DE3483886D1 - Verfahren zur beseitigung von arsen aus wasserstofffluorid. - Google Patents

Verfahren zur beseitigung von arsen aus wasserstofffluorid.

Info

Publication number
DE3483886D1
DE3483886D1 DE8484113065T DE3483886T DE3483886D1 DE 3483886 D1 DE3483886 D1 DE 3483886D1 DE 8484113065 T DE8484113065 T DE 8484113065T DE 3483886 T DE3483886 T DE 3483886T DE 3483886 D1 DE3483886 D1 DE 3483886D1
Authority
DE
Germany
Prior art keywords
arsen
hydrogen fluoride
fluoride
hydrogen
removing arsen
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 - Fee Related
Application number
DE8484113065T
Other languages
English (en)
Inventor
Gregory Alan Wheaton
David Milton Gardner
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
Atochem North America Inc
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 Atochem North America Inc filed Critical Atochem North America Inc
Application granted granted Critical
Publication of DE3483886D1 publication Critical patent/DE3483886D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C01B7/195—Separation; Purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Catalysts (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
DE8484113065T 1984-05-03 1984-10-30 Verfahren zur beseitigung von arsen aus wasserstofffluorid. Expired - Fee Related DE3483886D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/606,484 US4491570A (en) 1984-05-03 1984-05-03 Removal of arsenic from hydrogen fluoride

Publications (1)

Publication Number Publication Date
DE3483886D1 true DE3483886D1 (de) 1991-02-07

Family

ID=24428168

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484113065T Expired - Fee Related DE3483886D1 (de) 1984-05-03 1984-10-30 Verfahren zur beseitigung von arsen aus wasserstofffluorid.

Country Status (9)

Country Link
US (1) US4491570A (de)
EP (1) EP0160737B1 (de)
JP (1) JPS60235701A (de)
AU (1) AU561311B2 (de)
BR (1) BR8406781A (de)
CA (1) CA1214622A (de)
DE (1) DE3483886D1 (de)
DK (1) DK600584A (de)
MX (1) MX162803A (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4668497A (en) * 1984-12-25 1987-05-26 Hashimoto Chemical Industries Co., Ltd. Process for purifying hydrogen fluoride
US4756899A (en) * 1987-02-12 1988-07-12 Allied-Signal Inc. Manufacture of high purity low arsenic anhydrous hydrogen fluoride
US4929435A (en) * 1987-02-12 1990-05-29 Allied-Signal Inc. Manufacture of high purity low arsenic anhydrous hydrogen fluoride
US5047226A (en) * 1988-12-12 1991-09-10 Fluorex, S.A. De C.V. Process for the removal of arsenic in the manufacture of hydrofluoric acid
US4960580A (en) * 1989-10-31 1990-10-02 E. I. Du Pont De Nemours And Company Process for purifying hydrogen fluoride
US4954330A (en) * 1989-11-30 1990-09-04 E. I. Dupont De Nemours And Company Process for purifying hydrogen fluoride
DE4135918A1 (de) * 1991-10-31 1993-05-06 Solvay Fluor Und Derivate Gmbh, 3000 Hannover, De Herstellung von hochreinem fluorwasserstoff
DE4135917C2 (de) * 1991-10-31 1998-07-16 Solvay Fluor & Derivate Verfahren zur Abtrennung von organischen Kohlenstoffverbindungen aus Fluorwasserstoff
US5108559A (en) * 1991-12-17 1992-04-28 E. I. Du Pont De Nemours And Company Process for purifying hydrogen fluoride
GB0427968D0 (en) * 2004-12-21 2005-01-26 Davy Process Technology Switze Process
US9260306B2 (en) 2008-11-28 2016-02-16 Kyoto University Hydrogen fluoride purification method
US20130004402A1 (en) * 2011-06-28 2013-01-03 Honeywell International Inc. Methods and apparatuses for purifying phosphorus pentafluoride
MX357878B (es) 2014-12-18 2018-07-27 Mexichem Fluor Sa De Capital Variable Proceso para la purificación del ácido fluorhídrico incluyendo la obtención del subproducto ácido arsenioso.
RU2626296C2 (ru) * 2015-12-08 2017-07-25 Федеральное Государственное Бюджетное Образовательное Учреждение Высшего Образования "Новосибирский Государственный Технический Университет" Трансформатор сопротивлений
CN115072665B (zh) * 2022-06-14 2023-10-03 多氟多新材料股份有限公司 一种无水氟化氢的除杂方法、电子级氢氟酸的制备方法及装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1335675A (fr) * 1961-07-27 1963-08-23 I C P M Ind Chimiche Porto Mar Procédé pour l'élimination de composés d'arsenic et d'antimoine de l'acide fluorhdrique moyennant la formation de complexes, facilement séparables, entre l'arsenic et l'antimoine, le fluor et un métal alcalin
DE1181178B (de) * 1962-05-03 1964-11-12 Buss Ag Verfahren zur Gewinnung von wasserfreiem Fluorwasserstoff aus verduennten HF-Loesungen
BE632837A (de) * 1962-06-04 1963-10-21
US3238017A (en) * 1962-12-24 1966-03-01 Onoda Cement Co Ltd Method for the recovery of hydrogen fluoride from the spent gases
SU379533A1 (ru) * 1965-09-25 1973-04-20 Авторы изобретени Способ очистки технической плавиковой кислоты
FR1492808A (fr) * 1965-11-26 1967-08-25 Commissariat Energie Atomique Procédé d'obtention d'acide fluorhydrique de très haute pureté et appareil pour la mise en oeuvre du procédé ou d'un procédé analogue
US3689370A (en) * 1970-02-20 1972-09-05 Daikin Ind Ltd Process for purifying hydrofluoric acid by distillation with an oxidizing agent and a ferrous salt
GB1332968A (en) * 1971-03-08 1973-10-10 Ici Ltd Recovery of hydrogen fluoride
US4032621A (en) * 1975-11-24 1977-06-28 E. I. Du Pont De Nemours And Company Preparation of hydrogen fluoride with low levels of arsenic, iron and sulfite
US4083941A (en) * 1977-04-18 1978-04-11 E. I. Du Pont De Nemours And Company Purification of anhydrous hydrogen fluoride
SU763251A1 (ru) * 1978-11-30 1980-09-15 Предприятие П/Я А-7815 Способ очистки галоидоводорода от серосодержащих примесей

