IT1398512B1 - Procedimento per il recupero di soluzioni alcaline - Google Patents

Procedimento per il recupero di soluzioni alcaline

Info

Publication number
IT1398512B1
IT1398512B1 ITMI2009A001043A ITMI20091043A IT1398512B1 IT 1398512 B1 IT1398512 B1 IT 1398512B1 IT MI2009A001043 A ITMI2009A001043 A IT MI2009A001043A IT MI20091043 A ITMI20091043 A IT MI20091043A IT 1398512 B1 IT1398512 B1 IT 1398512B1
Authority
IT
Italy
Prior art keywords
recovery
procedure
alkaline solutions
alkaline
solutions
Prior art date
Application number
ITMI2009A001043A
Other languages
English (en)
Inventor
Franco Falcone
Original Assignee
C I E S R L
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by C I E S R L filed Critical C I E S R L
Priority to ITMI2009A001043A priority Critical patent/IT1398512B1/it
Priority to PCT/IB2010/001015 priority patent/WO2010143033A1/en
Publication of ITMI20091043A1 publication Critical patent/ITMI20091043A1/it
Application granted granted Critical
Publication of IT1398512B1 publication Critical patent/IT1398512B1/it

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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C35/00—Removing work or waste from extruding presses; Drawing-off extruded work; Cleaning dies, ducts, containers, or mandrels
    • B21C35/06—Cleaning dies, ducts, containers or mandrels
    • 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
    • C01D1/20—Preparation by reacting oxides or hydroxides with alkali metal salts
    • C01D1/22—Preparation by reacting oxides or hydroxides with alkali metal salts with carbonates or bicarbonates
    • 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
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D7/00—Carbonates of sodium, potassium or alkali metals in general
    • C01D7/07—Preparation from the hydroxides
    • 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
    • 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
    • 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)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
ITMI2009A001043A 2009-06-12 2009-06-12 Procedimento per il recupero di soluzioni alcaline IT1398512B1 (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ITMI2009A001043A IT1398512B1 (it) 2009-06-12 2009-06-12 Procedimento per il recupero di soluzioni alcaline
PCT/IB2010/001015 WO2010143033A1 (en) 2009-06-12 2010-05-04 Process for recovering alkaline solutions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI2009A001043A IT1398512B1 (it) 2009-06-12 2009-06-12 Procedimento per il recupero di soluzioni alcaline

Publications (2)

Publication Number Publication Date
ITMI20091043A1 ITMI20091043A1 (it) 2010-12-13
IT1398512B1 true IT1398512B1 (it) 2013-03-01

Family

ID=41800615

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI2009A001043A IT1398512B1 (it) 2009-06-12 2009-06-12 Procedimento per il recupero di soluzioni alcaline

Country Status (2)

Country Link
IT (1) IT1398512B1 (it)
WO (1) WO2010143033A1 (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105585179B (zh) * 2016-03-08 2018-07-10 华南理工大学 一种铝型材厂脱模废液回收利用方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3607482A (en) * 1969-08-11 1971-09-21 Wilson & Co Process of regeneration of metal treating solutions
DE2738134C2 (de) * 1977-08-24 1979-10-04 Vereinigte Aluminium-Werke Ag, 5300 Bonn Verfahren zur Reinigung von verdünnten Natronlaugen
DE19703348A1 (de) * 1997-01-30 1998-08-06 Klaus Dipl Ing Klein Verfahren zur Rückgewinnung alkalischer Beizlösungen
CN1287186A (zh) * 1999-09-06 2001-03-14 谭红卫 化铣加工后废碱液及沉渣处理技术
ITMO20060401A1 (it) * 2006-12-07 2008-06-08 Italtecno S R L Impianto per il recupero di soda caustica da soluzioni caustiche e relativo procedimento.

Also Published As

Publication number Publication date
WO2010143033A1 (en) 2010-12-16
ITMI20091043A1 (it) 2010-12-13

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