SE7602662L - Forfarande och anordning for atergivning av salpetersyra och fluorvetesyra ur losningar - Google Patents
Forfarande och anordning for atergivning av salpetersyra och fluorvetesyra ur losningarInfo
- Publication number
- SE7602662L SE7602662L SE7602662A SE7602662A SE7602662L SE 7602662 L SE7602662 L SE 7602662L SE 7602662 A SE7602662 A SE 7602662A SE 7602662 A SE7602662 A SE 7602662A SE 7602662 L SE7602662 L SE 7602662L
- Authority
- SE
- Sweden
- Prior art keywords
- acid
- solutions
- concentrate
- pickling
- salphatic
- Prior art date
Links
- 239000002253 acid Substances 0.000 title 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 4
- 238000005554 pickling Methods 0.000 abstract 4
- 239000012141 concentrate Substances 0.000 abstract 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 abstract 2
- 229910052742 iron Inorganic materials 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 2
- 229910052751 metal Inorganic materials 0.000 abstract 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 239000000956 alloy Substances 0.000 abstract 1
- 229910045601 alloy Inorganic materials 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 238000002425 crystallisation Methods 0.000 abstract 1
- 230000008025 crystallization Effects 0.000 abstract 1
- 150000002739 metals Chemical class 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000012452 mother liquor Substances 0.000 abstract 1
- 229910017604 nitric acid Inorganic materials 0.000 abstract 1
- 239000002244 precipitate Substances 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
- C01B21/38—Nitric acid
- C01B21/46—Purification; Separation ; Stabilisation
-
- 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
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S423/00—Chemistry of inorganic compounds
- Y10S423/01—Waste acid containing iron
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT182675A AT335251B (de) | 1975-03-10 | 1975-03-10 | Verfahren und vorrichtung zur wiedergewinnung von salpetersaure und flusssaure aus losungen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7602662L true SE7602662L (sv) | 1976-09-13 |
| SE436578B SE436578B (sv) | 1985-01-07 |
Family
ID=3521824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7602662A SE436578B (sv) | 1975-03-10 | 1976-02-27 | Forfarande och anordning for atervinning av salpetersyra och fluorvetesyra ur anvenda betningsvetskor |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4144092A (sv) |
| JP (1) | JPS5823473B2 (sv) |
| AT (1) | AT335251B (sv) |
| DE (2) | DE7607063U1 (sv) |
| FR (1) | FR2303761A1 (sv) |
| GB (1) | GB1516455A (sv) |
| IT (1) | IT1062445B (sv) |
| SE (1) | SE436578B (sv) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4197139A (en) * | 1978-08-23 | 1980-04-08 | Hjersted Norman B | Process for the reclamation of acid from spent pickle liquor |
| FI58519C (fi) * | 1978-12-07 | 1981-02-10 | Rosenlew Ab Oy W | Foerfarande foer regenerering av betningssyror |
| US4484961A (en) * | 1981-10-26 | 1984-11-27 | Textron, Inc. | Preparation and purification of N2 O4 containing rocket propellant oxidizer |
| AT374508B (de) * | 1982-07-01 | 1984-05-10 | Ruthner Industrieanlagen Ag | Verfahren zur aufarbeitung verbrauchter beizoder aetzloesungen auf der basis von salpeter-flussaeure |
| US4572824A (en) * | 1984-11-01 | 1986-02-25 | General Electric Company | Process for recovery of zirconium and acid from spent etching solutions |
| FR2659956B1 (fr) * | 1990-03-21 | 1992-06-26 | Cogema | Procede de traitement d'une solution aqueuse contenant principalement de l'acide nitrique et de l'acide fluorhydrique. |
| US5082523A (en) * | 1990-11-19 | 1992-01-21 | Westinghouse Electric Corp. | Process of regenerating spent HF-HNO3 pickle acid containing (ZrF6-2 |
