GB1556837A - Process for recovering hydrogen fluoride from gas mixtures - Google Patents

Process for recovering hydrogen fluoride from gas mixtures

Info

Publication number
GB1556837A
GB1556837A GB4683877A GB4683877A GB1556837A GB 1556837 A GB1556837 A GB 1556837A GB 4683877 A GB4683877 A GB 4683877A GB 4683877 A GB4683877 A GB 4683877A GB 1556837 A GB1556837 A GB 1556837A
Authority
GB
United Kingdom
Prior art keywords
hydrogen fluoride
gas mixtures
recovering hydrogen
recovering
mixtures
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.)
Expired
Application number
GB4683877A
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.)
Honeywell Riedel de Haen AG
Original Assignee
Riedel de Haen 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 Riedel de Haen AG filed Critical Riedel de Haen AG
Publication of GB1556837A publication Critical patent/GB1556837A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B01D53/1493—Selection of liquid materials for use as absorbents
    • 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)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)
  • Treating Waste Gases (AREA)
GB4683877A 1976-11-12 1977-11-10 Process for recovering hydrogen fluoride from gas mixtures Expired GB1556837A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762651630 DE2651630A1 (en) 1976-11-12 1976-11-12 PROCESS FOR THE SEPARATION OF HYDROFLUOR FROM MIXTURES WITH ACID GASES

Publications (1)

Publication Number Publication Date
GB1556837A true GB1556837A (en) 1979-11-28

Family

ID=5993002

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4683877A Expired GB1556837A (en) 1976-11-12 1977-11-10 Process for recovering hydrogen fluoride from gas mixtures

Country Status (4)

Country Link
DE (1) DE2651630A1 (en)
FR (1) FR2370685A1 (en)
GB (1) GB1556837A (en)
NL (1) NL7712244A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114345106A (en) * 2021-12-30 2022-04-15 湖北瓮福蓝天化工有限公司 Method and system for removing chlorine element in anhydrous hydrogen fluoride production process

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2902780B1 (en) * 2006-06-21 2008-09-05 Arkema France PROCESS FOR RECOVERING FLUORHYDRIC ACID
FR2981060B1 (en) * 2011-10-06 2014-10-17 Arkema France PROCESS FOR THE VALORISATION OF THE EFFLUENTS OF CHLOROFLUORHYDRIC ACID
CN112897466A (en) * 2020-10-27 2021-06-04 贵州省化工研究院 Method for producing anhydrous hydrogen fluoride by using fluosilicic acid in phosphoric acid

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR741966A (en) * 1931-09-02 1933-02-23
FR1150956A (en) * 1956-05-23 1958-01-22 Pechiney Concentration and purification of hydrofluoric acid
FR1342891A (en) * 1961-10-02 1963-11-15 Stauffer Chemical Co Process for extracting hydrofluoric acid from a dilute aqueous solution
US3218127A (en) * 1962-09-10 1965-11-16 Tennessee Corp Process of producing hydrogen fluoride in a two-stage procedure and effecting a rapid evolution of the hydrogen fluoride by sweeping the second stage with an inert gas
NL7700926A (en) * 1976-02-04 1977-08-08 Riedel De Haen Ag PROCEDURE FOR THE WINNING OF HYDROGEN FLUORIDE.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114345106A (en) * 2021-12-30 2022-04-15 湖北瓮福蓝天化工有限公司 Method and system for removing chlorine element in anhydrous hydrogen fluoride production process
CN114345106B (en) * 2021-12-30 2023-12-12 湖北瓮福蓝天化工有限公司 Method and system for removing chlorine element in anhydrous hydrogen fluoride production process

Also Published As

Publication number Publication date
NL7712244A (en) 1978-05-17
DE2651630A1 (en) 1978-05-24
FR2370685A1 (en) 1978-06-09

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee