FI58519C - Foerfarande foer regenerering av betningssyror - Google Patents
Foerfarande foer regenerering av betningssyror Download PDFInfo
- Publication number
- FI58519C FI58519C FI783773A FI783773A FI58519C FI 58519 C FI58519 C FI 58519C FI 783773 A FI783773 A FI 783773A FI 783773 A FI783773 A FI 783773A FI 58519 C FI58519 C FI 58519C
- Authority
- FI
- Finland
- Prior art keywords
- acid
- sulfuric acid
- condenser
- passed
- column
- Prior art date
Links
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
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI783773A FI58519C (fi) | 1978-12-07 | 1978-12-07 | Foerfarande foer regenerering av betningssyror |
GB7941413A GB2036573A (en) | 1978-12-07 | 1979-11-30 | Regeneration of pickling acids |
DE19792948710 DE2948710A1 (de) | 1978-12-07 | 1979-12-04 | Verfahren zum regenerieren von beizsaeure |
FR7930013A FR2443516A1 (fr) | 1978-12-07 | 1979-12-06 | Procede pour regenerer des acides de picklage |
SE7910062A SE7910062L (sv) | 1978-12-07 | 1979-12-06 | Forfarande for regenerering av betningssyror |
AT0773779A AT367102B (de) | 1978-12-07 | 1979-12-06 | Verfahren und vorrichtung zur regenerierung von beizsaeuren |
US06/101,184 US4255407A (en) | 1978-12-07 | 1979-12-07 | Method for the regeneration of pickling acids |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI783773A FI58519C (fi) | 1978-12-07 | 1978-12-07 | Foerfarande foer regenerering av betningssyror |
FI783773 | 1978-12-07 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI783773A FI783773A (fi) | 1980-06-08 |
FI58519B FI58519B (fi) | 1980-10-31 |
FI58519C true FI58519C (fi) | 1981-02-10 |
Family
ID=8512211
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI783773A FI58519C (fi) | 1978-12-07 | 1978-12-07 | Foerfarande foer regenerering av betningssyror |
Country Status (7)
Country | Link |
---|---|
US (1) | US4255407A (de) |
AT (1) | AT367102B (de) |
DE (1) | DE2948710A1 (de) |
FI (1) | FI58519C (de) |
FR (1) | FR2443516A1 (de) |
GB (1) | GB2036573A (de) |
SE (1) | SE7910062L (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10526684B2 (en) | 2017-10-20 | 2020-01-07 | Crisolteq Ltd | Process for recovering components from pickling acid residue |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI67409C (fi) * | 1983-01-25 | 1985-03-11 | Outokumpu Oy | Foerfarande foer regenerering av betningssyror |
AT395312B (de) * | 1987-06-16 | 1992-11-25 | Andritz Ag Maschf | Verfahren zur gewinnung bzw. rueckgewinnung von saeure aus metallhaltigen loesungen dieser saeure |
US5219531A (en) * | 1988-04-29 | 1993-06-15 | Atochem | Production of concentrated aqueous solutions of ferric chloride |
US5037545A (en) * | 1989-02-27 | 1991-08-06 | Billmyre Richard D | Liquid recovery system and method |
US4894170A (en) * | 1989-02-27 | 1990-01-16 | Billmyre Richard D | Liquid recovery system and method |
US5076884A (en) * | 1990-07-19 | 1991-12-31 | Westinghouse Electric Corp. | Process of precipitating zirconium or hafnium from spent pickling solutions |
US5500098A (en) * | 1993-08-05 | 1996-03-19 | Eco-Tec Limited | Process for regeneration of volatile acids |
US5417955A (en) * | 1994-03-01 | 1995-05-23 | Connolly; David W. | Manufacture of ferric sulfate and hydrochloric acid from ferrous chloride |
