CA1198971A - Ph control of a process stream - Google Patents

Ph control of a process stream

Info

Publication number
CA1198971A
CA1198971A CA000409507A CA409507A CA1198971A CA 1198971 A CA1198971 A CA 1198971A CA 000409507 A CA000409507 A CA 000409507A CA 409507 A CA409507 A CA 409507A CA 1198971 A CA1198971 A CA 1198971A
Authority
CA
Canada
Prior art keywords
process stream
backmixing
sample
vessel
reagent
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
Application number
CA000409507A
Other languages
English (en)
French (fr)
Inventor
Loren H. Haag
Richard Weber
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.)
ExxonMobil Technology and Engineering Co
Original Assignee
Exxon Research and Engineering Co
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 Exxon Research and Engineering Co filed Critical Exxon Research and Engineering Co
Application granted granted Critical
Publication of CA1198971A publication Critical patent/CA1198971A/en
Expired 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/1412—Controlling the absorption process
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/1425—Regeneration of liquid absorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/1456—Removing acid components
    • B01D53/1468—Removing hydrogen sulfide
    • 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
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/12—Condition responsive control

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Control Of Non-Electrical Variables (AREA)
CA000409507A 1981-10-05 1982-08-16 Ph control of a process stream Expired CA1198971A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/308,467 US4762796A (en) 1981-10-05 1981-10-05 pH control of a process stream
US308,467 1981-10-05

Publications (1)

Publication Number Publication Date
CA1198971A true CA1198971A (en) 1986-01-07

Family

ID=23194104

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000409507A Expired CA1198971A (en) 1981-10-05 1982-08-16 Ph control of a process stream

Country Status (5)

Country Link
US (1) US4762796A (enExample)
EP (1) EP0076683B1 (enExample)
JP (1) JPS5874184A (enExample)
CA (1) CA1198971A (enExample)
DE (1) DE3279256D1 (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4648043A (en) * 1984-05-07 1987-03-03 Betz Laboratories, Inc. Computerized system for feeding chemicals into water treatment system
GB8614530D0 (en) * 1986-06-14 1986-07-23 Clean Water Co Ltd Liquid treatment process
DE3718338A1 (de) * 1987-06-01 1989-01-05 Karlsruhe Wiederaufarbeit Verfahren und vorrichtung zur loesungsmittelwaesche bei der wiederaufarbeitung von bestrahlten kernbrennstoffen
DE3723178C2 (de) * 1987-07-14 1996-01-25 Bodenseewerk Perkin Elmer Co Verfahren und Vorrichtung zur Fließinjektionsanalyse in Kombination mit Atomabsorptionsspektroskopie
GB2230619B (en) * 1989-03-14 1993-07-14 Philip Kerrison Chemical dose control
DE4117382A1 (de) * 1991-05-28 1992-12-03 Metallgesellschaft Ag Verfahren zum regeln des ph-wertes einer sauren waschfluessigkeit
US5168065A (en) * 1991-11-27 1992-12-01 The Babcock & Wilcox Company Forced oxidation monitoring and control system
US5202092A (en) * 1991-12-03 1993-04-13 Norcross Corporation Device for monitoring the PH of water based inks
US5609180A (en) * 1992-04-27 1997-03-11 Burlington Chemical Co., Inc. Liquid alkali system for fiber reactive dyeing
DE4300388C2 (de) * 1993-01-09 1995-03-16 Metallgesellschaft Ag Verfahren zur kontinuierlichen Einstellung und Regelung des pH-Wertes einer sauren Flüssigkeit, bei dem die kontinuierliche Messung des pH-Wertes mit einer Glaselektrode erfolgt
DE4335867A1 (de) * 1993-10-21 1995-05-04 Hans Dr Remstedt Verfahren zur gleichzeitigen Entfernung von Schwefeloxiden und Stickoxiden aus Verbrennungsabgasen in einer Ammoniakwäsche
US9527010B2 (en) 2009-09-25 2016-12-27 Ge Healthcare Bio-Sciences Corp. Separation system and method

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3069242A (en) * 1958-02-25 1962-12-18 Chemithon Corp Sulfonation and sulfation apparatus
US3180699A (en) * 1959-10-31 1965-04-27 Ballestra Mario Method for carrying out continuously the stoichiometric neutralization of a sulphonic acid
US3791793A (en) * 1972-01-31 1974-02-12 Leeds & Northrup Co Adaptive feed forward-feedback control of the concentration of a selected ion of a solution
US4033871A (en) * 1975-11-13 1977-07-05 Paddock Of California, Inc. Integrated monitor and control system for continuously monitoring and controlling pH and free halogen in swimming pool water
US4121767A (en) * 1976-07-26 1978-10-24 Richard Jensen Mobile agricultural sprayer with additive concentration control
US4164547A (en) * 1977-05-06 1979-08-14 American Air Filter Company, Inc. Process for removing sulfur dioxide in a wet scrubber
US4181951A (en) * 1978-04-28 1980-01-01 Jan Boeke In-line pH and pIon controller
US4224283A (en) * 1979-03-02 1980-09-23 Phillips Petroleum Company Purification of hydrocarbons
NL7902177A (nl) * 1979-03-20 1980-09-23 Verder Vleuten Bv Werkwijze voor het automatisch doseren van chemicalieen in zwembaden, alsmede inrichting voor het uitvoeren van deze werkwijze.

Also Published As

Publication number Publication date
EP0076683A1 (en) 1983-04-13
US4762796A (en) 1988-08-09
JPH0221875B2 (enExample) 1990-05-16
EP0076683B1 (en) 1988-11-30
DE3279256D1 (en) 1989-01-05
JPS5874184A (ja) 1983-05-04

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Legal Events

Date Code Title Description
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