03-14
DE69738318T2 (de) 2008-10-02
CA2302245C (en) 2008-11-18
EP1980535A2 (de) 2008-10-15
NZ503446A (en) 2003-02-28
EP1980535A3 (de) 2008-12-10
DE69738318D1 (de) 2008-01-03

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