MX174470B - Mejoras en proceso para convertir acido hexafluoroarsenico o cualquier sal del mismo en acido arsenico o sal del mismo que entonces puede hacerse no peligroso - Google Patents

Mejoras en proceso para convertir acido hexafluoroarsenico o cualquier sal del mismo en acido arsenico o sal del mismo que entonces puede hacerse no peligroso

Info

Publication number
MX174470B
MX174470B MX9102680A MX9102680A MX174470B MX 174470 B MX174470 B MX 174470B MX 9102680 A MX9102680 A MX 9102680A MX 9102680 A MX9102680 A MX 9102680A MX 174470 B MX174470 B MX 174470B
Authority
MX
Mexico
Prior art keywords
salt
acid
dangerous
convert
become non
Prior art date
Application number
MX9102680A
Other languages
English (en)
Other versions
MX9102680A (es
Inventor
Somanahalli Naranappa Subbanna
Robert Andrew Smith
Douglas Gene Frick
Charles Lewis Redmon
Original Assignee
Allied Signal 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 Allied Signal Inc filed Critical Allied Signal Inc
Publication of MX9102680A publication Critical patent/MX9102680A/es
Publication of MX174470B publication Critical patent/MX174470B/es

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D3/00—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances
    • A62D3/30—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents
    • A62D3/35—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents by hydrolysis
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G28/00—Compounds of arsenic
    • C01G28/005—Oxides; Hydroxides; Oxyacids
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D2101/00—Harmful chemical substances made harmless, or less harmful, by effecting chemical change
    • A62D2101/40—Inorganic substances
    • A62D2101/43—Inorganic substances containing heavy metals, in the bonded or free state
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D2101/00—Harmful chemical substances made harmless, or less harmful, by effecting chemical change
    • A62D2101/40—Inorganic substances
    • A62D2101/49—Inorganic substances containing halogen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Removal Of Specific Substances (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
MX9102680A 1990-12-20 1991-12-19 Mejoras en proceso para convertir acido hexafluoroarsenico o cualquier sal del mismo en acido arsenico o sal del mismo que entonces puede hacerse no peligroso MX174470B (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/633,652 US5089241A (en) 1990-12-20 1990-12-20 Process for converting hexafluoroarsenic acid or any salt thereof to arsenic acid or salt thereof which can then be rendered nonhazardous

Publications (2)

Publication Number Publication Date
MX9102680A MX9102680A (es) 1992-06-01
MX174470B true MX174470B (es) 1994-05-17

Family

ID=24540556

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9102680A MX174470B (es) 1990-12-20 1991-12-19 Mejoras en proceso para convertir acido hexafluoroarsenico o cualquier sal del mismo en acido arsenico o sal del mismo que entonces puede hacerse no peligroso

Country Status (3)

Country Link
US (1) US5089241A (es)
CA (1) CA2056241A1 (es)
MX (1) MX174470B (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69307328T2 (de) * 1992-09-17 1997-04-24 Allied Signal Inc Verfahren zur umsetzung von hexafluorarsensäure oder deren salze in ein wasserunlösliches arsenatsalz das dann unschädlich gemacht werden kann
EP0620189B1 (en) * 1993-04-08 1998-01-07 AlliedSignal Inc. Process for separating arsenic acid from an aqueous mixture comprising sulfuric and arsenic acids
DE10031566A1 (de) * 2000-06-28 2002-01-10 Bayer Ag Verfahren zur Abtrennung von Arsenverbindungen aus Fluorwasserstoff
DE10049805A1 (de) * 2000-10-09 2002-04-18 Bayer Ag Verfahren zur Abtrennung von Arsenverbindungen aus dem Destillationssumpf der Fluorwasserstoffherstellung
US20080003172A1 (en) * 2006-06-29 2008-01-03 Honeywell International Inc. Continuous hydrolysis of hexafluoroarsenic acid
DE102011111316B4 (de) * 2011-08-26 2017-10-19 Plinke Gmbh Verfahren zur Reinigung und Konzentrierung HF-haltiger Schwefelsäure
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.
RU2653034C9 (ru) * 2017-06-01 2019-04-11 Общество с ограниченной ответственностью "Новые химические продукты" Способ извлечения фторида водорода из его водных растворов
CN112609092B (zh) * 2020-12-29 2022-11-08 云南驰宏锌锗股份有限公司 一种从砷酸钙/亚砷酸钙沉淀物中综合回收钙、砷的方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3718736A (en) * 1971-09-20 1973-02-27 Allied Chem Process for the manufacture 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
FI58354C (fi) * 1977-11-28 1981-01-12 Outokumpu Oy Foerfarande foer behandling av raomaterial innehaollande arsenik och metall
US4769230A (en) * 1982-08-02 1988-09-06 Koppers Company, Inc. Process for preparation of arsenic acid
GB8333042D0 (en) * 1983-12-10 1984-01-18 Laporte Industries Ltd Arsenic acid
AU581634B2 (en) * 1985-08-28 1989-03-02 Interox Chemicals Limited Manufacture of arsenic acid
US4929435A (en) * 1987-02-12 1990-05-29 Allied-Signal Inc. Manufacture of high purity low arsenic anhydrous hydrogen fluoride
US4756899A (en) * 1987-02-12 1988-07-12 Allied-Signal Inc. Manufacture of high purity low arsenic anhydrous hydrogen fluoride
US4954330A (en) * 1989-11-30 1990-09-04 E. I. Dupont De Nemours And Company Process for purifying hydrogen fluoride

Also Published As

Publication number Publication date
MX9102680A (es) 1992-06-01
CA2056241A1 (en) 1992-06-21
US5089241A (en) 1992-02-18

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