Also Published As

Publication number Publication date
EP0160737B1 (de) 1990-12-27
MX162803A (es) 1991-06-26
EP0160737A2 (de) 1985-11-13
JPS60235701A (ja) 1985-11-22
US4491570A (en) 1985-01-01
DK600584D0 (da) 1984-12-14
EP0160737A3 (en) 1987-11-11
AU561311B2 (en) 1987-05-07
CA1214622A (en) 1986-12-02
DK600584A (da) 1985-11-04
AU3570884A (en) 1985-11-07
BR8406781A (pt) 1986-07-08

Similar Documents

Publication Publication Date Title
AT384022B (de) Verfahren zur herstellung von 1,2,4-triazol-3onen
DE3587442D1 (de) Verfahren zur herstellung von polysilsesquioxanen.
DE3582413D1 (de) Verfahren zur reinigung von tantal.
DE3581200D1 (de) Verfahren zur herstellung von 1-hydroxyvitamin-d-verbindungen.
DE3781056D1 (de) Verfahren zur herstellung von gegenstaenden aus polyaethylen.
DE3585687D1 (de) Verfahren zur herstellung von 1-hydroxyvitamin-d-verbindungen.
DE3575423D1 (de) Verfahren zur herstellung von heteroaryloxyacetamiden.
DE3586638D1 (de) Verfahren zur herstellung von vanadylphthalocyanin.
DE3578062D1 (de) Verfahren zur herstellung von iodbenzol.
DE3586154D1 (de) Verbessertes verfahren zur immunofixierungselektrophorese.
DE3483886D1 (de) Verfahren zur beseitigung von arsen aus wasserstofffluorid.
DE3483344D1 (de) Verfahren zur reinigung von lpf-ha.
DE3580760D1 (de) Verfahren zur herstellung von buten-1 aus aethylen.
DE3765097D1 (de) Verfahren zur fabrikation von basisschmieroelen.
DE3763492D1 (de) Verfahren zur entfernung von metallcarbonylen aus gasfoermigen stroemen.
DE58902814D1 (de) Verfahren zur entfernung von silanverbindungen aus silanhaltigen abgasen.
DE3767665D1 (de) Verfahren zur herstellung von einkristallen aus binaeren metalloxiden.
DE3483535D1 (de) Verfahren zur herstellung von 2,2,3-trifluorpropionsaeurefluorid.
DE3576148D1 (de) Verfahren zur trennung von racematen.
DE3576817D1 (de) Verfahren zur herstellung von aminen.
DE3861651D1 (de) Verfahren zur wiedergewinnung von platingruppenmetallen.
DE3485270D1 (de) Verfahren zur herstellung von copolymeren aus isomiden.
DE3482449D1 (de) Verfahren zur trennung von borisotopen.
DE3585219D1 (de) Verfahren zur herstellung von n-formyl-alpha-aspartyl-phenylalaninen.
DE3575133D1 (de) Verfahren zur herstellung von 1-alkyl- oder 1-cycloalkylpiperazinen.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee