BE880560A - Procede et appareil de controle - Google Patents

Procede et appareil de controle

Info

Publication number
BE880560A
BE880560A BE6/47035A BE6047035A BE880560A BE 880560 A BE880560 A BE 880560A BE 6/47035 A BE6/47035 A BE 6/47035A BE 6047035 A BE6047035 A BE 6047035A BE 880560 A BE880560 A BE 880560A
Authority
BE
Belgium
Prior art keywords
control method
control
Prior art date
Application number
BE6/47035A
Other languages
English (en)
Inventor
P Whitehead
Original Assignee
Johnson Matthey Co Ltd
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 Johnson Matthey Co Ltd filed Critical Johnson Matthey Co Ltd
Publication of BE880560A publication Critical patent/BE880560A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
    • C01B21/24—Nitric oxide (NO)
    • C01B21/26—Preparation by catalytic or non-catalytic oxidation of ammonia
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/33—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using ultraviolet light
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/005—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods investigating the presence of an element by oxidation
    • 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
    • Y10T436/17—Nitrogen containing
    • Y10T436/173845—Amine and quaternary ammonium
    • Y10T436/175383—Ammonia
    • 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
    • Y10T436/17—Nitrogen containing
    • Y10T436/177692—Oxides of nitrogen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Organic Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Molecular Biology (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
BE6/47035A 1978-12-15 1979-12-11 Procede et appareil de controle BE880560A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7848663 1978-12-15

Publications (1)

Publication Number Publication Date
BE880560A true BE880560A (fr) 1980-06-11

Family

ID=10501750

Family Applications (1)

Application Number Title Priority Date Filing Date
BE6/47035A BE880560A (fr) 1978-12-15 1979-12-11 Procede et appareil de controle

Country Status (15)

Country Link
US (1) US4296086A (fr)
JP (1) JPS5593059A (fr)
BE (1) BE880560A (fr)
BR (1) BR7908182A (fr)
CA (1) CA1134645A (fr)
DE (1) DE2950261A1 (fr)
DK (1) DK532779A (fr)
ES (1) ES8102054A1 (fr)
FI (1) FI793926A (fr)
FR (1) FR2444271A1 (fr)
IT (1) IT7969416A0 (fr)
NL (1) NL7908928A (fr)
NO (1) NO794026L (fr)
SE (1) SE7910275L (fr)
ZA (1) ZA796569B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL66094A0 (en) * 1982-06-22 1982-09-30 Yeda Res & Dev Synthesis with multipolymer systems
US4668909A (en) * 1984-05-04 1987-05-26 The United States Of America As Represented By The Secretary Of The Air Force Piezoelectric material testing method and apparatus
SE8800321D0 (sv) * 1987-08-20 1988-02-02 Scandinavian Emission Tech Metallurgisk styrmetod
DE3914185A1 (de) * 1989-04-28 1990-10-31 Ciba Geigy Ag Verfahren zur steuerung und optimierung industrieller prozesse
GB9215741D0 (en) * 1992-07-24 1992-09-09 British Tech Group Method and apparatus for the measurement of pollutants in liquids
US5426053A (en) * 1993-09-21 1995-06-20 Exxon Research And Engineering Company Optimization of acid strength and total organic carbon in acid processes (C-2644)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2974227A (en) * 1958-05-07 1961-03-07 Phillips Petroleum Co Analyzer
US3067014A (en) * 1958-12-01 1962-12-04 Phillips Petroleum Co Control system for nitric acid plant
US3081153A (en) * 1959-03-13 1963-03-12 Phillips Petroleum Co Automatic optimum air addition to nitric oxide absorption in nitric acid production
US3718429A (en) * 1971-03-15 1973-02-27 Du Pont No-no2 analyzer
US3730686A (en) * 1971-06-29 1973-05-01 Ford Motor Co Quantitative measurement of selected nitrogen compounds in gaseous mixtures
US3808327A (en) * 1972-02-03 1974-04-30 E Roberts Method for converting nitric oxide to nitrogen dioxide and recovery thereof
JPS5610582B2 (fr) * 1972-02-04 1981-03-09
US4042333A (en) * 1974-03-06 1977-08-16 E. I. Du Pont De Nemours And Company Apparatus and method for gas analysis
US3970430A (en) * 1974-10-17 1976-07-20 E. I. Du Pont De Nemours And Company Method and apparatus for nox analysis
JPS53100293A (en) * 1977-02-14 1978-09-01 Mitsubishi Electric Corp Gas densitometer

Also Published As

Publication number Publication date
NO794026L (no) 1980-06-17
JPS5593059A (en) 1980-07-15
SE7910275L (sv) 1980-06-16
ZA796569B (en) 1981-09-30
DK532779A (da) 1980-06-16
IT7969416A0 (it) 1979-12-17
FR2444271B1 (fr) 1985-02-22
ES486879A0 (es) 1980-12-16
FI793926A (fi) 1980-06-16
US4296086A (en) 1981-10-20
ES8102054A1 (es) 1980-12-16
BR7908182A (pt) 1980-08-26
DE2950261A1 (de) 1980-06-26
FR2444271A1 (fr) 1980-07-11
CA1134645A (fr) 1982-11-02
NL7908928A (nl) 1980-06-17

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: JOHNSON MATTHEY & CO. LTD

Effective date: 19841211