BE846827A - PROCESS FOR PREPARING HIGH PURE HYDROFLUORIC ACID, - Google Patents

PROCESS FOR PREPARING HIGH PURE HYDROFLUORIC ACID,

Info

Publication number: BE846827A
Authority: BE; Belgium
Prior art keywords: hydrofluoric acid; preparing high; high pure; pure hydrofluoric; preparing
Prior art date: 1975-10-02

Application number

BE2055345A

Other languages

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.)

1975-10-02

Filing date

1976-10-01

Publication date

1977-04-01

1976-10-01 Application filed filed Critical

1977-04-01 Publication of BE846827A publication Critical patent/BE846827A/en

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
- C01B7/191—Hydrogen fluoride
- C01B7/195—Separation; Purification
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1456—Removing acid components
- 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)
Analytical Chemistry (AREA)
General Chemical & Material Sciences (AREA)
Oil, Petroleum & Natural Gas (AREA)
Chemical Kinetics & Catalysis (AREA)
Treating Waste Gases (AREA)

BE2055345A 1975-10-02 1976-10-01 PROCESS FOR PREPARING HIGH PURE HYDROFLUORIC ACID, BE846827A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2543965A DE2543965C3 (en)	1975-10-02	1975-10-02	Process for the purification of reaction gases in hydrofluoric acid production

Publications (1)

Publication Number	Publication Date
BE846827A true BE846827A (en)	1977-04-01

Family

ID=5958042

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE2055345A BE846827A (en)	1975-10-02	1976-10-01	PROCESS FOR PREPARING HIGH PURE HYDROFLUORIC ACID,

Country Status (10)

Country	Link
BE (1)	BE846827A (en)
BR (1)	BR7606566A (en)
CS (1)	CS196325B2 (en)
DE (1)	DE2543965C3 (en)
ES (1)	ES452056A1 (en)
FR (1)	FR2326378A1 (en)
GB (1)	GB1567778A (en)
IT (1)	IT1066315B (en)
NL (1)	NL7610844A (en)
ZA (1)	ZA765894B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5032371A (en) *	1989-02-27	1991-07-16	Mallinckrodt Specialty Chemicals Co.	Process for the continuous recovery of hydrogen fluoride gas
CN112010263B (en) *	2020-08-31	2022-08-02	北京化工大学	Production device and production method of electronic-grade hydrofluoric acid

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3725536A (en)	1968-02-26	1973-04-03	R Gentili	Method of the continuous production of hydrofluoric acid
DE2209960C3 (en)	1972-03-02	1979-10-11	Bayer Ag, 5090 Leverkusen	Process for the processing of raw gases containing hydrogen fluoride from hydrofluoric acid production

1975
- 1975-10-02 DE DE2543965A patent/DE2543965C3/en not_active Expired
1976
- 1976-09-29 IT IT51482/76A patent/IT1066315B/en active
- 1976-09-30 CS CS766332A patent/CS196325B2/en unknown
- 1976-09-30 NL NL7610844A patent/NL7610844A/en not_active Application Discontinuation
- 1976-10-01 GB GB40799/76A patent/GB1567778A/en not_active Expired
- 1976-10-01 ES ES452056A patent/ES452056A1/en not_active Expired
- 1976-10-01 BR BR7606566A patent/BR7606566A/en unknown
- 1976-10-01 FR FR7629649A patent/FR2326378A1/en active Granted
- 1976-10-01 ZA ZA765894A patent/ZA765894B/en unknown
- 1976-10-01 BE BE2055345A patent/BE846827A/en unknown

Also Published As

Publication number	Publication date
CS196325B2 (en)	1980-03-31
DE2543965B2 (en)	1980-10-16
IT1066315B (en)	1985-03-04
GB1567778A (en)	1980-05-21
NL7610844A (en)	1977-04-05
BR7606566A (en)	1977-05-31
ES452056A1 (en)	1977-10-01
FR2326378B1 (en)	1980-05-30
DE2543965C3 (en)	1981-07-09
ZA765894B (en)	1977-09-28
DE2543965A1 (en)	1977-04-07
FR2326378A1 (en)	1977-04-29

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