CH449595A - Method and device for the production of polyphosphoric acid - Google Patents

Method and device for the production of polyphosphoric acid

Info

Publication number
CH449595A
CH449595A CH840062A CH840062A CH449595A CH 449595 A CH449595 A CH 449595A CH 840062 A CH840062 A CH 840062A CH 840062 A CH840062 A CH 840062A CH 449595 A CH449595 A CH 449595A
Authority
CH
Switzerland
Prior art keywords
production
polyphosphoric acid
polyphosphoric
acid
Prior art date
Application number
CH840062A
Other languages
German (de)
Inventor
Beltz Klaus Dr Dipl-Chem
Cremer Joseph Dr Dipl-Chem
Mueller-Schiedmayer Dipl-Chem
Thomas Friedrich
Original Assignee
Knapsack Ag
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 Knapsack Ag filed Critical Knapsack Ag
Publication of CH449595A publication Critical patent/CH449595A/en

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
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S159/00—Concentrating evaporators
    • Y10S159/19—Acid
CH840062A 1961-08-05 1962-07-12 Method and device for the production of polyphosphoric acid CH449595A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK44440A DE1159403B (en) 1961-08-05 1961-08-05 Process and device for the production of polyphosphoric acid

Publications (1)

Publication Number Publication Date
CH449595A true CH449595A (en) 1968-01-15

Family

ID=7223468

Family Applications (1)

Application Number Title Priority Date Filing Date
CH840062A CH449595A (en) 1961-08-05 1962-07-12 Method and device for the production of polyphosphoric acid

Country Status (4)

Country Link
US (1) US3387929A (en)
CH (1) CH449595A (en)
DE (1) DE1159403B (en)
GB (1) GB965728A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1159403B (en) * 1961-08-05 1963-12-19 Knapsack Ag Process and device for the production of polyphosphoric acid
FR2219910B1 (en) * 1973-03-02 1978-09-29 Speichim Equip Ind Chimiq
FR2338470A1 (en) * 1976-01-15 1977-08-12 Lab PROCESS AND INSTALLATION FOR DRYING AND TRANSFORMATION OF SUSPENSION MATERIALS IN LIQUIDS
CN107226460A (en) * 2016-03-25 2017-10-03 云南派博科技有限公司 The method that peroxophosphoric acid is produced using phosphorus calory burning concentration of dilute phosphoric acid

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1898541A (en) * 1929-06-17 1933-02-21 G D Jenssen Company Means for producing acid liquor
US2026519A (en) * 1935-05-15 1936-01-07 Tennessee Valley Authority Apparatus for making phosphoric acid
US2303318A (en) * 1940-09-03 1942-12-01 William H Baskervill Separating hydrated phosphorus pentoxide
DE1041481B (en) * 1953-08-11 1958-10-23 Fmc Corp Process for the production of aqueous phosphoric acid
US2999010A (en) * 1957-03-25 1961-09-05 Tennessee Valley Authority Manufacture of superphosphoric acid
DE1111159B (en) * 1960-03-05 1961-07-20 Knapsack Ag Process and device for the production of polyphosphoric acid
US3015540A (en) * 1960-11-23 1962-01-02 Tennessce Valley Authority Manufacture of superphosphoric acid
DE1159403B (en) * 1961-08-05 1963-12-19 Knapsack Ag Process and device for the production of polyphosphoric acid

Also Published As

Publication number Publication date
GB965728A (en) 1964-08-06
US3387929A (en) 1968-06-11
DE1159403B (en) 1963-12-19

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