| WO1996039358A1 (en) * | 1995-06-05 | 1996-12-12 | Startec Ventures, Inc. | Point-of-use ammonia purification for electronic component manufacture |
| FR2729676B1 (fr) * | 1995-01-24 | 1997-04-11 | Zircotube | Procede et dispositif de regeneration d'une solution usagee de decapage d'elements en alliage de zirconium |
| AT412001B (de) * | 1995-03-07 | 2004-08-26 | Edv Systemanalyse Und Systemde | Verfahren zur gewinnung bzw. rückgewinnung von säuren |
| EP0835333B9 (en) * | 1996-04-29 | 2003-10-22 | Ki Won Lee | Pickling solution used for removing scales on iron-based alloys |
| US6214173B1 (en) | 1996-06-05 | 2001-04-10 | Air Liquide Electronics Chemicals & Services, Inc. | On-site manufacture of ultra-high-purity nitric acid |
| AT406168B (de) * | 1998-09-03 | 2000-03-27 | Eurox Eisenoxydproduktions Und | Verfahren zur gewinnung bzw. rückgewinnung von flusssäure und salpetersäure |
| AT407757B (de) * | 1999-03-22 | 2001-06-25 | Andritz Patentverwaltung | Verfahren zur rückgewinnung von säuren aus metallhaltigen lösungen dieser säuren |
| US20020005210A1 (en) * | 2000-01-05 | 2002-01-17 | Olsen Douglas R. | Regenerating spent pickling liquor |
| FR2874220B1 (fr) * | 2004-08-10 | 2007-07-06 | Snecma Moteurs Sa | Procede de regeneration des acides d'usinage chimique, installation pour la mise en oeuvre du procede et procede d'usinage chimique associe. |
| US8795620B2 (en) * | 2011-02-15 | 2014-08-05 | Ati Properties, Inc. | Systems and methods for recovering nitric acid from pickling solutions |
| CN109553152B (zh) * | 2018-11-30 | 2021-09-10 | 中冶南方工程技术有限公司 | 一种不锈钢混酸废液再生酸工艺 |
| CN113072233B (zh) * | 2021-04-12 | 2023-03-17 | 大同氢都驰拓新能源有限公司 | 一种用于处理石墨提纯的酸性废水的处理方法 |
| CN114433541A (zh) * | 2021-12-27 | 2022-05-06 | 张家港博佑光电科技有限公司 | 一种石墨舟清洗工艺 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2017773A (en) * | 1932-08-02 | 1935-10-15 | Noah B Smith | Process of recovering waste pickling solutions |
| US3048503A (en) * | 1958-06-19 | 1962-08-07 | Crucible Steel Co America | Pickling apparatus and method |
| US2993757A (en) * | 1958-07-07 | 1961-07-25 | Crucible Steel Co America | Process for recovering acid values from mixed acid waste |
| FR1452865A (fr) * | 1965-08-04 | 1966-04-15 | Kestner App Evaporateurs | Procédé de régénération continue de bains de décapage à l'acide chlorhydrique, pour pièces en métaux ferreux |
| US3840646A (en) * | 1972-05-17 | 1974-10-08 | Fuji Kasui Eng Co Ltd | Process for recovering nitric acid from waste pickle liquor solution |
-
1975
- 1975-03-10 AT AT182675A patent/AT335251B/de not_active IP Right Cessation
-
1976
- 1976-02-27 SE SE7602662A patent/SE436578B/sv not_active IP Right Cessation
- 1976-03-08 FR FR7606554A patent/FR2303761A1/fr active Granted
- 1976-03-09 DE DE7607063U patent/DE7607063U1/de not_active Expired
- 1976-03-09 DE DE2609629A patent/DE2609629C2/de not_active Expired
- 1976-03-10 IT IT21064/76A patent/IT1062445B/it active
- 1976-03-10 JP JP51025186A patent/JPS5823473B2/ja not_active Expired
- 1976-03-10 GB GB9608/76A patent/GB1516455A/en not_active Expired
-
1978
- 1978-01-05 US US05/867,096 patent/US4144092A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US4144092A (en) | 1979-03-13 |
| DE2609629A1 (de) | 1976-09-16 |
| DE7607063U1 (de) | 1977-09-29 |
| ATA182675A (de) | 1976-06-15 |
| GB1516455A (en) | 1978-07-05 |
| AT335251B (de) | 1977-03-10 |
| JPS5823473B2 (ja) | 1983-05-16 |
| DE2609629C2 (de) | 1986-10-23 |
| SE436578B (sv) | 1985-01-07 |
| JPS51112796A (en) | 1976-10-05 |
| FR2303761A1 (fr) | 1976-10-08 |
| FR2303761B1 (sv) | 1980-02-08 |
| IT1062445B (it) | 1984-10-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
Ref document number: 7602662-4 Effective date: 19900131 Format of ref document f/p: F |