GB2159136B - Process for the manufacture of hydrofluoric acid by reaction of sulphuric acid with fluorospar in a rotating oven - Google Patents

Process for the manufacture of hydrofluoric acid by reaction of sulphuric acid with fluorospar in a rotating oven

Info

Publication number: GB2159136B
Authority: GB; United Kingdom
Prior art keywords: fluorospar; manufacture; reaction; acid; rotating oven
Prior art date: 1984-05-18
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

GB08511935A

Other versions

GB8511935D0 (en

GB2159136A (en

Inventor

Pierre Laroche

Pascal Thiery

Yvan Verot

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.)

Arkema France SA

Original Assignee

Atochem SA

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.)

1984-05-18

Filing date

1985-05-10

Publication date

1988-03-02

1985-05-10 Application filed by Atochem SA filed Critical Atochem SA

1985-06-19 Publication of GB8511935D0 publication Critical patent/GB8511935D0/en

1985-11-27 Publication of GB2159136A publication Critical patent/GB2159136A/en

1988-03-02 Application granted granted Critical

1988-03-02 Publication of GB2159136B publication Critical patent/GB2159136B/en

Status 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
- C01B7/00—Halogens; Halogen acids
- C01B7/19—Fluorine; Hydrogen fluoride
- 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
- C01B7/192—Preparation from fluorspar

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Inorganic Chemistry (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Physical Or Chemical Processes And Apparatus (AREA)
Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Silicon Compounds (AREA)

GB08511935A 1984-05-18 1985-05-10 Process for the manufacture of hydrofluoric acid by reaction of sulphuric acid with fluorospar in a rotating oven Expired GB2159136B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR8407719A FR2564449B1 (en)	1984-05-18	1984-05-18	PROCESS FOR PRODUCING FLUORHYDRIC ACID BY REACTION OF SULFURIC ACID ON SPATH FLUOR IN A ROTATING OVEN

Publications (3)

Publication Number	Publication Date
GB8511935D0 GB8511935D0 (en)	1985-06-19
GB2159136A GB2159136A (en)	1985-11-27
GB2159136B true GB2159136B (en)	1988-03-02

Family

ID=9304120

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB08511935A Expired GB2159136B (en)	1984-05-18	1985-05-10	Process for the manufacture of hydrofluoric acid by reaction of sulphuric acid with fluorospar in a rotating oven

Country Status (18)

Country	Link
EP (1)	EP0163565B1 (en)
JP (1)	JPS6110004A (en)
KR (1)	KR890003670B1 (en)
AT (1)	ATA148885A (en)
AU (1)	AU578285B2 (en)
BR (1)	BR8502327A (en)
CA (1)	CA1307093C (en)
DE (1)	DE3560446D1 (en)
EG (1)	EG17428A (en)
ES (1)	ES543251A0 (en)
FR (1)	FR2564449B1 (en)
GB (1)	GB2159136B (en)
IL (1)	IL75016A (en)
IN (1)	IN164746B (en)
IT (1)	IT1187822B (en)
MA (1)	MA20432A1 (en)
MX (1)	MX163416B (en)
ZA (1)	ZA853260B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6440224B1 (en) *	1999-03-15	2002-08-27	Ecolab Inc.	Hydrofluoric acid generating composition and method of treating surfaces
JP4599673B2 (en)	2000-07-10	2010-12-15	ダイキン工業株式会社	Hydrogen fluoride production apparatus and production method
JP2010517904A (en) *	2007-02-02	2010-05-27	ゾルファイフルーオルゲゼルシャフトミットベシュレンクテルハフツング	Preparation of hydrogen fluoride from calcium fluoride and sulfuric acid
JP5428594B2 (en)	2009-07-06	2014-02-26	ダイキン工業株式会社	Method for producing hydrogen fluoride
JP2016028003A (en) *	2014-07-11	2016-02-25	ダイキン工業株式会社	Method for production of hydrogen fluoride

