NL7508761A - Werkwijze en inrichting ter bereiding van fluor- waterstof en van calciumsulfaat. - Google Patents

Werkwijze en inrichting ter bereiding van fluor- waterstof en van calciumsulfaat.

Info

Publication number
NL7508761A
NL7508761A NL7508761A NL7508761A NL7508761A NL 7508761 A NL7508761 A NL 7508761A NL 7508761 A NL7508761 A NL 7508761A NL 7508761 A NL7508761 A NL 7508761A NL 7508761 A NL7508761 A NL 7508761A
Authority
NL
Netherlands
Prior art keywords
fluorous
hydrogen
preparation
equipment
calcium sulphate
Prior art date
Application number
NL7508761A
Other languages
English (en)
Dutch (nl)
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 NL7508761A publication Critical patent/NL7508761A/xx

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
    • 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
    • C01F11/46—Sulfates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Treating Waste Gases (AREA)
NL7508761A 1974-07-24 1975-07-22 Werkwijze en inrichting ter bereiding van fluor- waterstof en van calciumsulfaat. NL7508761A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2435512A DE2435512A1 (de) 1974-07-24 1974-07-24 Verfahren zur herstellung von fluorwasserstoff und calciumsulfat

Publications (1)

Publication Number Publication Date
NL7508761A true NL7508761A (nl) 1976-01-27

Family

ID=5921344

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7508761A NL7508761A (nl) 1974-07-24 1975-07-22 Werkwijze en inrichting ter bereiding van fluor- waterstof en van calciumsulfaat.

Country Status (12)

Country Link
US (1) US4010245A (fr)
JP (1) JPS5135694A (fr)
AU (1) AU8328275A (fr)
BE (1) BE831585A (fr)
BR (1) BR7504721A (fr)
DE (1) DE2435512A1 (fr)
ES (1) ES439669A1 (fr)
FR (1) FR2279664A1 (fr)
GB (1) GB1521511A (fr)
IN (1) IN143502B (fr)
NL (1) NL7508761A (fr)
ZA (1) ZA754750B (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH646401A5 (de) * 1981-04-28 1984-11-30 Buss Ag Verfahren und einrichtung zur herstellung von synthetischem anhydrit und reiner flusssaeure.
JPS58217402A (ja) * 1982-06-11 1983-12-17 Asahi Glass Co Ltd 弗化水素の製造方法
US4491571A (en) * 1982-06-11 1985-01-01 Asahi Glass Company Ltd. Process for producing hydrogen fluoride
EP0100783A1 (fr) * 1982-08-13 1984-02-22 Heinz List Méthode de l'exécution des procédés endothermiques
FR2564449B1 (fr) * 1984-05-18 1988-06-03 Atochem Procede de fabrication d'acide fluorhydrique par reaction de l'acide sulfurique sur le spath fluor dans un four tournant
DE3913822A1 (de) * 1989-04-26 1990-10-31 Vaw Ver Aluminium Werke Ag Verfahren zur herstellung chloridarmer gipsprodukte
DE19823879C1 (de) 1998-05-28 1999-08-19 Solvay Fluor & Derivate Flußmittelrecycling
DE10031562A1 (de) 2000-06-28 2002-01-10 Bayer Ag Verfahren zur Herstellung von Fluorwasserstoff in einem Drehrohrofen
ES2366682T3 (es) * 2007-02-02 2011-10-24 Solvay Fluor Gmbh Preparación de fluoruro de hidrógeno a partir de fluoruro de calcio y ácido sulfúrico.
JP2011519335A (ja) * 2008-04-22 2011-07-07 ゾルファイ フルーオル ゲゼルシャフト ミット ベシュレンクテル ハフツング 蛍石またはフッ化カルシウム含有廃棄物からのフッ化水素の製造
JP5428594B2 (ja) * 2009-07-06 2014-02-26 ダイキン工業株式会社 フッ化水素の製造方法
CN108609586B (zh) * 2018-08-08 2021-11-02 宣城亨泰电子化学材料有限公司 一种试剂级氢氟酸制作装置
CN112062091A (zh) * 2020-09-18 2020-12-11 宣城亨泰电子化学材料有限公司 一种无水氟化氢生产设备及其生产工艺
CN112142009A (zh) * 2020-09-22 2020-12-29 宜章弘源化工有限责任公司 无水氟化氢生产方法及其设备

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR85022E (fr) * 1963-01-30 1965-05-28 Electrochimie Soc Perfectionnements aux procédés d'obtention d'acide fluorhydrique
US3607121A (en) * 1969-12-19 1971-09-21 Allied Chem Rotary furnace having recycle provision
BE786915A (fr) * 1971-07-29 1973-01-29 Bayer Ag Production d'acide fluorhydrique et de sulfates metalliques
US3718736A (en) * 1971-09-20 1973-02-27 Allied Chem Process for the manufacture of hydrogen fluoride

Also Published As

Publication number Publication date
ZA754750B (en) 1976-06-30
IN143502B (fr) 1977-12-10
FR2279664B1 (fr) 1979-05-11
ES439669A1 (es) 1977-03-16
FR2279664A1 (fr) 1976-02-20
BR7504721A (pt) 1976-07-06
US4010245A (en) 1977-03-01
DE2435512A1 (de) 1976-02-05
GB1521511A (en) 1978-08-16
AU8328275A (en) 1977-01-27
BE831585A (fr) 1976-01-22
JPS5135694A (en) 1976-03-26

Similar Documents

Publication Publication Date Title
BG26192A3 (bg) Метод за получаване на 3-арилокси-3-фенилпропиламини
YU186175A (en) Method of interconnecting edges
AT339194B (de) Vorrichtung zur herstellung von betonstrukturen
NL7504742A (nl) Werkwijze ter bereiding van calciumsulfaat (alpha)-hemihydraat.
PH12044A (en) Joist
NL7508761A (nl) Werkwijze en inrichting ter bereiding van fluor- waterstof en van calciumsulfaat.
NO137541C (no) Fremgangsmaate til fremstilling av hydrogen
IT1041091B (it) Procedimento per produrre chetoni
SE398466B (sv) Forfarande vid framstellning av gipsskivor
BG24539A3 (bg) Метод за получаване на 1-етил- за- субституирани - фенил - декахидроизохинолини
NL7506616A (nl) Werkwijze en inrichting voor de bereiding van waterstof.
IT1032330B (it) Procedimento ed apparecchio per produrre fosfati di calcio
NL7502321A (nl) Werkwijze ter bereiding van waterstof.
CS193516B2 (en) Method of making the hydrodesulfurous catalyser
BG27233A3 (bg) Метод за получаване на 2-карбалоксиамино-5(6)-фенил- сулфонилокси-бензимидазоли
IT1054363B (it) Procedimento per produrre l cisteina e l cistina
NL7501469A (nl) Werkwijze en inrichting ter vervaardiging van en omhulde produkten.
CS190461B2 (en) Method of preparation of the substituted s-alcylthiocarbanates
DK439875A (da) Siliciumorganiske forbindelser og fremgangsmade til disses fremstilling
SE401168B (sv) Forfarande for framstellning av stabiliserat bindande kalciumsulfat
SE7514729L (sv) Forfarande for framstellning av hexagonal bornitrid
SU538660A3 (ru) Способ получени -трет.-бутиламинометил4-окси- -ксилол- -диола
SE7508654L (sv) Forfarande for framstellning av steroider
AT352303B (de) Verahren zur herstellung von mono-o-beta- hydroxyaethyl-7-rutin
NL7514656A (nl) Werkwijze en inrichting voor de bereiding van calciumsulfaat-(alpha)-halfhydraat.