CH410879A - Procédé d'extraction en continu de l'acide fluorhydrique de ses solutions aqueuses - Google Patents

Procédé d'extraction en continu de l'acide fluorhydrique de ses solutions aqueuses

Info

Publication number: CH410879A
Authority: CH; Switzerland
Prior art keywords: aqueous solutions; hydrofluoric acid; continuous extraction; extraction; continuous
Prior art date: 1962-12-17

Application number

CH1539763A

Other languages

English (en)

Inventor

Claus Jacques

Original Assignee

Pechiney Saint Gobain

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.)

1962-12-17

Filing date

1963-12-16

Publication date

1966-04-15

1963-12-16 Application filed by Pechiney Saint Gobain filed Critical Pechiney Saint Gobain

1966-04-15 Publication of CH410879A publication Critical patent/CH410879A/fr

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
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/19—Fluorine; Hydrogen fluoride
- C01B7/191—Hydrogen fluoride

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Inorganic Chemistry (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Extraction Or Liquid Replacement (AREA)

CH1539763A 1962-12-17 1963-12-16 Procédé d'extraction en continu de l'acide fluorhydrique de ses solutions aqueuses CH410879A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR918778A FR1350760A (fr)	1962-12-17	1962-12-17	Procédé d'extraction en continu de l'acide fluorhydrique anhydre de ses solutions aqueuses

Publications (1)

Publication Number	Publication Date
CH410879A true CH410879A (fr)	1966-04-15

Family

ID=8792975

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH1539763A CH410879A (fr)	1962-12-17	1963-12-16	Procédé d'extraction en continu de l'acide fluorhydrique de ses solutions aqueuses

Country Status (8)

Country	Link
US (1)	US3314755A (fr)
BE (1)	BE641383A (fr)
CH (1)	CH410879A (fr)
DE (1)	DE1467113B2 (fr)
FR (1)	FR1350760A (fr)
GB (1)	GB1023889A (fr)
LU (1)	LU45034A1 (fr)
NL (2)	NL144555B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4695290A (en) *	1983-07-26	1987-09-22	Integrated Carbons Corporation	Integrated coal cleaning process with mixed acid regeneration
US4882134A (en) *	1987-04-10	1989-11-21	Imc Fertilizer, Inc.	Recovery of hydrogen fluoride from an aqueous solution containing ammonium fluoride and hydrogen fluoride
US5336832A (en) *	1992-11-06	1994-08-09	Conoco Inc.	Recovery of HF from hydrocarbon streams
US5800795A (en) *	1993-03-12	1998-09-01	Imperial Chemical Industries Plc	Hydrogen fluoride recovery process
US5766483A (en) *	1996-05-10	1998-06-16	Alliedsignal Inc.	Process for hydrogen fluoride separation
RU2617398C1 (ru) *	2016-02-12	2017-04-24	Общество с ограниченной ответственностью "Химический завод фторсолей"	Способ переработки отработанного бифторида калия

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2400874A (en) *	1943-01-06	1946-05-28	Standard Oil Co	Recovery of catalysts
US2400875A (en) *	1943-01-06	1946-05-28	Standard Oil Co	Absorption and recovery of fluorides in amines of low basicity
US2388156A (en) *	1945-03-01	1945-10-30	Phillips Petroleum Co	Process for segregation of anhydrcus acid
US2588786A (en) *	1948-06-23	1952-03-11	Tennessee Corp	Process for producing essentially silicon-free hydrofluoric acid from hydrofluosilicic acid
DE1075567B (de) *	1957-09-12	1960-02-18	Nynäshamn Dr. techn. Gösta Lennart Flemmert (Schweden)	Verfahren zur Herstellung von Fluorwasserstoff
US3140152A (en) *	1962-06-29	1964-07-07	Hooker Chemical Corp	Process for preparing and recovering of substantially anhydrous hydrogen fluoride gas from a dry alkali metal bifluoride

0
- NL NL301863D patent/NL301863A/xx unknown
1962
- 1962-12-17 FR FR918778A patent/FR1350760A/fr not_active Expired
1963
- 1963-12-11 US US329697A patent/US3314755A/en not_active Expired - Lifetime
- 1963-12-16 LU LU45034D patent/LU45034A1/xx unknown
- 1963-12-16 GB GB49592/63A patent/GB1023889A/en not_active Expired
- 1963-12-16 CH CH1539763A patent/CH410879A/fr unknown
- 1963-12-16 NL NL63301863A patent/NL144555B/xx unknown
- 1963-12-17 BE BE641383D patent/BE641383A/xx unknown
- 1963-12-17 DE DE19631467113 patent/DE1467113B2/de not_active Withdrawn

Also Published As

Publication number	Publication date
FR1350760A (fr)	1964-01-31
NL144555B (nl)	1975-01-15
NL301863A (fr)
DE1467113A1 (de)	1970-07-16
DE1467113B2 (de)	1971-07-15
BE641383A (fr)	1964-06-16
LU45034A1 (fr)	1964-06-16
GB1023889A (en)	1966-03-30
US3314755A (en)	1967-04-18

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