ITMO20060401A1 - Impianto per il recupero di soda caustica da soluzioni caustiche e relativo procedimento. - Google Patents
Impianto per il recupero di soda caustica da soluzioni caustiche e relativo procedimento.Info
- Publication number
- ITMO20060401A1 ITMO20060401A1 IT000401A ITMO20060401A ITMO20060401A1 IT MO20060401 A1 ITMO20060401 A1 IT MO20060401A1 IT 000401 A IT000401 A IT 000401A IT MO20060401 A ITMO20060401 A IT MO20060401A IT MO20060401 A1 ITMO20060401 A1 IT MO20060401A1
- Authority
- IT
- Italy
- Prior art keywords
- caustic
- recovery
- plant
- procedure
- solutions
- 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
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
- C01B3/06—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D1/00—Oxides or hydroxides of sodium, potassium or alkali metals in general
- C01D1/04—Hydroxides
- C01D1/28—Purification; Separation
- C01D1/32—Purification; Separation by absorption or precipitation
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/04—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
- C01F7/14—Aluminium oxide or hydroxide from alkali metal aluminates
- C01F7/141—Aluminium oxide or hydroxide from alkali metal aluminates from aqueous aluminate solutions by neutralisation with an acidic agent
- C01F7/142—Aluminium oxide or hydroxide from alkali metal aluminates from aqueous aluminate solutions by neutralisation with an acidic agent with carbon dioxide
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
-
- 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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Combustion & Propulsion (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT000401A ITMO20060401A1 (it) | 2006-12-07 | 2006-12-07 | Impianto per il recupero di soda caustica da soluzioni caustiche e relativo procedimento. |
EP07122525A EP1932948A1 (en) | 2006-12-07 | 2007-12-06 | Apparatus and method for recovering caustic soda from caustic solutions |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT000401A ITMO20060401A1 (it) | 2006-12-07 | 2006-12-07 | Impianto per il recupero di soda caustica da soluzioni caustiche e relativo procedimento. |
Publications (1)
Publication Number | Publication Date |
---|---|
ITMO20060401A1 true ITMO20060401A1 (it) | 2008-06-08 |
Family
ID=39149134
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT000401A ITMO20060401A1 (it) | 2006-12-07 | 2006-12-07 | Impianto per il recupero di soda caustica da soluzioni caustiche e relativo procedimento. |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1932948A1 (it) |
IT (1) | ITMO20060401A1 (it) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010060408A2 (de) * | 2008-11-03 | 2010-06-03 | Koenig Thomas | Beizverfahren und beizanlage |
IT1398512B1 (it) * | 2009-06-12 | 2013-03-01 | C I E S R L | Procedimento per il recupero di soluzioni alcaline |
GR1006987B (el) * | 2009-07-30 | 2010-09-27 | Νταϊλιανης, Νικολαος | Παραγωγη αργιλικου νατριου με ταυτοχρονη ανακυκλωση των αποβλητων αλκαλικης πλυσης μητρων βιομηχανιων διελασης αλουμινιου με χρηση του υπαρχοντος εξοπλισμου πλυσης |
CN103785481B (zh) * | 2012-11-03 | 2016-08-17 | 中国石油化工股份有限公司 | 一种碳化法制备高硅大孔无定形硅铝干胶的方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1143787A (en) * | 1966-02-25 | 1969-02-26 | Reynolds Metals Co | Alumina hydrate |
US3607482A (en) * | 1969-08-11 | 1971-09-21 | Wilson & Co | Process of regeneration of metal treating solutions |
CA1207630A (en) * | 1983-12-22 | 1986-07-15 | Alan Pearson | Continuous process for neutralization of aluminate solution to form gels and apparatus therefor |
EP0157190B1 (de) * | 1984-03-16 | 1990-07-18 | Prof. Dr. E. Plattner | Beizverfahren für Aluminium |
US5512129A (en) * | 1990-03-15 | 1996-04-30 | Josef Gartner & Co. | Method for regenerating alkaline solutions for pickling aluminum |
JP3161491B2 (ja) * | 1993-07-30 | 2001-04-25 | 日鉄鉱業株式会社 | アルミニウムを含む苛性ソーダ廃液の処理方法 |
JPH093671A (ja) * | 1995-06-14 | 1997-01-07 | Nippon Light Metal Co Ltd | アルミニウム材加工用工具の洗浄方法 |
DE19703348A1 (de) * | 1997-01-30 | 1998-08-06 | Klaus Dipl Ing Klein | Verfahren zur Rückgewinnung alkalischer Beizlösungen |
DE10009369A1 (de) * | 2000-02-29 | 2001-08-30 | Vaw Ver Aluminium Werke Ag | Aluminiumhydroxidgel |
EP1609759A4 (en) * | 2003-03-14 | 2012-06-27 | Nissan Chemical Ind Ltd | PROCESS FOR THE PRODUCTION OF AQUEOUS ALUMINA SOIL, ACID |
EP1730324B1 (en) * | 2004-03-31 | 2008-11-05 | G. R. Trattamenti Termici - GRTT S.R.L. | Process for recovering caustic soda solutions from pickling of aluminium extrusion dies |
-
2006
- 2006-12-07 IT IT000401A patent/ITMO20060401A1/it unknown
-
2007
- 2007-12-06 EP EP07122525A patent/EP1932948A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
EP1932948A1 (en) | 2008-06-18 |
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