ES337289A1 - Procedimiento para decapar hierro y acero en solucion sul- furica. - Google Patents
Procedimiento para decapar hierro y acero en solucion sul- furica.Info
- Publication number
- ES337289A1 ES337289A1 ES337289A ES337289A ES337289A1 ES 337289 A1 ES337289 A1 ES 337289A1 ES 337289 A ES337289 A ES 337289A ES 337289 A ES337289 A ES 337289A ES 337289 A1 ES337289 A1 ES 337289A1
- Authority
- ES
- Spain
- Prior art keywords
- solution
- ferrous sulphate
- acid
- replenished
- returned
- 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
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
- C01B17/00—Sulfur; Compounds thereof
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/90—Separation; Purification
- C01B17/901—Recovery from spent acids containing metallic ions, e.g. hydrolysis acids, pickling acids
-
- 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)
- Removal Of Specific Substances (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA953324 | 1966-02-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES337289A1 true ES337289A1 (es) | 1968-02-01 |
Family
ID=4142463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES337289A Expired ES337289A1 (es) | 1966-02-26 | 1967-02-25 | Procedimiento para decapar hierro y acero en solucion sul- furica. |
Country Status (9)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE8501990D0 (sv) * | 1985-04-24 | 1985-04-24 | Pharmacia Ab | Beleggningsforfarande |
| US4899798A (en) * | 1988-11-28 | 1990-02-13 | Southwire Company | Method of and apparatus for recovering and reusing organic pickling vapors |
| FI119248B (fi) * | 2001-03-09 | 2008-09-15 | Metso Paper Inc | Prosessi ja laitteisto metallikappaleen peittaamiseksi hitsauksen jälkeen |
| EP1609760A1 (de) * | 2004-06-22 | 2005-12-28 | Alexander Kehrmann | Verfahren zur Gewinnung von Eisen(II)sulfatheptahydrat |
| CN110029352A (zh) * | 2018-03-08 | 2019-07-19 | 叶涛 | 一种金属制件的环保酸洗剂及其使用方法 |
| CN112939271A (zh) * | 2021-01-29 | 2021-06-11 | 天津市华旺钢管制造有限公司 | 一种带钢酸洗后水洗液循环利用装置 |
| CN114772611B (zh) * | 2022-03-18 | 2023-10-27 | 宣化钢铁集团有限责任公司 | 一种含氨酸汽制取硫酸铵的生产系统及方法 |
-
1967
- 1967-02-02 GB GB504667A patent/GB1121809A/en not_active Expired
- 1967-02-16 FI FI46567A patent/FI45867C/fi not_active Application Discontinuation
- 1967-02-22 FR FR95981A patent/FR1512134A/fr not_active Expired
- 1967-02-22 JP JP1096267A patent/JPS5020009B1/ja active Pending
- 1967-02-23 NO NO16698967A patent/NO118639B/no unknown
- 1967-02-23 SE SE248367A patent/SE315464B/xx unknown
- 1967-02-24 DE DE19671621609 patent/DE1621609A1/de not_active Ceased
- 1967-02-24 BE BE694575D patent/BE694575A/xx unknown
- 1967-02-25 ES ES337289A patent/ES337289A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1121809A (en) | 1968-07-31 |
| NO118639B (US07714131-20100511-C00038.png) | 1970-01-19 |
| FI45867C (fi) | 1972-10-10 |
| FR1512134A (fr) | 1968-02-02 |
| JPS5020009B1 (US07714131-20100511-C00038.png) | 1975-07-11 |
| SE315464B (US07714131-20100511-C00038.png) | 1969-09-29 |
| FI45867B (US07714131-20100511-C00038.png) | 1972-06-30 |
| DE1621609A1 (de) | 1971-05-27 |
| BE694575A (US07714131-20100511-C00038.png) | 1967-07-31 |
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| Publication | Publication Date | Title |
|---|---|---|
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| GB735426A (en) | Improvements in or relating to the pickling of ferrous metals | |
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| GB910356A (en) | Method of automatically controlling a sulphuric acid treatment plant for ferrous materials | |
| DE4122920A1 (de) | Verfahren zum regenerieren salzsaurer beizloesungen | |
| GB522177A (en) | Improvements relating to removing scale from metal | |
| US2087230A (en) | Method for regenerating phosphoric pickling bath | |
| FR2424962A1 (fr) | Procede de recuperation de metaux non-ferreux par traitement thermique de solution contenant des sulfates de ces metaux et de fer | |
| US1326585A (en) | Process of removing scale oxid from the surface of iron and steel. | |
| GB931003A (en) | Process for treating metal articles | |
| GB750496A (en) | Improvements in or relating to spent pickling acids | |
| GB895480A (en) | Method of removing the scale formed in the hot-working of iron and steel | |
| GB1077359A (en) | Method for the regeneration of spent pickle liquor | |
| Elliott | Regeneration of steelworks hydrochloric acid pickle liquor | |
| GB1218762A (en) | Process for utilization of spent pickle liquor and flue dust | |
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| GB638321A (en) | A process for the electrolytic polishing and oxidation of aluminium articles | |
| GB163868A (en) | Improvements in metal pickling or cleaning | |
| GB887975A (en) | Method of regenerating spent liquors produced in the pickling of iron or steel products | |
| GB405902A (en) | Improvements in or relating to the electrolytic deposition of nickel from nickel salt solutions | |
| GB1225103A (US07714131-20100511-C00038.png) |
