IT955427B - Allontanamento di hf da un gas contenente hf - Google Patents

Allontanamento di hf da un gas contenente hf

Info

Publication number
IT955427B
IT955427B IT24213/72A IT2421372A IT955427B IT 955427 B IT955427 B IT 955427B IT 24213/72 A IT24213/72 A IT 24213/72A IT 2421372 A IT2421372 A IT 2421372A IT 955427 B IT955427 B IT 955427B
Authority
IT
Italy
Prior art keywords
removal
gas containing
gas
Prior art date
Application number
IT24213/72A
Other languages
English (en)
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Application granted granted Critical
Publication of IT955427B publication Critical patent/IT955427B/it

Links

Classifications

    • 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
    • C01F11/20—Halides
    • C01F11/22—Fluorides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/68—Halogens or halogen compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Geology (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treating Waste Gases (AREA)
IT24213/72A 1971-05-12 1972-05-10 Allontanamento di hf da un gas contenente hf IT955427B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14275571A 1971-05-12 1971-05-12

Publications (1)

Publication Number Publication Date
IT955427B true IT955427B (it) 1973-09-29

Family

ID=22501142

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24213/72A IT955427B (it) 1971-05-12 1972-05-10 Allontanamento di hf da un gas contenente hf

Country Status (7)

Country Link
US (1) US3743704A (it)
CA (1) CA977934A (it)
DE (1) DE2223300A1 (it)
FR (1) FR2137790B1 (it)
GB (1) GB1342703A (it)
IT (1) IT955427B (it)
NL (1) NL7206444A (it)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1400862A (en) * 1972-08-24 1975-07-16 Fitzwilton Ltd Production of hydrogen fluoride
US4154804A (en) * 1977-12-22 1979-05-15 Allied Chemical Corporation Novel calcium chloride scrubbing bath
US4695290A (en) * 1983-07-26 1987-09-22 Integrated Carbons Corporation Integrated coal cleaning process with mixed acid regeneration
US4985220A (en) * 1988-08-08 1991-01-15 Mobil Oil Corporation Hydrogen fluoride vapor containment
JP2592118B2 (ja) * 1988-12-02 1997-03-19 三菱重工業株式会社 排ガスの処理方法
US5074770A (en) * 1989-08-30 1991-12-24 Intellex Corporation Integrated vacuum forming/reaction injection molding apparatus for manufacturing a shaped polymeric laminate article
JP4085520B2 (ja) * 1999-06-16 2008-05-14 三菱マテリアル株式会社 劣化ｕｆ６の処理設備及びその処理方法
JP4305633B2 (ja) * 2003-04-24 2009-07-29 信越化学工業株式会社 アミド化合物の精製方法
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
EP2952478B1 (en) * 2014-06-05 2019-04-17 3M Innovative Properties Company Method for the production of free flowing synthetic calcium fluoride and use thereof
EP3246289B1 (en) 2016-05-19 2020-12-09 3M Innovative Properties Company Generation of calcium fluoride from hf gas streams
CN110104866A (zh) * 2019-06-14 2019-08-09 安徽浩悦环境科技有限责任公司 一种高浓度酸性氟化铵废液的处理装置及其处理工艺

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2914474A (en) * 1954-07-29 1959-11-24 Phillips Petroleum Co Removal of fluorides from industrial waste waters

Also Published As

Publication number Publication date
DE2223300A1 (de) 1972-11-30
CA977934A (en) 1975-11-18
US3743704A (en) 1973-07-03
GB1342703A (en) 1974-01-03
NL7206444A (it) 1972-11-14
FR2137790B1 (it) 1977-12-23
FR2137790A1 (it) 1972-12-29

Similar Documents

Publication Publication Date Title
AU460194B2 (en) PROCESS FORTHE REMOVAL OF MERCURY from GASES
IT971118B (it) Metodo per il ricupero di molibde no da catalizzatore esaurito
ZA703922B (en) Process of removing sulfur dioxide from a gas containing same
IT1039958B (it) Fluidi funzionali da esteritriarilfosforici
IT964073B (it) Diffusore particolarmente adatto per compressore di turbomotore a gas
SE387518B (sv) Rokningsprodukt innehallande en ringa mengd mikotinpektinat
IT959237B (it) Procedimento per l estrazione di ossidi di azoto da miscele gassose
IT955427B (it) Allontanamento di hf da un gas contenente hf
GB1434372A (en) Giammarco g removal of acidic gases from gaseous mixtures
IT1036267B (it) Estrazione di allumina da liscivie di cromatt
SE400189B (sv) Gas-vetskeseparator
IT962828B (it) Procedimento per la produzione di gas riducente particolarmente a partire da gas di scarico
IT964054B (it) Procedimento per preparare un gas riducente
IT1009290B (it) Eliminazione di un pentafluoruro metallico da idrocarburi
BE789086A (fr) Separation d'acide cyanhydrique a parrir d'un gaz
IT961381B (it) Procedimento per l allontanamento di mercurio da gas
SE382966B (sv) Forfarande for avlegsnande av svaveldioxid ur en gas
SE389214B (sv) Metod for framstellning av en gaspanel
IT941444B (it) Procedimento di produzione di enzimi a partire da idrocarburi
IT974627B (it) Compressore a gas
CA993174A (en) Removal of mercury from caustic solutions
IT967196B (it) Procedimento per la rimozione di sox da gas di combustion
IT994911B (it) Metodo di raffreddamento di gas da piroscissione di idrocarburi a basso punto d ebollizione
IT1043244B (it) Uspurificazione del gas di sintesi
AT325499B (de) Aerosoldose