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 |
AT403665B (de) * | 1996-10-30 | 1998-04-27 | Andritz Patentverwaltung | Verfahren und anlage zur abscheidung feinster oxidteilchen |
AT407757B (de) * | 1999-03-22 | 2001-06-25 | Andritz Patentverwaltung | Verfahren zur rückgewinnung von säuren aus metallhaltigen lösungen dieser säuren |
US20040094236A1 (en) * | 2002-11-14 | 2004-05-20 | Crown Technology, Inc. | Methods for passivating stainless steel |
IT1393792B1 (it) * | 2008-11-06 | 2012-05-08 | Condoroil Impianti Srl | Recupero di metalli e acidi da soluzioni esauste di decapaggio e/o da fanghi di neutralizzazione |
IL200860A (en) | 2009-09-10 | 2015-07-30 | Green Future Ltd | Galvanic wastewater treatment and the production of iron oxide sized nanoparticles |
CN104512870B (zh) * | 2013-10-07 | 2016-08-10 | 东莞市东旺化玻仪器有限公司 | 电镀挂具勾脱重金属废硝酸回用装置以及回用方法 |
CN106460137B (zh) | 2014-04-22 | 2019-08-16 | 泰尔生态有限公司 | 用于在热浸镀锌工艺中从钢去除锈和氧化皮以及用于使酸洗液再生的方法和制剂 |
CN107419284A (zh) * | 2017-09-18 | 2017-12-01 | 滁州富达机械电子有限公司 | 一种应用于金属酸洗废气温度补偿净化收集系统 |
FI129345B (en) | 2019-12-19 | 2021-12-15 | Crisolteq Ltd | A method for treating a pickling acid regeneration precipitate |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1832853A (en) * | 1928-10-26 | 1931-11-24 | Hercules Powder Co Ltd | Method and apparatus for denitrating acid mixtures and concentrating acid mixtures |
US2993757A (en) * | 1958-07-07 | 1961-07-25 | Crucible Steel Co America | Process for recovering acid values from mixed acid waste |
DE1182834B (de) * | 1962-12-17 | 1964-12-03 | Robert Von Linde | Verfahren zur Aufarbeitung von Buntmetallabfaellen |
US3787306A (en) * | 1971-10-20 | 1974-01-22 | Cationic Corp | Process for the concurrent recovery of acid and metal values from spent pickle acid containing the same |
US3840646A (en) * | 1972-05-17 | 1974-10-08 | Fuji Kasui Eng Co Ltd | Process for recovering nitric acid from waste pickle liquor solution |
AT335251B (de) * | 1975-03-10 | 1977-03-10 | Ruthner Industrieanlagen Ag | Verfahren und vorrichtung zur wiedergewinnung von salpetersaure und flusssaure aus losungen |
-
1978
- 1978-12-07 FI FI783773A patent/FI58519C/fi not_active IP Right Cessation
-
1979
- 1979-11-30 GB GB7941413A patent/GB2036573A/en not_active Withdrawn
- 1979-12-04 DE DE19792948710 patent/DE2948710A1/de not_active Withdrawn
- 1979-12-06 AT AT0773779A patent/AT367102B/de not_active IP Right Cessation
- 1979-12-06 FR FR7930013A patent/FR2443516A1/fr active Granted
- 1979-12-06 SE SE7910062A patent/SE7910062L/xx not_active Application Discontinuation
- 1979-12-07 US US06/101,184 patent/US4255407A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10526684B2 (en) | 2017-10-20 | 2020-01-07 | Crisolteq Ltd | Process for recovering components from pickling acid residue |
Also Published As
Publication number | Publication date |
---|---|
ATA773779A (de) | 1981-10-15 |
GB2036573A (en) | 1980-07-02 |
US4255407A (en) | 1981-03-10 |
FR2443516A1 (fr) | 1980-07-04 |
FI58519B (fi) | 1980-10-31 |
FI783773A (fi) | 1980-06-08 |
FR2443516B3 (de) | 1982-09-24 |
DE2948710A1 (de) | 1980-06-19 |
AT367102B (de) | 1982-06-11 |
SE7910062L (sv) | 1980-06-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: OY W. ROSENLEW AB |