SE439151B - Forfarande for utvinning resp atervinning av fluorvetesyra - Google Patents
Forfarande for utvinning resp atervinning av fluorvetesyraInfo
- Publication number
- SE439151B SE439151B SE8004452A SE8004452A SE439151B SE 439151 B SE439151 B SE 439151B SE 8004452 A SE8004452 A SE 8004452A SE 8004452 A SE8004452 A SE 8004452A SE 439151 B SE439151 B SE 439151B
- Authority
- SE
- Sweden
- Prior art keywords
- recovery
- water vapor
- hydrofluoric acid
- minutes
- acid
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 14
- 238000011084 recovery Methods 0.000 title claims description 11
- 239000002253 acid Substances 0.000 title description 6
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 9
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 7
- 229910001512 metal fluoride Inorganic materials 0.000 claims description 6
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims description 5
- 229910001385 heavy metal Inorganic materials 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 239000003990 capacitor Substances 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 10
- 239000007789 gas Substances 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 238000005554 pickling Methods 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 150000002222 fluorine compounds Chemical class 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 229910052593 corundum Inorganic materials 0.000 description 2
- 239000010431 corundum Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- DDFHBQSCUXNBSA-UHFFFAOYSA-N 5-(5-carboxythiophen-2-yl)thiophene-2-carboxylic acid Chemical compound S1C(C(=O)O)=CC=C1C1=CC=C(C(O)=O)S1 DDFHBQSCUXNBSA-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- LDDQLRUQCUTJBB-UHFFFAOYSA-O azanium;hydrofluoride Chemical compound [NH4+].F LDDQLRUQCUTJBB-UHFFFAOYSA-O 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000010436 fluorite Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- GPGMRSSBVJNWRA-UHFFFAOYSA-N hydrochloride hydrofluoride Chemical compound F.Cl GPGMRSSBVJNWRA-UHFFFAOYSA-N 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- SHXXPRJOPFJRHA-UHFFFAOYSA-K iron(iii) fluoride Chemical compound F[Fe](F)F SHXXPRJOPFJRHA-UHFFFAOYSA-K 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000002594 sorbent Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 210000003708 urethra Anatomy 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/28—Moving reactors, e.g. rotary drums
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/36—Regeneration of waste pickling liquors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00157—Controlling the temperature by means of a burner
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00159—Controlling the temperature controlling multiple zones along the direction of flow, e.g. pre-heating and after-cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00162—Controlling or regulating processes controlling the pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/18—Details relating to the spatial orientation of the reactor
- B01J2219/187—Details relating to the spatial orientation of the reactor inclined at an angle to the horizontal or to the vertical plane
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Extraction Or Liquid Replacement (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT0426779A AT376632B (de) | 1979-06-15 | 1979-06-15 | Verfahren und anlage zur gewinnung bzw. rueckgewinnung von flussaeure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE8004452L SE8004452L (sv) | 1980-12-16 |
| SE439151B true SE439151B (sv) | 1985-06-03 |
Family
ID=3561802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8004452A SE439151B (sv) | 1979-06-15 | 1980-06-16 | Forfarande for utvinning resp atervinning av fluorvetesyra |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4325935A (de) |
| AT (1) | AT376632B (de) |
| DE (1) | DE3021589A1 (de) |
| FR (1) | FR2459201A1 (de) |
| GB (1) | GB2053173A (de) |
| IT (1) | IT1130150B (de) |
