GB1036913A - Device for the measurement and automatic control of the acid content in the manufacture of wet process phosphoric acid - Google Patents

Device for the measurement and automatic control of the acid content in the manufacture of wet process phosphoric acid

Info

Publication number
GB1036913A
GB1036913A GB1592663A GB1592663A GB1036913A GB 1036913 A GB1036913 A GB 1036913A GB 1592663 A GB1592663 A GB 1592663A GB 1592663 A GB1592663 A GB 1592663A GB 1036913 A GB1036913 A GB 1036913A
Authority
GB
United Kingdom
Prior art keywords
manufacture
measurement
automatic control
wet process
process phosphoric
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
GB1592663A
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.)
Companhia Uniao Fabril SARL
Original Assignee
Companhia Uniao Fabril SARL
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 SARL filed Critical Companhia Uniao Fabril SARL
Publication of GB1036913A publication Critical patent/GB1036913A/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
    • 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

  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Automation & Control Theory (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
GB1592663A 1962-04-23 1963-04-23 Device for the measurement and automatic control of the acid content in the manufacture of wet process phosphoric acid Expired GB1036913A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1036913A true GB1036913A (en) 1966-07-20

Family

ID=20081607

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1592663A Expired GB1036913A (en) 1962-04-23 1963-04-23 Device for the measurement and automatic control of the acid content in the manufacture of wet process phosphoric acid

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
CH399012A (en) 1966-03-15
AT241422B (en) 1965-07-26
DE1498636A1 (en) 1968-11-28
ES287251A1 (en) 1963-12-01
SE311635B (en) 1969-06-23

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