IT1101432B - Procedimento di recupreo degli acidi e dello zirconio contenuti nelle soluzioni di decappaggio - Google Patents
Procedimento di recupreo degli acidi e dello zirconio contenuti nelle soluzioni di decappaggioInfo
- Publication number
- IT1101432B IT1101432B IT30025/78A IT3002578A IT1101432B IT 1101432 B IT1101432 B IT 1101432B IT 30025/78 A IT30025/78 A IT 30025/78A IT 3002578 A IT3002578 A IT 3002578A IT 1101432 B IT1101432 B IT 1101432B
- Authority
- IT
- Italy
- Prior art keywords
- acid
- recovery procedure
- pickling solutions
- procedure contained
- zirconium recovery
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J41/00—Anion exchange; Use of material as anion exchangers; Treatment of material for improving the anion exchange properties
- B01J41/04—Processes using organic exchangers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J49/00—Regeneration or reactivation of ion-exchangers; Apparatus therefor
- B01J49/05—Regeneration or reactivation of ion-exchangers; Apparatus therefor of fixed beds
- B01J49/07—Regeneration or reactivation of ion-exchangers; Apparatus therefor of fixed beds containing anionic exchangers
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G25/00—Compounds of zirconium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G25/00—Compounds of zirconium
- C01G25/003—Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G25/00—Compounds of zirconium
- C01G25/06—Sulfates
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/42—Treatment or purification of solutions, e.g. obtained by leaching by ion-exchange extraction
-
- 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
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/46—Regeneration of etching compositions
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Manufacturing & Machinery (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7736627A FR2421952A1 (fr) | 1977-11-29 | 1977-11-29 | Procede de recuperation des acides et du zirconium contenus dans les solutions de decapage |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7830025A0 IT7830025A0 (it) | 1978-11-22 |
IT1101432B true IT1101432B (it) | 1985-09-28 |
Family
ID=9198474
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT30025/78A IT1101432B (it) | 1977-11-29 | 1978-11-22 | Procedimento di recupreo degli acidi e dello zirconio contenuti nelle soluzioni di decappaggio |
Country Status (13)
Country | Link |
---|---|
US (1) | US4200612A (it) |
JP (1) | JPS5485114A (it) |
BE (1) | BE872325A (it) |
BR (1) | BR7807687A (it) |
CA (1) | CA1107480A (it) |
CH (1) | CH634600A5 (it) |
DE (1) | DE2850784C2 (it) |
ES (1) | ES475436A1 (it) |
FR (1) | FR2421952A1 (it) |
GB (1) | GB2009125B (it) |
IT (1) | IT1101432B (it) |
SE (1) | SE444185B (it) |
ZA (1) | ZA786685B (it) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4572824A (en) * | 1984-11-01 | 1986-02-25 | General Electric Company | Process for recovery of zirconium and acid from spent etching solutions |
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 |
US4960515A (en) * | 1989-02-27 | 1990-10-02 | Billmyre Richard D | Liquid recovery system |
US5377234A (en) * | 1992-10-23 | 1994-12-27 | General Electric Company | Colloidal resin slurry recycle concentrating system of nuclear reactor coolant water |
EP0835333B9 (en) * | 1996-04-29 | 2003-10-22 | Ki Won Lee | Pickling solution used for removing scales on iron-based alloys |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2567661A (en) * | 1948-08-31 | 1951-09-11 | John A Ayres | Zirconium and hafnium recovery and purification process |
US2738322A (en) * | 1953-05-12 | 1956-03-13 | Dow Chemical Co | Process for removing sulfuric acid from aqueous solutions of inorganic sulfates |
FR1425429A (fr) * | 1964-12-07 | 1966-01-24 | Commissariat Energie Atomique | Procédé de purification de solutions industrielles d'un sel de hafnium et de zirconium |
-
1977
- 1977-11-29 FR FR7736627A patent/FR2421952A1/fr active Granted
-
1978
- 1978-10-31 CA CA315,441A patent/CA1107480A/fr not_active Expired
- 1978-11-07 US US05/958,491 patent/US4200612A/en not_active Expired - Lifetime
- 1978-11-22 IT IT30025/78A patent/IT1101432B/it active
- 1978-11-23 CH CH1201078A patent/CH634600A5/fr not_active IP Right Cessation
- 1978-11-23 BR BR7807687A patent/BR7807687A/pt unknown
- 1978-11-23 DE DE2850784A patent/DE2850784C2/de not_active Expired
- 1978-11-23 SE SE7812086A patent/SE444185B/sv not_active IP Right Cessation
- 1978-11-27 ES ES475436A patent/ES475436A1/es not_active Expired
- 1978-11-28 JP JP14706078A patent/JPS5485114A/ja active Granted
- 1978-11-28 ZA ZA786685A patent/ZA786685B/xx unknown
- 1978-11-28 GB GB7846387A patent/GB2009125B/en not_active Expired
- 1978-11-28 BE BE191973A patent/BE872325A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE2850784C2 (de) | 1982-09-30 |
SE444185B (sv) | 1986-03-24 |
JPS5647938B2 (it) | 1981-11-12 |
ES475436A1 (es) | 1979-04-01 |
GB2009125A (en) | 1979-06-13 |
DE2850784A1 (de) | 1979-05-31 |
FR2421952B1 (it) | 1980-08-29 |
US4200612A (en) | 1980-04-29 |
IT7830025A0 (it) | 1978-11-22 |
BR7807687A (pt) | 1979-07-31 |
BE872325A (fr) | 1979-05-28 |
CH634600A5 (fr) | 1983-02-15 |
JPS5485114A (en) | 1979-07-06 |
FR2421952A1 (fr) | 1979-11-02 |
CA1107480A (fr) | 1981-08-25 |
GB2009125B (en) | 1982-05-12 |
ZA786685B (en) | 1980-01-30 |
SE7812086L (sv) | 1979-05-30 |
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