CS268163B2 - Způsob výroby fluorovodíku z kyseliny fluorokřemičité - Google Patents

Způsob výroby fluorovodíku z kyseliny fluorokřemičité Download PDF

Info

Publication number
CS268163B2
CS268163B2 CS853204A CS320485A CS268163B2 CS 268163 B2 CS268163 B2 CS 268163B2 CS 853204 A CS853204 A CS 853204A CS 320485 A CS320485 A CS 320485A CS 268163 B2 CS268163 B2 CS 268163B2
Authority
CS
Czechoslovakia
Prior art keywords
hydrogen fluoride
acid
sulfuric acid
decomposition
fluorosilicic
Prior art date
Application number
CS853204A
Other languages
Czech (cs)
English (en)
Other versions
CS320485A2 (en
Inventor
Bohdan Dr Zawadzki
Anna Dr Bulinska
Zygmunt Dr Hermann
Jozef Dr Konczal
Marek Dr Jarzynowski
Kazimierz Dr Zagozda
Original Assignee
Poznanskie Zaklady Chemiczne
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 Poznanskie Zaklady Chemiczne filed Critical Poznanskie Zaklady Chemiczne
Publication of CS320485A2 publication Critical patent/CS320485A2/cs
Publication of CS268163B2 publication Critical patent/CS268163B2/cs

Links

Landscapes

  • Silicon Compounds (AREA)
CS853204A 1984-05-04 1985-05-04 Způsob výroby fluorovodíku z kyseliny fluorokřemičité CS268163B2 (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL24752684A PL141750B1 (en) 1984-05-04 1984-05-04 Method of obtaining hydrogen fluoride from silicofluoric acid

Publications (2)

Publication Number Publication Date
CS320485A2 CS320485A2 (en) 1988-06-15
CS268163B2 true CS268163B2 (cs) 1990-03-14

Family

ID=20021656

Family Applications (1)

Application Number Title Priority Date Filing Date
CS853204A CS268163B2 (cs) 1984-05-04 1985-05-04 Způsob výroby fluorovodíku z kyseliny fluorokřemičité

Country Status (3)

Country Link
CS (1) CS268163B2 (fr)
MA (1) MA20420A1 (fr)
PL (1) PL141750B1 (fr)

Also Published As

Publication number Publication date
PL141750B1 (en) 1987-08-31
PL247526A1 (en) 1985-11-05
CS320485A2 (en) 1988-06-15
MA20420A1 (fr) 1985-12-31

Similar Documents

Publication Publication Date Title
JP7062686B2 (ja) 精製された形態でメタンスルホン酸を回収するための方法及びシステム
US4062930A (en) Method of production of anhydrous hydrogen fluoride
US3983180A (en) Process for preparing methyl chloride
JPS6112646A (ja) 酢酸ビニルの分離方法
US4046860A (en) Ammonium fluoride process for defluorinating phosphoric acids and production of ammonium fluosilicate
US3004829A (en) Hydrogen fluoride process
US4714604A (en) Method of separating HF and SiF4 from HCl
US3386892A (en) Purification of fluosilicic acid solution by distillation with phosphoric acid solution
US3725210A (en) Method of removing unreacted materials remaining in urea synthesis effluent by plural stage distillation and co2 stripping
US2345696A (en) Purification of hydrochloric acid
JPH1059878A (ja) 水を抽出剤としたジメチルエーテルおよびクロロメタンの混合物の製造および分別法
JP3163831B2 (ja) １，１−ジフルオロエタンとフッ化水素の共沸混合物および１，１−ジフルオロエタンまたはフッ化水素の回収方法
US3725536A (en) Method of the continuous production of hydrofluoric acid
US2761761A (en) Method for concentrating dilute nitric acid
JPS61268635A (ja) 二塩化エタンの製造方法
US2690815A (en) Recovery of hf
CS268163B2 (cs) Způsob výroby fluorovodíku z kyseliny fluorokřemičité
US3544274A (en) Halogen production
US4045295A (en) Purification of sulfuric acid containing acetic acid
US3218128A (en) Process of producing hydrogen fluoride in a two-stage procedure and effecting a rapid evolution and an effective recovery of the hydrogen fluoride by sweeping the second stage with a condensible inert gas
US3278265A (en) Process for the manufacture of hydrogen fluoride
US3907973A (en) Process for defluorinating phosphoric acids and production of ammonium fluosilicate and fluosilicic acid
US2665195A (en) Chlorine from hci
US3527799A (en) Urea synthesis process
US3449079A (en) Hydrogen halide oxidation in acid medium