FR2326378A1 - PROCESS FOR THE PREPARATION OF HIGH PURITY HYDROFLUORIC ACID - Google Patents

PROCESS FOR THE PREPARATION OF HIGH PURITY HYDROFLUORIC ACID

Info

Publication number
FR2326378A1
FR2326378A1 FR7629649A FR7629649A FR2326378A1 FR 2326378 A1 FR2326378 A1 FR 2326378A1 FR 7629649 A FR7629649 A FR 7629649A FR 7629649 A FR7629649 A FR 7629649A FR 2326378 A1 FR2326378 A1 FR 2326378A1
Authority
FR
France
Prior art keywords
preparation
high purity
hydrofluoric acid
purity 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
FR7629649A
Other languages
French (fr)
Other versions
FR2326378B1 (en
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 FR2326378A1 publication Critical patent/FR2326378A1/en
Application granted granted Critical
Publication of FR2326378B1 publication Critical patent/FR2326378B1/fr
Granted 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
    • 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)
FR7629649A 1975-10-02 1976-10-01 PROCESS FOR THE PREPARATION OF HIGH PURITY HYDROFLUORIC ACID Granted FR2326378A1 (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 (2)

Publication Number Publication Date
FR2326378A1 true FR2326378A1 (en) 1977-04-29
FR2326378B1 FR2326378B1 (en) 1980-05-30

Family

ID=5958042

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7629649A Granted FR2326378A1 (en) 1975-10-02 1976-10-01 PROCESS FOR THE PREPARATION OF HIGH PURITY 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

Citations (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
GB1414748A (en) 1972-03-02 1975-11-19 Bayer Ag Recovery of hydrogen fluoride

Patent Citations (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
GB1414748A (en) 1972-03-02 1975-11-19 Bayer Ag Recovery of hydrogen fluoride

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
BR7606566A (en) 1977-05-31
FR2326378B1 (en) 1980-05-30
ZA765894B (en) 1977-09-28
ES452056A1 (en) 1977-10-01
CS196325B2 (en) 1980-03-31
DE2543965B2 (en) 1980-10-16
IT1066315B (en) 1985-03-04
GB1567778A (en) 1980-05-21
DE2543965A1 (en) 1977-04-07
BE846827A (en) 1977-04-01
NL7610844A (en) 1977-04-05
DE2543965C3 (en) 1981-07-09

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Legal Events

Date Code Title Description
ST Notification of lapse