AT241422B - Monitoring and control processes in the production of phosphoric acid by wet means and device for carrying out the process - Google Patents

Monitoring and control processes in the production of phosphoric acid by wet means and device for carrying out the process

Info

Publication number
AT241422B
AT241422B AT324363A AT324363A AT241422B AT 241422 B AT241422 B AT 241422B AT 324363 A AT324363 A AT 324363A AT 324363 A AT324363 A AT 324363A AT 241422 B AT241422 B AT 241422B
Authority
AT
Austria
Prior art keywords
monitoring
carrying
production
phosphoric acid
control processes
Prior art date
Application number
AT324363A
Other languages
German (de)
Original Assignee
Companhia Uniao Fabril S A R L
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 Companhia Uniao Fabril S A R L filed Critical Companhia Uniao Fabril S A R L
Application granted granted Critical
Publication of AT241422B publication Critical patent/AT241422B/en

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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/06—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
AT324363A 1962-04-23 1963-04-22 Monitoring and control processes in the production of phosphoric acid by wet means and device for carrying out the process AT241422B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PT3951062 1962-04-23

Publications (1)

Publication Number Publication Date
AT241422B true AT241422B (en) 1965-07-26

Family

ID=20081607

Family Applications (1)

Application Number Title Priority Date Filing Date
AT324363A AT241422B (en) 1962-04-23 1963-04-22 Monitoring and control processes in the production of phosphoric acid by wet means and device for carrying out the process

Country Status (6)

Country Link
AT (1) AT241422B (en)
CH (1) CH399012A (en)
DE (1) DE1498636A1 (en)
ES (1) ES287251A1 (en)
GB (1) GB1036913A (en)
SE (1) SE311635B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007012443A1 (en) * 2007-03-15 2008-09-18 Lindauer Dornier Gesellschaft Mit Beschränkter Haftung Device for controlling the density of a liquid mixture and use of the device

Also Published As

Publication number Publication date
SE311635B (en) 1969-06-23
DE1498636A1 (en) 1968-11-28
GB1036913A (en) 1966-07-20
CH399012A (en) 1966-03-15
ES287251A1 (en) 1963-12-01

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