| SE (1) | SE439151B (de) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS602248B2 (ja) * | 1980-08-29 | 1985-01-21 | 株式会社西村渡辺抽出研究所 | 鉄イオンの剥離方法 |
| US4753033A (en) * | 1985-03-24 | 1988-06-28 | Williams Technologies, Inc. | Process for producing a clean hydrocarbon fuel from high calcium coal |
| AT395312B (de) * | 1987-06-16 | 1992-11-25 | Andritz Ag Maschf | Verfahren zur gewinnung bzw. rueckgewinnung von saeure aus metallhaltigen loesungen dieser saeure |
| RU2126362C1 (ru) * | 1993-01-21 | 1999-02-20 | Секуйоа Фьюэлз Корпорейшн | Способ восстановления безводного фтористого водорода из обедненного гексафторида урана |
| DE4402028C2 (de) * | 1994-01-25 | 1996-11-28 | Gewerk Keramchemie | Verfahren zur Regenerierung einer verbrauchten, Flußsäure enthaltenden Prozeßlösung |
| AT412001B (de) * | 1995-03-07 | 2004-08-26 | Edv Systemanalyse Und Systemde | Verfahren zur gewinnung bzw. rückgewinnung von säuren |
| AT406168B (de) * | 1998-09-03 | 2000-03-27 | Eurox Eisenoxydproduktions Und | Verfahren zur gewinnung bzw. rückgewinnung von flusssäure und salpetersäure |
| US20100287827A1 (en) * | 2009-05-13 | 2010-11-18 | Chandrashekhar Sonwane | Process for obtaining treated coal and silica from coal containing fly ash |
| US20110078948A1 (en) * | 2009-10-01 | 2011-04-07 | Chandrashekhar Ganpatrao Sonwane | Ash removal from coal: process to avoid large quantities of hydrogen fluoride on-site |
| AT13601U1 (de) | 2012-09-06 | 2014-04-15 | Astec Engineering Gmbh | Reinigung und Entkieselung verbrauchter Säurebeizbäder mittels kombinierter Mikrofiltrationsverfahren |
| AT526794A1 (de) * | 2022-12-20 | 2024-07-15 | Andritz Ag Maschf | Verfahren zur regeneration von saeure |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT8076B (de) | 1900-10-23 | 1902-06-25 | Charles Avery Doremus | Verfahren zur Herstellung von Flussäure aus Kryolith. |
| GB881532A (en) | 1958-11-27 | 1961-11-08 | Atomic Energy Authority Uk | Improvements in or relating to the recovery of hydrogen fluoride from its azeotrope with water |
| FR1271252A (fr) * | 1960-07-29 | 1961-09-08 | Electrochimie Soc | Procédé de pyrohydrolyse |
| FR1272119A (fr) * | 1960-08-10 | 1961-09-22 | Electrochimie Soc | Procédé de récupération de fluor |
| US3511603A (en) * | 1967-12-27 | 1970-05-12 | Ethyl Corp | Preparation of hydrogen fluoride |
| US3852430A (en) * | 1970-05-18 | 1974-12-03 | Sued Chemie Ag | Method for the production of concentrated hydrohalogen acids and metal oxides |
| DE2264062A1 (de) | 1972-12-29 | 1974-07-04 | Lentia Gmbh | Verfahren zur herstellung von fluorwasserstoff |
| FR2249031A1 (en) | 1973-10-29 | 1975-05-23 | Inst Teplo I Massoobmena Akade | Processing rock phosphate with plasma jets - to form hydrogen fluoride, phosphorus pentoxide, polyphosphates and nitric acid |
| US3961030A (en) * | 1974-08-12 | 1976-06-01 | Freeport Minerals Company | Production of alumina from ores |
| AT341819B (de) * | 1976-01-08 | 1977-06-15 | Wolf Johann Gmbh Kg | Spaltenboden |
-
1979
- 1979-06-15 AT AT0426779A patent/AT376632B/de not_active IP Right Cessation
-
1980
- 1980-06-09 DE DE3021589A patent/DE3021589A1/de not_active Withdrawn
- 1980-06-12 GB GB8019262A patent/GB2053173A/en not_active Withdrawn
- 1980-06-13 IT IT67922/80A patent/IT1130150B/it active
- 1980-06-13 FR FR8013203A patent/FR2459201A1/fr active Granted
- 1980-06-13 US US06/159,452 patent/US4325935A/en not_active Expired - Lifetime
- 1980-06-16 SE SE8004452A patent/SE439151B/sv not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| SE8004452L (sv) | 1980-12-16 |
| IT1130150B (it) | 1986-06-11 |
| AT376632B (de) | 1984-12-10 |
| FR2459201B3 (de) | 1982-04-23 |
| IT8067922A0 (it) | 1980-06-13 |
| GB2053173A (en) | 1981-02-04 |
| FR2459201A1 (fr) | 1981-01-09 |
| US4325935A (en) | 1982-04-20 |
| ATA426779A (de) | 1984-05-15 |
| DE3021589A1 (de) | 1980-12-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
Ref document number: 8004452-2 Effective date: 19900620 Format of ref document f/p: F |