FR2375140B1 - - Google Patents

Info

Publication number
FR2375140B1
FR2375140B1 FR7739190A FR7739190A FR2375140B1 FR 2375140 B1 FR2375140 B1 FR 2375140B1 FR 7739190 A FR7739190 A FR 7739190A FR 7739190 A FR7739190 A FR 7739190A FR 2375140 B1 FR2375140 B1 FR 2375140B1
Authority
FR
France
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
FR7739190A
Other languages
French (fr)
Other versions
FR2375140A1 (fr
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.)
Kemira Oyj
Original Assignee
Kemira Oyj
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 FI763707A external-priority patent/FI763707A7/fi
Priority claimed from FI763708A external-priority patent/FI59076C/fi
Application filed by Kemira Oyj filed Critical Kemira Oyj
Publication of FR2375140A1 publication Critical patent/FR2375140A1/fr
Application granted granted Critical
Publication of FR2375140B1 publication Critical patent/FR2375140B1/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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
FR7739190A 1976-12-27 1977-12-26 Procede pour la fabrication de fluorure d'hydrogene a partir d'une solution aqueuse de fluorure d'hydrogene et d'acide sulfurique Granted FR2375140A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI763707A FI763707A7 (enExample) 1976-12-27 1976-12-27
FI763708A FI59076C (fi) 1976-12-27 1976-12-27 Anordning foer framstaellning av fluorvaete fraon en vattenloesning av ammoniumfluorid och ammoniumbifluorid

Publications (2)

Publication Number Publication Date
FR2375140A1 FR2375140A1 (fr) 1978-07-21
FR2375140B1 true FR2375140B1 (enExample) 1984-09-28

Family

ID=26156850

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7739190A Granted FR2375140A1 (fr) 1976-12-27 1977-12-26 Procede pour la fabrication de fluorure d'hydrogene a partir d'une solution aqueuse de fluorure d'hydrogene et d'acide sulfurique

Country Status (7)

Country Link
US (1) US4163045A (enExample)
CH (1) CH632977A5 (enExample)
DE (1) DE2757228A1 (enExample)
FR (1) FR2375140A1 (enExample)
GB (1) GB1544770A (enExample)
NL (1) NL7714079A (enExample)
SE (1) SE7714689L (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4743271A (en) * 1983-02-17 1988-05-10 Williams Technologies, Inc. Process for producing a clean hydrocarbon fuel
US4695290A (en) * 1983-07-26 1987-09-22 Integrated Carbons Corporation Integrated coal cleaning process with mixed acid regeneration
US4753033A (en) * 1985-03-24 1988-06-28 Williams Technologies, Inc. Process for producing a clean hydrocarbon fuel from high calcium coal
US5597545A (en) * 1994-11-14 1997-01-28 Alliedsignal Inc. Recovery of HF from aqueous streams
GB0427968D0 (en) * 2004-12-21 2005-01-26 Davy Process Technology Switze Process
JP4576312B2 (ja) * 2005-10-03 2010-11-04 東北電力株式会社 四フッ化ケイ素の製造方法、及びそれに用いる製造装置
US20110078948A1 (en) * 2009-10-01 2011-04-07 Chandrashekhar Ganpatrao Sonwane Ash removal from coal: process to avoid large quantities of hydrogen fluoride on-site
DE102011111316B4 (de) * 2011-08-26 2017-10-19 Plinke Gmbh Verfahren zur Reinigung und Konzentrierung HF-haltiger Schwefelsäure
CN102424367A (zh) * 2011-09-20 2012-04-25 六九硅业有限公司 含氟硫酸的分离浓缩装置及分离浓缩方法
CN120172354B (zh) * 2025-05-23 2025-07-18 池州天赐高新材料有限公司 一种含氟副产硫酸中提取氟化氢的方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1060519A (en) * 1964-08-21 1967-03-01 Inst Chemil Nieorganicznej Process for the preparation of hydrogen fluoride
US3455650A (en) * 1967-03-08 1969-07-15 Continental Oil Co Production of hydrogen fluoride

Also Published As

Publication number Publication date
SE7714689L (sv) 1978-06-28
DE2757228A1 (de) 1978-07-06
GB1544770A (en) 1979-04-25
NL7714079A (nl) 1978-06-29
FR2375140A1 (fr) 1978-07-21
CH632977A5 (de) 1982-11-15
US4163045A (en) 1979-07-31

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Legal Events

Date Code Title Description
ST Notification of lapse