CA1052292A - Removal of hydrogen fluoride from gaseous mixture by absorption on alkaline earth metal fluoride - Google Patents

Removal of hydrogen fluoride from gaseous mixture by absorption on alkaline earth metal fluoride

Info

Publication number
CA1052292A
CA1052292A CA238,671A CA238671A CA1052292A CA 1052292 A CA1052292 A CA 1052292A CA 238671 A CA238671 A CA 238671A CA 1052292 A CA1052292 A CA 1052292A
Authority
CA
Canada
Prior art keywords
earth metal
alkaline earth
fluoride
anhydrous
gaseous mixture
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
CA238,671A
Other languages
English (en)
French (fr)
Inventor
Dhirendra R. Merchant
Jimmie R. Hodges
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 Inc
Original Assignee
Pennwalt Corp
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
Priority claimed from US05/560,907 external-priority patent/US3976447A/en
Application filed by Pennwalt Corp filed Critical Pennwalt Corp
Application granted granted Critical
Publication of CA1052292A publication Critical patent/CA1052292A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/38—Separation; Purification; Stabilisation; Use of additives
    • 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
    • B01D53/02—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 adsorption, e.g. preparative gas chromatography
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/20—Halides
    • C01F11/22—Fluorides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Treating Waste Gases (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
CA238,671A 1975-03-21 1975-10-30 Removal of hydrogen fluoride from gaseous mixture by absorption on alkaline earth metal fluoride Expired CA1052292A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/560,907 US3976447A (en) 1973-04-26 1975-03-21 Removal of hydrogen fluoride from gaseous mixture by absorption on alkaline earth metal fluoride

Publications (1)

Publication Number Publication Date
CA1052292A true CA1052292A (en) 1979-04-10

Family

ID=24239858

Family Applications (1)

Application Number Title Priority Date Filing Date
CA238,671A Expired CA1052292A (en) 1975-03-21 1975-10-30 Removal of hydrogen fluoride from gaseous mixture by absorption on alkaline earth metal fluoride

Country Status (8)

Country Link
JP (1) JPS6035172B2 (US20080094685A1-20080424-C00004.png)
CA (1) CA1052292A (US20080094685A1-20080424-C00004.png)
DE (1) DE2608169A1 (US20080094685A1-20080424-C00004.png)
ES (1) ES441954A1 (US20080094685A1-20080424-C00004.png)
FR (1) FR2304388A1 (US20080094685A1-20080424-C00004.png)
GB (1) GB1505918A (US20080094685A1-20080424-C00004.png)
IT (1) IT1052322B (US20080094685A1-20080424-C00004.png)
NL (1) NL185328C (US20080094685A1-20080424-C00004.png)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2200621A (en) * 1987-02-06 1988-08-10 Coal Ind Treatment of gases
CN114042432B (zh) * 2021-11-05 2023-04-11 临海市利民化工有限公司 一种用于干法分离氯化氢精馏塔填料及其制备方法
WO2024053704A1 (ja) * 2022-09-09 2024-03-14 株式会社レゾナック フッ化水素吸着剤の製造方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA991822A (en) * 1971-06-16 1976-06-29 Dhirendra R. Merchant Purification of gaseous hydrogen chloride
DE2459272C3 (de) * 1974-12-14 1978-08-17 Fa. Hermann Wegener, 3000 Hannover Masse zum Entfernen von umweltschädlichen Gasen, insbesondere von Schwefeloxiden, Schwefelwasserstoff und Halogenwasserstoffen aus Industrieabgasen

Also Published As

Publication number Publication date
ES441954A1 (es) 1977-05-01
NL185328C (nl) 1990-03-16
GB1505918A (en) 1978-04-05
NL185328B (nl) 1989-10-16
JPS6035172B2 (ja) 1985-08-13
NL7512200A (nl) 1976-09-23
JPS51126395A (en) 1976-11-04
FR2304388B1 (US20080094685A1-20080424-C00004.png) 1979-07-06
DE2608169C2 (US20080094685A1-20080424-C00004.png) 1987-05-27
DE2608169A1 (de) 1976-10-14
IT1052322B (it) 1981-06-20
FR2304388A1 (fr) 1976-10-15

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