ATE214436T1 - METHOD FOR PICKLING METAL ALLOYS CONTAINING IRON AND TITANIUM AND ITS ALLOYS - Google Patents
METHOD FOR PICKLING METAL ALLOYS CONTAINING IRON AND TITANIUM AND ITS ALLOYSInfo
- Publication number
- ATE214436T1 ATE214436T1 AT97949093T AT97949093T ATE214436T1 AT E214436 T1 ATE214436 T1 AT E214436T1 AT 97949093 T AT97949093 T AT 97949093T AT 97949093 T AT97949093 T AT 97949093T AT E214436 T1 ATE214436 T1 AT E214436T1
- Authority
- AT
- Austria
- Prior art keywords
- titanium
- alloys
- acid
- containing iron
- pickling
- Prior art date
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title abstract 4
- 238000005554 pickling Methods 0.000 title abstract 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 title abstract 2
- 229910045601 alloy Inorganic materials 0.000 title abstract 2
- 239000000956 alloy Substances 0.000 title abstract 2
- 229910052742 iron Inorganic materials 0.000 title abstract 2
- 229910001092 metal group alloy Inorganic materials 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 239000010936 titanium Substances 0.000 title abstract 2
- 229910052719 titanium Inorganic materials 0.000 title abstract 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 abstract 2
- 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
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 2
- 239000007864 aqueous solution Substances 0.000 abstract 2
- 239000007800 oxidant agent Substances 0.000 abstract 2
- 239000000243 solution Substances 0.000 abstract 2
- 239000001117 sulphuric acid Substances 0.000 abstract 2
- 235000011149 sulphuric acid Nutrition 0.000 abstract 2
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 abstract 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 abstract 1
- LCKIEQZJEYYRIY-UHFFFAOYSA-N Titanium ion Chemical compound [Ti+4] LCKIEQZJEYYRIY-UHFFFAOYSA-N 0.000 abstract 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 abstract 1
- 229910001447 ferric ion Inorganic materials 0.000 abstract 1
- 150000002500 ions Chemical class 0.000 abstract 1
- 229910017604 nitric acid Inorganic materials 0.000 abstract 1
- CMWCOKOTCLFJOP-UHFFFAOYSA-N titanium(3+) Chemical compound [Ti+3] CMWCOKOTCLFJOP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F1/00—Electrolytic cleaning, degreasing, pickling or descaling
- C25F1/02—Pickling; Descaling
- C25F1/04—Pickling; Descaling in solution
- C25F1/06—Iron or steel
-
- 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
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
- C23G1/086—Iron or steel solutions containing HF
-
- 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
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/10—Other heavy metals
- C23G1/106—Other heavy metals refractory metals
-
- 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
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F1/00—Electrolytic cleaning, degreasing, pickling or descaling
- C25F1/02—Pickling; Descaling
- C25F1/04—Pickling; Descaling in solution
- C25F1/08—Refractory metals
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Electrochemistry (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Electrolytic Production Of Metals (AREA)
Abstract
A method for pickling products made of metal alloys containing iron, and products made of titanium and alloys thereof, in the absence of nitric acid as an oxidising agent, characterised by the fact that the product to be pickled is submerged in the anolyte (as the pickling solution) of an electrolytic cell in which the anolyte is made up of an aqueous solution of sulphuric acid, of hydrofluoric acid and optionally of phosphoric acid and hydrochloric acid, and with the catholyte made up of an aqueous solution of sulphuric acid and the oxidising agent in the pickling solution being the ferric ion, or the ions titanium(III) and titanium(IV).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT96RM000849A IT1288407B1 (en) | 1996-12-09 | 1996-12-09 | METHOD FOR PICKLING METAL ALLOY PRODUCTS CONTAINING IRON AND TITANIUM AND ITS ALLOYS |
