BE810850A - Procede de production de bifluorure d'ammonium a partir d'acidephosphorique contenant des fluorures - Google Patents

Procede de production de bifluorure d'ammonium a partir d'acidephosphorique contenant des fluorures

Info

Publication number
BE810850A
BE810850A BE140757A BE140757A BE810850A BE 810850 A BE810850 A BE 810850A BE 140757 A BE140757 A BE 140757A BE 140757 A BE140757 A BE 140757A BE 810850 A BE810850 A BE 810850A
Authority
BE
Belgium
Prior art keywords
production
phosphoric acid
acid containing
ammonium bifluoride
containing fluorides
Prior art date
Application number
BE140757A
Other languages
English (en)
French (fr)
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
Priority claimed from US359765A external-priority patent/US3907973A/en
Application filed filed Critical
Publication of BE810850A publication Critical patent/BE810850A/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00Silicon; Compounds thereof
    • C01B33/08Compounds containing halogen
    • C01B33/10Compounds containing silicon, fluorine, and other elements
    • C01B33/103Fluosilicic acid; Salts thereof
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23KFODDER
    • A23K20/00Accessory food factors for animal feeding-stuffs
    • A23K20/20Inorganic substances, e.g. oligoelements
    • A23K20/26Compounds containing phosphorus
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/18Phosphoric acid
    • C01B25/234Purification; Stabilisation; Concentration
    • C01B25/2343Concentration concomitant with purification, e.g. elimination of fluorine
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00Silicon; Compounds thereof
    • C01B33/113Silicon oxides; Hydrates thereof
    • C01B33/12Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/18Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
    • C01B33/186Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof from or via fluosilicic acid or salts thereof by a wet process
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01CAMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00Ammonia; Compounds thereof
    • C01C1/16Halides of ammonium
    • C01C1/162Ammonium fluoride
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/80Compositional purity

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Animal Husbandry (AREA)
  • Zoology (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Removal Of Specific Substances (AREA)
  • Silicon Compounds (AREA)
  • Treating Waste Gases (AREA)
BE140757A 1973-05-14 1974-02-11 Procede de production de bifluorure d'ammonium a partir d'acidephosphorique contenant des fluorures BE810850A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US359765A US3907973A (en) 1972-03-06 1973-05-14 Process for defluorinating phosphoric acids and production of ammonium fluosilicate and fluosilicic acid

Publications (1)

Publication Number Publication Date
BE810850A true BE810850A (fr) 1974-08-12

Family

ID=23415182

Family Applications (1)

Application Number Title Priority Date Filing Date
BE140757A BE810850A (fr) 1973-05-14 1974-02-11 Procede de production de bifluorure d'ammonium a partir d'acidephosphorique contenant des fluorures

Country Status (9)

Country Link
JP (1) JPS503100A (de)
BE (1) BE810850A (de)
CA (1) CA1018734A (de)
DE (1) DE2412167B2 (de)
ES (1) ES423260A1 (de)
FR (1) FR2229646B1 (de)
GB (1) GB1458128A (de)
NL (1) NL7403208A (de)
ZA (1) ZA743069B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115676851A (zh) * 2022-11-23 2023-02-03 贵州省化工研究院 一种固体氟化铵制备氟化氢铵方法及装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115504441B (zh) * 2022-09-14 2023-11-17 云南磷化集团有限公司 一种高效回收精制磷酸氟资源的装置及其方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115676851A (zh) * 2022-11-23 2023-02-03 贵州省化工研究院 一种固体氟化铵制备氟化氢铵方法及装置
CN115676851B (zh) * 2022-11-23 2024-05-21 贵州省化工研究院 一种固体氟化铵制备氟化氢铵方法及装置

Also Published As

Publication number Publication date
JPS503100A (de) 1975-01-13
GB1458128A (en) 1976-12-08
ES423260A1 (es) 1976-12-01
DE2412167B2 (de) 1978-06-15
FR2229646B1 (de) 1977-09-16
NL7403208A (de) 1974-11-18
DE2412167A1 (de) 1975-02-13
FR2229646A1 (de) 1974-12-13
CA1018734A (en) 1977-10-11
ZA743069B (en) 1975-05-28

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