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1050374A (en) *
GB554127A (en) *	1941-11-18	1943-06-22	Wilhelm Siegel	Improvements in and relating to the production of hydrofluoric acid and other gaseous fluorine compounds from fluorspar
CH319931A (en) *	1953-06-29	1957-03-15	Buss Ag	Process for the continuous production of hydrofluoric acid
FR1356982A (en) *	1963-01-30	1964-04-03	Electro Chimie Soc D	Improvements in processes for obtaining hydrofluoric acid
US3404953A (en) *	1964-06-02	1968-10-08	Ici Ltd	Manufacture of hydrogen fluoride
FR1436984A (en) *	1965-06-02	1966-04-29	Ici Ltd	Improvements in the manufacture of hydrofluoric acid
GB1304781A (en) *	1969-11-11	1973-01-31
DE2435512A1 (en) *	1974-07-24	1976-02-05	Bayer Ag	PROCESS FOR THE PRODUCTION OF HYDROFUEL AND CALCIUM SULFATE
US4491571A (en) *	1982-06-11	1985-01-01	Asahi Glass Company Ltd.	Process for producing hydrogen fluoride

1984
- 1984-05-18 FR FR8407719A patent/FR2564449B1/en not_active Expired
1985
- 1985-04-24 IL IL75016A patent/IL75016A/en not_active IP Right Cessation
- 1985-05-01 ZA ZA853260A patent/ZA853260B/en unknown
- 1985-05-07 EP EP85400886A patent/EP0163565B1/en not_active Expired
- 1985-05-07 DE DE8585400886T patent/DE3560446D1/en not_active Expired
- 1985-05-07 IN IN348/MAS/85A patent/IN164746B/en unknown
- 1985-05-09 MA MA20656A patent/MA20432A1/en unknown
- 1985-05-10 GB GB08511935A patent/GB2159136B/en not_active Expired
- 1985-05-10 KR KR1019850003194A patent/KR890003670B1/en not_active IP Right Cessation
- 1985-05-15 EG EG300/85A patent/EG17428A/en active
- 1985-05-15 CA CA000481568A patent/CA1307093C/en not_active Expired - Lifetime
- 1985-05-15 JP JP60103640A patent/JPS6110004A/en active Granted
- 1985-05-16 MX MX205317A patent/MX163416B/en unknown
- 1985-05-16 AU AU42539/85A patent/AU578285B2/en not_active Ceased
- 1985-05-16 IT IT67448/85A patent/IT1187822B/en active
- 1985-05-16 BR BR8502327A patent/BR8502327A/en unknown
- 1985-05-17 AT AT0148885A patent/ATA148885A/en not_active IP Right Cessation
- 1985-05-17 ES ES543251A patent/ES543251A0/en active Granted

Also Published As

Publication number	Publication date
FR2564449A1 (en)	1985-11-22
DE3560446D1 (en)	1987-09-17
IL75016A (en)	1988-10-31
CA1307093C (en)	1992-09-08
JPH0440282B2 (en)	1992-07-02
AU4253985A (en)	1985-11-21
EP0163565A1 (en)	1985-12-04
IT1187822B (en)	1987-12-23
FR2564449B1 (en)	1988-06-03
MA20432A1 (en)	1985-12-31
JPS6110004A (en)	1986-01-17
ATA148885A (en)	1996-01-15
GB8511935D0 (en)	1985-06-19
KR890003670B1 (en)	1989-09-30
AU578285B2 (en)	1988-10-20
IL75016A0 (en)	1985-08-30
BR8502327A (en)	1986-01-21
GB2159136A (en)	1985-11-27
ES8603788A1 (en)	1986-01-01
EG17428A (en)	1991-08-30
MX163416B (en)	1992-05-11
ZA853260B (en)	1985-12-24
EP0163565B1 (en)	1987-08-12
IN164746B (en)	1989-05-20
IT8567448A0 (en)	1985-05-16
ES543251A0 (en)	1986-01-01
KR850008145A (en)	1985-12-13

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Legal Events

Date	Code	Title	Description
1997-01-08	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19960510