GB1502703A - Method of recovery fluorine compounds from vapour of crude phosphoric acid solution - Google Patents

Method of recovery fluorine compounds from vapour of crude phosphoric acid solution

Info

Publication number
GB1502703A
GB1502703A GB10047/76A GB1004776A GB1502703A GB 1502703 A GB1502703 A GB 1502703A GB 10047/76 A GB10047/76 A GB 10047/76A GB 1004776 A GB1004776 A GB 1004776A GB 1502703 A GB1502703 A GB 1502703A
Authority
GB
United Kingdom
Prior art keywords
vapour
mixture
phosphoric acid
cooling water
acid solution
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
Application number
GB10047/76A
Other languages
English (en)
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.)
Central Glass Co Ltd
Original Assignee
Central Glass Co Ltd
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 Central Glass Co Ltd filed Critical Central Glass Co Ltd
Publication of GB1502703A publication Critical patent/GB1502703A/en
Expired 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
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/08—Compounds containing halogen
    • C01B33/10—Compounds containing silicon, fluorine, and other elements
    • C01B33/103—Fluosilicic acid; Salts thereof
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B9/00—General methods of preparing halides
    • C01B9/08—Fluorides
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
GB10047/76A 1975-03-14 1976-03-12 Method of recovery fluorine compounds from vapour of crude phosphoric acid solution Expired GB1502703A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50030236A JPS51105997A (en) 1975-03-14 1975-03-14 Rinsanekinogenatsujohatsu niokeru futsukabutsuganjujoki no shorihoho

Publications (1)

Publication Number Publication Date
GB1502703A true GB1502703A (en) 1978-03-01

Family

ID=12298069

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10047/76A Expired GB1502703A (en) 1975-03-14 1976-03-12 Method of recovery fluorine compounds from vapour of crude phosphoric acid solution

Country Status (6)

Country Link
US (1) US4106918A (enExample)
JP (1) JPS51105997A (enExample)
BE (1) BE839534A (enExample)
DE (1) DE2610810C3 (enExample)
FR (1) FR2303762A1 (enExample)
GB (1) GB1502703A (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2904547B1 (de) * 1979-02-07 1980-06-26 Basf Ag Verfahren zur Abtrennung von Fluorverbindungen aus den Brueden der Phosphorsaeureeindampfung
US4269609A (en) * 1980-01-31 1981-05-26 Basf Aktiengesellschaft Isolating fluorine compounds from the vapors obtained when evaporatively concentrating phosphoric acid
JPS60198394A (ja) * 1984-03-21 1985-10-07 Anelva Corp 真空処理装置の排気装置
GB2227682B (en) * 1989-02-01 1992-06-10 Autostills Water distillation apparatus
US6179901B1 (en) * 1999-06-14 2001-01-30 Louis J. Lamb Apparatus and method for producing HF from phosphate rock
US6962679B2 (en) * 2001-07-11 2005-11-08 Battelle Memorial Institute Processes and apparatuses for treating halogen-containing gases
GB0207284D0 (en) * 2002-03-27 2002-05-08 Boc Group Plc Semiconductor exhaust gas treatment
CN107792830A (zh) * 2016-08-29 2018-03-13 李春鑫 一种节能的海水提溴工艺

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2929690A (en) * 1956-04-27 1960-03-22 Whiting Corp Apparatus for removing impurities from vapors released in evaporation process
US2933372A (en) * 1956-11-02 1960-04-19 Int Minerals & Chem Corp Method of defluorinating phosphatic material
US3219410A (en) 1962-05-23 1965-11-23 Hooker Chemical Corp Method for recovering hydrogen fluoride from waste gases
US3256062A (en) * 1962-06-14 1966-06-14 Hooker Chemical Corp Process for separating and concentrating fluorine values
GB1212182A (en) 1966-11-07 1970-11-11 Du Pont Canada Pressure balanced annular extrusion die
FR1524319A (fr) * 1967-03-30 1968-05-10 Houilleres Bassin Du Nord Procédé de déshydratation de l'acide maléique en anhydride
US3534562A (en) * 1967-04-14 1970-10-20 Koninklujke Nl Zout Ind Nv Method of liquefying gaseous chlorine containing water vapour
US3615195A (en) * 1968-12-11 1971-10-26 Simplot Co J R Fluosilic acid recovery
US3713786A (en) * 1971-12-06 1973-01-30 New Jersey Zinc Co Evaporative sulfuric acid recovery from sulfuric acids containing sulfates
US3852050A (en) * 1972-11-15 1974-12-03 Fmc Corp Process for recovering phosphorus
US3811246A (en) * 1973-01-16 1974-05-21 W Erickson Closed loop system for the elimination of fluorine pollution from phosphoric plants
US4011301A (en) * 1975-10-23 1977-03-08 Union Oil Company Of California Ammonium phosphate production and the reduction of fluorine and silicon emissions

Also Published As

Publication number Publication date
DE2610810A1 (de) 1976-09-23
FR2303762B1 (enExample) 1981-06-19
DE2610810C3 (de) 1980-08-14
FR2303762A1 (fr) 1976-10-08
US4106918A (en) 1978-08-15
JPS51105997A (en) 1976-09-20
BE839534A (enExample) 1976-07-01
DE2610810B2 (de) 1979-12-06
JPS5413236B2 (enExample) 1979-05-29

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee