ES2154601A1 - Procedimiento para la obtencion de fluoruro sodico. - Google Patents

Procedimiento para la obtencion de fluoruro sodico.

Info

Publication number
ES2154601A1
ES2154601A1 ES009901713A ES9901713A ES2154601A1 ES 2154601 A1 ES2154601 A1 ES 2154601A1 ES 009901713 A ES009901713 A ES 009901713A ES 9901713 A ES9901713 A ES 9901713A ES 2154601 A1 ES2154601 A1 ES 2154601A1
Authority
ES
Spain
Prior art keywords
weight
preparation
sodium fluoride
strength
hydrofluoric acid
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.)
Granted
Application number
ES009901713A
Other languages
English (en)
Other versions
ES2154601B1 (es
Inventor
Gunter Lailach
Andreas Bulan
Gunter Buss
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.)
Bayer AG
Original Assignee
Bayer 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 Bayer AG filed Critical Bayer AG
Publication of ES2154601A1 publication Critical patent/ES2154601A1/es
Application granted granted Critical
Publication of ES2154601B1 publication Critical patent/ES2154601B1/es
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D3/00—Halides of sodium, potassium or alkali metals in general
    • C01D3/02—Fluorides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Detergent Compositions (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

Procedimiento para la obtención de fluoruro sódico a partir de lejía de hidróxido sódico y de fluoruro de hidrógeno o de ácido fluorhídrico, caracterizado porque se introducen separadamente lejía de hidróxido sódico con una concentración <45% en peso, preferentemente de 20 hasta 40% en peso y fluoruro de hidrógeno o ácido fluorhídrico en una solución saturada con NaF, en la que se ha suspendido de un 4 hasta un 50% en peso, preferentemente de un 5 hasta un 30% en peso, de NaF sólido y cuya temperatura se encuentra en el intervalo de 20 hasta 80ºC, preferentemente de 30 hasta 60C.
ES009901713A 1998-08-01 1999-07-29 Procedimiento para la obtencion de fluoruro sodico. Expired - Fee Related ES2154601B1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19834833A DE19834833A1 (de) 1998-08-01 1998-08-01 Verfahren zur Herstellung von Natriumfluorid

Publications (2)

Publication Number Publication Date
ES2154601A1 true ES2154601A1 (es) 2001-04-01
ES2154601B1 ES2154601B1 (es) 2001-08-16

Family

ID=7876179

Family Applications (1)

Application Number Title Priority Date Filing Date
ES009901713A Expired - Fee Related ES2154601B1 (es) 1998-08-01 1999-07-29 Procedimiento para la obtencion de fluoruro sodico.

Country Status (5)

Country Link
US (1) US6251358B1 (es)
JP (1) JP2000053416A (es)
BE (1) BE1013065A4 (es)
DE (1) DE19834833A1 (es)
ES (1) ES2154601B1 (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2219124C2 (ru) * 2001-10-04 2003-12-20 Федеральное государственное унитарное предприятие "Сибирский химический комбинат" Способ получения фторидов натрия
CN111036065B (zh) * 2019-12-30 2022-05-20 天津市长芦化工新材料有限公司 去除氟化氢的装置及其使用方法
CN112320820A (zh) * 2020-10-27 2021-02-05 贵州省化工研究院 一种利用磷酸中氟硅酸生产高纯氟化钠的方法
CN115744934B (zh) * 2022-11-29 2024-03-22 福建省龙德新能源有限公司 一种纯化工业级纯碱生产电子级氟化钠的制备方法
CN116161679A (zh) * 2023-01-10 2023-05-26 云南氟磷电子科技有限公司 一种连续合成氟化钠的方法
CN117623344B (zh) * 2023-10-13 2026-02-17 山东立中新能源材料有限公司 一种氢氧化钠制备钠电池用六氟磷酸钠的方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB575270A (en) * 1944-03-03 1946-02-11 George Henry Francis Walker Production of free-flowing sodium fluoride
US3660019A (en) * 1969-02-01 1972-05-02 Universal Oil Prod Co Process for purifying industrial waste gases containing fluorine values
SU767019A1 (ru) * 1978-03-31 1980-09-30 Предприятие П/Я В-8469 Способ получени фтористого натри
JPH08318122A (ja) * 1995-05-25 1996-12-03 Hitachi Ltd フロン分解排ガスの処理方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE220587C (es)
US5531975A (en) * 1990-12-31 1996-07-02 Phosphate Engineering And Construction Co., Inc. Process for the production of phosphoric acid and calcium fluoride
US5470559A (en) * 1993-02-26 1995-11-28 Alcan International Limited Recycling of spent pot linings

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB575270A (en) * 1944-03-03 1946-02-11 George Henry Francis Walker Production of free-flowing sodium fluoride
US3660019A (en) * 1969-02-01 1972-05-02 Universal Oil Prod Co Process for purifying industrial waste gases containing fluorine values
SU767019A1 (ru) * 1978-03-31 1980-09-30 Предприятие П/Я В-8469 Способ получени фтористого натри
JPH08318122A (ja) * 1995-05-25 1996-12-03 Hitachi Ltd フロン分解排ガスの処理方法

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
BASE DE DATOS HCAPLUS en STN, Chemical Abstract Service, Columbus, USA, AN 1981: 68106 & SU 767019 A1 (KRAVTSOV, S.L.) 30.09.1980 *
BASE DE DATOS HCAPLUS en STN, Chemical Abstract Service, Columbus, USA, AN 1997: 110560 & JP 8318122 A (HITACHI LTD) 03.12.1996 *

Also Published As

Publication number Publication date
US6251358B1 (en) 2001-06-26
DE19834833A1 (de) 2000-02-03
JP2000053416A (ja) 2000-02-22
BE1013065A4 (fr) 2001-08-07
ES2154601B1 (es) 2001-08-16

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