| PCT/IT1997/000300 WO1998026111A1 (en) | 1996-12-09 | 1997-12-05 | Method for pickling products in a metal alloy containing iron and in titanium and alloys thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE214436T1 true ATE214436T1 (en) | 2002-03-15 |
Family
ID=11404582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT97949093T ATE214436T1 (en) | 1996-12-09 | 1997-12-05 | METHOD FOR PICKLING METAL ALLOYS CONTAINING IRON AND TITANIUM AND ITS ALLOYS |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP0960221B1 (en) |
| AT (1) | ATE214436T1 (en) |
| AU (1) | AU7847898A (en) |
| DE (1) | DE69711090T2 (en) |
| ES (1) | ES2178023T3 (en) |
| IT (1) | IT1288407B1 (en) |
| TW (1) | TW451001B (en) |
| WO (1) | WO1998026111A1 (en) |
| ZA (1) | ZA9710983B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1297076B1 (en) | 1997-11-24 | 1999-08-03 | Acciai Speciali Terni Spa | METHOD FOR PICKLING OF STEEL PRODUCTS |
| IT1302202B1 (en) | 1998-09-11 | 2000-07-31 | Henkel Kgaa | ELECTROLYTIC PICKLING PROCESS WITH SOLUTIONS FREE FROM ACIDONITRICO. |
| DE19850524C2 (en) * | 1998-11-03 | 2002-04-04 | Eilenburger Elektrolyse & Umwelttechnik Gmbh | Nitrate-free recycling pickling process for stainless steels |
| AT406486B (en) * | 1998-12-22 | 2000-05-25 | Andritz Patentverwaltung | METHOD FOR STAINLESSING STAINLESS STEEL |
| IT1312556B1 (en) | 1999-05-03 | 2002-04-22 | Henkel Kgaa | STAINLESS STEEL PICKLING PROCESS IN THE ABSENCE OF ACIDONITRICO AND IN THE PRESENCE OF CHLORIDE IONS |
| US8192556B2 (en) | 2002-10-15 | 2012-06-05 | Henkel Kgaa | Pickling or brightening/passivating solution and process for steel and stainless steel |
| US7611588B2 (en) | 2004-11-30 | 2009-11-03 | Ecolab Inc. | Methods and compositions for removing metal oxides |
| EP1980650A1 (en) * | 2007-04-05 | 2008-10-15 | Kerma S.A. | Pickling composition free from nitrates and peroxides, and method using such a composition |
| CN103572303B (en) * | 2013-10-24 | 2015-11-25 | 中联重机股份有限公司 | A kind of steel chemical pre-processing method and pickle solution used |
| CN111057935B (en) * | 2019-12-25 | 2021-04-02 | 浦项(张家港)不锈钢股份有限公司 | Preparation method of heat-resistant stainless steel |
| CN113788520A (en) * | 2021-10-08 | 2021-12-14 | 北京首钢吉泰安新材料有限公司 | Iron-chromium-aluminum pickling process, wastewater treatment method and wastewater treatment device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50133125A (en) * | 1974-04-10 | 1975-10-22 | ||
| DE3937438C2 (en) * | 1989-02-23 | 1998-01-29 | Wilfried Simmer | Steel pickling process |
| FR2650303B1 (en) * | 1989-07-26 | 1993-12-10 | Ugine Aciers Chatillon Gueugnon | PROCESS FOR ACIDIC STRIPPING OF METAL PRODUCTS CONTAINING TITANIUM OR AT LEAST ONE CHEMICAL ELEMENT OF THE TITANIUM FAMILY |
| JPH04362183A (en) * | 1991-06-07 | 1992-12-15 | Nippon Paint Co Ltd | Method for regenerating aluminum surface cleaning bath |
| IT1282979B1 (en) * | 1996-05-09 | 1998-04-03 | Novamax Itb S R L | PROCEDURE FOR STEEL PICKLING IN WHICH THE OXIDATION OF THE FERROUS ION IS CARRIED OUT BY ELECTROCHEMISTRY |
-
1996
- 1996-12-09 IT IT96RM000849A patent/IT1288407B1/en active IP Right Grant
-
1997
- 1997-12-05 EP EP97949093A patent/EP0960221B1/en not_active Expired - Lifetime
- 1997-12-05 ES ES97949093T patent/ES2178023T3/en not_active Expired - Lifetime
- 1997-12-05 DE DE69711090T patent/DE69711090T2/en not_active Expired - Fee Related
- 1997-12-05 AT AT97949093T patent/ATE214436T1/en not_active IP Right Cessation
- 1997-12-05 AU AU78478/98A patent/AU7847898A/en not_active Abandoned
- 1997-12-05 WO PCT/IT1997/000300 patent/WO1998026111A1/en not_active Ceased
- 1997-12-08 ZA ZA9710983A patent/ZA9710983B/en unknown
-
1998
- 1998-03-09 TW TW087103408A patent/TW451001B/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE69711090T2 (en) | 2003-07-24 |
| EP0960221A1 (en) | 1999-12-01 |
| ITRM960849A1 (en) | 1998-06-09 |
| ES2178023T3 (en) | 2002-12-16 |
| DE69711090D1 (en) | 2002-04-18 |
| ITRM960849A0 (en) | 1996-12-09 |
| WO1998026111A1 (en) | 1998-06-18 |
| TW451001B (en) | 2001-08-21 |
| AU7847898A (en) | 1998-07-03 |
| EP0960221B1 (en) | 2002-03-13 |
| ZA9710983B (en) | 1998-06-15 |
| IT1288407B1 (en) | 1998-09-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |