ZA200205144B - Regenerating spent pickling liquor. - Google Patents
Regenerating spent pickling liquor.Info
- Publication number
- ZA200205144B ZA200205144B ZA200205144A ZA200205144A ZA200205144B ZA 200205144 B ZA200205144 B ZA 200205144B ZA 200205144 A ZA200205144 A ZA 200205144A ZA 200205144 A ZA200205144 A ZA 200205144A ZA 200205144 B ZA200205144 B ZA 200205144B
- Authority
- ZA
- South Africa
- Prior art keywords
- pickling liquor
- regenerating spent
- spent pickling
- regenerating
- liquor
- 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
-
- 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
- C01B7/01—Chlorine; Hydrogen chloride
- C01B7/03—Preparation from chlorides
- C01B7/035—Preparation of hydrogen chloride from chlorides
-
- 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
- C01B7/01—Chlorine; Hydrogen chloride
- C01B7/07—Purification ; Separation
- C01B7/0706—Purification ; Separation of hydrogen chloride
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/14—Sulfates
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material 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)
- ing And Chemical Polishing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17452200P | 2000-01-05 | 2000-01-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA200205144B true ZA200205144B (en) | 2003-10-31 |
Family
ID=22636475
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA200205144A ZA200205144B (en) | 2000-01-05 | 2001-01-04 | Regenerating spent pickling liquor. |
Country Status (7)
Country | Link |
---|---|
US (2) | US20020005210A1 (fr) |
EP (1) | EP1244825A1 (fr) |
AU (1) | AU3086601A (fr) |
CA (1) | CA2396452A1 (fr) |
MX (1) | MXPA02006680A (fr) |
WO (1) | WO2001049901A1 (fr) |
ZA (1) | ZA200205144B (fr) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE370097T1 (de) * | 2003-10-06 | 2007-09-15 | Kerr Mcgee Pigments Gmbh | Verfahren zur aufarbeitung eisenbelasteter gebrauchtschwefelsäure |
ES2239900B1 (es) * | 2004-03-22 | 2006-07-01 | Condorchem Iberica, S.L. | Proceso de recuperacion de acido clorhidrico de baños agotados de decapado de metales mediante la sustitucion por desplazamiento con acido sulfurico produciendo sulfatos de hierro y de cinc. |
DE102004016793A1 (de) * | 2004-04-06 | 2005-11-03 | Kerr-Mcgee Pigments Gmbh | Verfahren zur Aufarbeitung von Eisenchloriden und/oder eisenchloridhaltigen Lösungen sowie Verwendung von dabei entstehender Eisensulfatlösung |
EP1609760A1 (fr) * | 2004-06-22 | 2005-12-28 | Alexander Kehrmann | Procédé de préparation de sulfate de fer(II) heptahydraté |
FI120682B (fi) * | 2006-11-30 | 2010-01-29 | Kemira Oyj | Menetelmä suolahapon talteenottamiseksi rautakloridiliuoksesta |
ITVI20090126A1 (it) * | 2009-06-03 | 2010-12-04 | Ekipo S R L | Processo di rigenerazione di bagni di strippaggio di zinco e decapaggio di ferro con recupero di acido cloridrico e produzione di solfato di zinco e solfato di ferro |
IL200860A (en) | 2009-09-10 | 2015-07-30 | Green Future Ltd | Galvanic wastewater treatment and the production of iron oxide sized nanoparticles |
EP3134559A4 (fr) | 2014-04-22 | 2018-04-04 | Green Future Ltd. | Procédé et formulations pour éliminer la rouille et le tartre de l'acier et pour régénérer la liqueur de décapage dans des procédés de galvanisation par immersion à chaud |
CN110065930A (zh) * | 2019-05-30 | 2019-07-30 | 李永飞 | 钢材酸洗废液的回收再利用方法及回收再利用装置 |
WO2021074904A1 (fr) * | 2019-10-18 | 2021-04-22 | Nuvest Recovery Solutions (Pty) Ltd | Procédé de régénération d'eaux mères de décapage d'acide chlorhydrique |
IT202000005848A1 (it) * | 2020-03-19 | 2021-09-19 | Tenova Spa | Processo per decapare e/o passivare un acciaio inossidabile. |
CN114380317B (zh) * | 2021-10-24 | 2023-10-24 | 崇义章源钨业股份有限公司 | 一种从酸浸液中回收硫酸钙以循环利用盐酸的方法 |
CN115140711A (zh) * | 2022-07-06 | 2022-10-04 | 北京水木方科技有限公司 | 一种含铁废盐酸用硫酸再生盐酸的方法 |
CN115304267A (zh) * | 2022-08-19 | 2022-11-08 | 陕西合兴硅砂有限公司 | 一种光伏玻璃用石英砂酸洗液的回收方法 |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1012138B (de) * | 1953-02-16 | 1957-07-11 | Ruthner Othmar | Verfahren und Vorrichtung zum Beizen von Metallen, insbesondere Eisen und Stahl, unter gleichzeitiger Rueckgewinnung der Beizsaeure |
