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ES310937A1 - Concentration of phosphoric acids - Google Patents

Concentration of phosphoric acids

Info

Publication number
ES310937A1
ES310937A1 ES0310937A ES310937A ES310937A1 ES 310937 A1 ES310937 A1 ES 310937A1 ES 0310937 A ES0310937 A ES 0310937A ES 310937 A ES310937 A ES 310937A ES 310937 A1 ES310937 A1 ES 310937A1
Authority
ES
Spain
Prior art keywords
cyclic
acid
concentration
concentrating
metal complexes
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
ES0310937A
Other languages
Spanish (es)
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.)
Armour and Co
Original Assignee
Armour and 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 Armour and Co filed Critical Armour and Co
Publication of ES310937A1 publication Critical patent/ES310937A1/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/24—Condensed phosphoric acids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Abstract

A process for concentrating phosphoric acids containing impurities, characterized by the steps of heating orthophosphoric acids containing metallic impurities, for concentrating the acids and forming cyclic phosphoric acid, for reacting the cyclic acid with said metallic impurities to form cyclic metal complexes, and during said concentration operation, recover free polyphosphoric acid from the main portion of said metal complexes. (Machine-translation by Google Translate, not legally binding)
ES0310937A 1964-03-25 1965-03-24 Concentration of phosphoric acids Expired ES310937A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US354737A US3279526A (en) 1964-03-25 1964-03-25 Concentration of phosphoric acids

Publications (1)

Publication Number Publication Date
ES310937A1 true ES310937A1 (en) 1966-04-16

Family

ID=23394708

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0310937A Expired ES310937A1 (en) 1964-03-25 1965-03-24 Concentration of phosphoric acids

Country Status (2)

Country Link
US (1) US3279526A (en)
ES (1) ES310937A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3403974A (en) * 1964-03-25 1968-10-01 Armour Agricult Chem Method and apparatus for concentrating phosphoric acids containing impurities
US3356123A (en) * 1965-06-15 1967-12-05 Armour Agricult Chem Apparatus and method for concentrating phosphoric acid
US3488686A (en) * 1967-04-21 1970-01-06 Mississippi Chem Corp Concentration process

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2830882A (en) * 1956-12-28 1958-04-15 James C Rheuby Sulphuric acid concentrator drum
US3104947A (en) * 1959-08-25 1963-09-24 Collier Carbon & Chemical Co Submerged combustion concentration apparatus and process
NL274891A (en) * 1961-02-17
US3148948A (en) * 1961-12-26 1964-09-15 Dorr Oliver Inc Cooling and defoaming phosphoric acid slurries

Also Published As

Publication number Publication date
US3279526A (en) 1966-10-18

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