DE3163015D1 - A method of regenerating pickling solutions - Google Patents
A method of regenerating pickling solutionsInfo
- Publication number
- DE3163015D1 DE3163015D1 DE8181850009T DE3163015T DE3163015D1 DE 3163015 D1 DE3163015 D1 DE 3163015D1 DE 8181850009 T DE8181850009 T DE 8181850009T DE 3163015 T DE3163015 T DE 3163015T DE 3163015 D1 DE3163015 D1 DE 3163015D1
- Authority
- DE
- Germany
- Prior art keywords
- solution
- acid
- iron
- pickling
- stage
- 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
Links
- 238000005554 pickling Methods 0.000 title abstract 5
- 238000000034 method Methods 0.000 title abstract 4
- 230000001172 regenerating effect Effects 0.000 title abstract 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 4
- 239000002253 acid Substances 0.000 abstract 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 abstract 2
- 238000001816 cooling Methods 0.000 abstract 2
- 229910052742 iron Inorganic materials 0.000 abstract 2
- 159000000014 iron salts Chemical class 0.000 abstract 2
- 229910000640 Fe alloy Inorganic materials 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 abstract 1
- 238000002425 crystallisation Methods 0.000 abstract 1
- 230000008025 crystallization Effects 0.000 abstract 1
- 150000002505 iron Chemical class 0.000 abstract 1
- 239000002244 precipitate Substances 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- 239000001117 sulphuric acid Substances 0.000 abstract 1
- 235000011149 sulphuric acid Nutrition 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
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)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Television Signal Processing For Recording (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8000444 | 1980-01-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE3163015D1 true DE3163015D1 (en) | 1984-05-17 |
Family
ID=20340024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE8181850009T Expired DE3163015D1 (en) | 1980-01-18 | 1981-01-16 | A method of regenerating pickling solutions |
Country Status (6)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3422284A1 (de) * | 1983-08-17 | 1985-03-07 | Georg Fischer AG, Schaffhausen, CH, Niederlassung: Georg Fischer AG, 7700 Singen | Verbindungsglied, insbesondere pleuel oder schaekel |
| SE452481B (sv) * | 1985-03-19 | 1987-11-30 | Korrosionsforskning Ab | Forfarande for regenerering av betbad samt regenererbar losning for betning av jern- och stalforemal |
| NL9302035A (nl) * | 1993-11-24 | 1995-06-16 | Piet De Vries | Beitswerkwijze en een inrichting daarvoor. |
| US5591527A (en) * | 1994-11-02 | 1997-01-07 | Minnesota Mining And Manufacturing Company | Optical security articles and methods for making same |
| US20020005210A1 (en) * | 2000-01-05 | 2002-01-17 | Olsen Douglas R. | Regenerating spent pickling liquor |
| EP1522522B2 (de) * | 2003-10-06 | 2012-03-07 | Kerr-McGee Pigments GmbH | Verfahren zur Aufarbeitung eisenbelasteter Gebrauchtschwefelsäure |
| CN103014737A (zh) * | 2011-09-22 | 2013-04-03 | 河南红日锂能源科技有限公司 | 一种冷轧钢酸洗废酸处理方法 |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU152603A3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1900-01-01 | |||
| US1279331A (en) * | 1918-05-11 | 1918-09-17 | James H Gravell | Pickling iron and steel. |
| US1589610A (en) * | 1925-07-08 | 1926-06-22 | American Copperas Company | Method of reclaiming spent pickling solutions |
| DE561514C (de) * | 1929-10-22 | 1932-10-14 | Ferdinand Fraensemeier | Verfahren zur Behandlung schwefelsaurer Eisenbeizablaugen mit Gewinnung von wasserarmem Eisensulfat |
| FR723484A (fr) * | 1931-08-03 | 1932-04-09 | Zahn & Co G M B H | Procédé d'utilisation, en cycle continu, des lessives de décapage à acide sulfurique avec récupération de l'acide sulfurique libre des solutions de décapage finales |
| US2118802A (en) * | 1936-01-30 | 1938-05-31 | Zahn & Co G M B H | Method of conserving pickling liquor |
| US2155854A (en) * | 1937-05-26 | 1939-04-25 | American Rolling Mill Co | Pickling process |
| US2559445A (en) * | 1946-12-12 | 1951-07-03 | Union Switch & Signal Co | Method for removing scale from steel |
| BE483353A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1947-06-25 | |||
| BE518181A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1952-03-13 | |||
| DE1124781B (de) * | 1958-03-31 | 1962-03-01 | Peter Niedner Dipl Ing | Verfahren zum Aufarbeiten von schwefelsauren Eisenbeizlaugen |
| AT247104B (de) * | 1963-09-02 | 1966-05-25 | Othmar Ing Ruthner | Verfahren zum Regenerieren salzsaurer Eisenbeizen |
| GB1102463A (en) * | 1963-12-13 | 1968-02-07 | Molbros Ltd | Improvements in or relating to a process for the treatment of spent acid liquors |
| DE1621580A1 (de) * | 1966-07-14 | 1971-05-13 | Gewerk Keramchemie | Verfahren und Vorrichtung zur kontinuierlichen Ausscheidung des Eisens aus schwefelsauren Beizbaedern |
| 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 |
| DE2209954A1 (de) * | 1972-03-02 | 1973-09-06 | Helmut Babbel | Verfahren und vorrichtung zur aufbereitung einer abfallbeize |
-
1981
- 1981-01-16 JP JP50046081A patent/JPS56501886A/ja active Pending
- 1981-01-16 DE DE8181850009T patent/DE3163015D1/de not_active Expired
- 1981-01-16 AT AT81850009T patent/ATE7050T1/de not_active IP Right Cessation
- 1981-01-16 WO PCT/SE1981/000007 patent/WO1981002026A1/en active IP Right Grant
- 1981-01-16 EP EP81850009A patent/EP0032886B1/en not_active Expired
- 1981-09-10 FI FI812817A patent/FI68668C/fi not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP0032886B1 (en) | 1984-04-11 |
| WO1981002026A1 (en) | 1981-07-23 |
| EP0032886A1 (en) | 1981-07-29 |
| ATE7050T1 (de) | 1984-04-15 |
| FI68668C (fi) | 1985-10-10 |
| FI68668B (fi) | 1985-06-28 |
| FI812817L (fi) | 1981-09-10 |
| JPS56501886A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1981-12-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8339 | Ceased/non-payment of the annual fee |