US2880062A (en) * | 1957-01-16 | 1959-03-31 | Puriron And Chemicals Inc | Production of ferrous sulfate |
GB887975A (en) * | 1958-06-13 | 1962-01-24 | Metalurski Inst | Method of regenerating spent liquors produced in the pickling of iron or steel products |
US2993757A (en) * | 1958-07-07 | 1961-07-25 | Crucible Steel Co America | Process for recovering acid values from mixed acid waste |
GB1102463A (en) * | 1963-12-13 | 1968-02-07 | Molbros Ltd | Improvements in or relating to a process for the treatment of spent acid liquors |
US3423240A (en) * | 1965-08-19 | 1969-01-21 | Ford Motor Co | Pickling process |
US3635664A (en) * | 1969-08-20 | 1972-01-18 | Daido Chem Eng Corp | REGENERATION OF HYDROCHLORIC ACID PICKLING WASTE BY H{11 SO{11 {0 ADDITION, DISTILLATION AND FeSO{11 {0 Precipitation |
US3712940A (en) * | 1970-11-24 | 1973-01-23 | Wire Sales Co | Method for eliminating dumping of waste pickle liquor and conversion thereof into useful products |
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 |
CA956553A (en) * | 1972-11-14 | 1974-10-22 | K.S.F. Chemical Processes Ltd. | Pickling and pickle liquor recovery process |
JPS5110198A (fr) * | 1974-07-15 | 1976-01-27 | Toda Kogyo Corp | |
AT335251B (de) * | 1975-03-10 | 1977-03-10 | Ruthner Industrieanlagen Ag | Verfahren und vorrichtung zur wiedergewinnung von salpetersaure und flusssaure aus losungen |
FR2337691A1 (fr) * | 1976-01-09 | 1977-08-05 | Asturienne Mines Comp Royale | Procede de valorisation de solution aqueuse de chlorures de fer |
US4113588A (en) * | 1976-03-09 | 1978-09-12 | Solex Research Corporation Of Japan | Process for recovery of waste H2 SO4 and HCl |
US4177119A (en) * | 1976-03-09 | 1979-12-04 | Solex Research Corporation | Process for recovery of waste H2 SO4 and HCl |
US4210502A (en) * | 1976-03-09 | 1980-07-01 | Solex Research Corporation Of Japan | Process for recovery of waste H2 SO4 and HCl |
AU512846B2 (en) * | 1976-07-02 | 1980-10-30 | Toledo Pickling and Steel Service, Inc | System for the regeneration of waste hydrochloric acid pickle liquor |
US4197139A (en) * | 1978-08-23 | 1980-04-08 | Hjersted Norman B | Process for the reclamation of acid from spent pickle liquor |
ATE7050T1 (de) * | 1980-01-18 | 1984-04-15 | Boliden Aktiebolag | Verfahren zur regenerierung von beizloesungen. |
US4382916A (en) * | 1981-10-07 | 1983-05-10 | Voss Steel Corporation | Method of preparing hydrochloric acid and high purity ferrous sulfate hydrate crystals from hydrochloric acid waste pickle liquor |
CA1303815C (fr) * | 1987-06-30 | 1992-06-23 | Solex Research Corporation Of Japan | Methode de neutralisation de l'acide sulfurique contenant des ions de fer |
US5057290A (en) * | 1990-04-23 | 1991-10-15 | Peterson Joseph C | Process and apparatus for the low temperature recovery of ferrous chloride from spent hydrochloric acid pickle liquors |
DE4122920A1 (de) * | 1991-07-11 | 1993-01-14 | Gottfried Von Czarnowski | Verfahren zum regenerieren salzsaurer beizloesungen |
US5417955A (en) * | 1994-03-01 | 1995-05-23 | Connolly; David W. | Manufacture of ferric sulfate and hydrochloric acid from ferrous chloride |
US5401485A (en) * | 1994-03-15 | 1995-03-28 | Shell Oil Company | Reduction of residual chloride in iron oxides |
JP3459863B2 (ja) * | 1996-10-24 | 2003-10-27 | 日鉄鉱業株式会社 | 廃塩酸の処理方法 |
-
2000
- 2000-12-19 US US09/740,465 patent/US20020005210A1/en not_active Abandoned
-
2001
- 2001-01-04 CA CA002396452A patent/CA2396452A1/fr not_active Abandoned
- 2001-01-04 WO PCT/US2001/000480 patent/WO2001049901A1/fr not_active Application Discontinuation
- 2001-01-04 ZA ZA200205144A patent/ZA200205144B/xx unknown
- 2001-01-04 EP EP01902990A patent/EP1244825A1/fr not_active Withdrawn
- 2001-01-04 AU AU30866/01A patent/AU3086601A/en not_active Abandoned
- 2001-01-04 MX MXPA02006680A patent/MXPA02006680A/es unknown
-
2002
- 2002-09-17 US US10/245,418 patent/US20030026746A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP1244825A1 (fr) | 2002-10-02 |
MXPA02006680A (es) | 2002-09-30 |
WO2001049901A1 (fr) | 2001-07-12 |
US20020005210A1 (en) | 2002-01-17 |
US20030026746A1 (en) | 2003-02-06 |
CA2396452A1 (fr) | 2001-07-12 |
AU3086601A (en) | 2001-07-16 |
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