DE69103339T2 - Verfahren zur Herstellung von Fluorwasserstoffsäure. - Google Patents

Verfahren zur Herstellung von Fluorwasserstoffsäure.

Info

Publication number
DE69103339T2
DE69103339T2 DE69103339T DE69103339T DE69103339T2 DE 69103339 T2 DE69103339 T2 DE 69103339T2 DE 69103339 T DE69103339 T DE 69103339T DE 69103339 T DE69103339 T DE 69103339T DE 69103339 T2 DE69103339 T2 DE 69103339T2
Authority
DE
Germany
Prior art keywords
preparation
hydrofluoric acid
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.)
Expired - Lifetime
Application number
DE69103339T
Other languages
English (en)
Other versions
DE69103339D1 (de
Inventor
Kunihiko Terase
Sadao Hagita
Kouichi Yokoyama
Yasuhiro Sanada
Michiomi Nagase
Suekazu Hirata
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.)
AGC Inc
Original Assignee
Asahi Glass Co Ltd
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 Asahi Glass Co Ltd filed Critical Asahi Glass Co Ltd
Publication of DE69103339D1 publication Critical patent/DE69103339D1/de
Application granted granted Critical
Publication of DE69103339T2 publication Critical patent/DE69103339T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C01B7/192—Preparation from fluorspar

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Silicon Compounds (AREA)
DE69103339T 1990-06-01 1991-05-29 Verfahren zur Herstellung von Fluorwasserstoffsäure. Expired - Lifetime DE69103339T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14157790 1990-06-01

Publications (2)

Publication Number Publication Date
DE69103339D1 DE69103339D1 (de) 1994-09-15
DE69103339T2 true DE69103339T2 (de) 1995-03-16

Family

ID=15295222

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69103339T Expired - Lifetime DE69103339T2 (de) 1990-06-01 1991-05-29 Verfahren zur Herstellung von Fluorwasserstoffsäure.

Country Status (3)

Country Link
US (1) US5219551A (de)
EP (1) EP0460524B1 (de)
DE (1) DE69103339T2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2507920B2 (ja) * 1994-01-17 1996-06-19 工業技術院長 けい酸カルシウムを用いた耐酸性濾過助剤の製造方法
FR2788053B1 (fr) 1998-12-30 2001-03-16 Atochem Elf Sa Procede de recyclage de poudre fine de fluorure de calcium
JP3801187B2 (ja) * 2003-08-28 2006-07-26 セイコーエプソン株式会社 薬液再処理方法及び、蛍石の製造方法
CN102586632A (zh) * 2012-02-22 2012-07-18 中南大学 一种综合回收矿物中氟、钨的方法
CN103073061B (zh) * 2012-11-14 2014-09-03 中南大学 一种从高钼白钨矿中提取钨、钼的方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2735245A (en) * 1956-02-21 F grieco
US1851652A (en) * 1928-01-31 1932-03-29 Ig Farbenindustrie Ag Process of separating hydrogen fluoride from silicon fluoride
US2780521A (en) * 1954-03-22 1957-02-05 Int Minerals & Chem Corp Process for producing colloidal silicafree calcium fluoride
GB1304781A (de) * 1969-11-11 1973-01-31
SU420565A1 (ru) * 1971-12-31 1974-03-25 С. И. Вольфкович, С. Б. Казакова , Н. Д. Томилова Способ получения легко фильтрующегося фтористого кальция
DE2307897C3 (de) * 1973-02-17 1982-02-18 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von synthetischem Flußspat
SU1101403A1 (ru) * 1983-03-09 1984-07-07 Иркутский Филиал Всесоюзного Научно-Исследовательского И Проектного Института Алюминиевой,Магниевой И Электродной Промышленности Способ нейтрализации фторангидритовых отходов производства фтористого водорода из плавикового шпата
US4606901A (en) * 1983-07-27 1986-08-19 Mobil Oil Corporation Deagglomeration of porous siliceous crystalline materials
US4690810A (en) * 1986-03-26 1987-09-01 Union Carbide Corporation Disposal process for contaminated chlorosilanes

Also Published As

Publication number Publication date
DE69103339D1 (de) 1994-09-15
EP0460524B1 (de) 1994-08-10
US5219551A (en) 1993-06-15
EP0460524A1 (de) 1991-12-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition