IT1393792B1 - Recupero di metalli e acidi da soluzioni esauste di decapaggio e/o da fanghi di neutralizzazione - Google Patents

Recupero di metalli e acidi da soluzioni esauste di decapaggio e/o da fanghi di neutralizzazione

Info

Publication number
IT1393792B1
IT1393792B1 ITVA2008A000056A ITVA20080056A IT1393792B1 IT 1393792 B1 IT1393792 B1 IT 1393792B1 IT VA2008A000056 A ITVA2008A000056 A IT VA2008A000056A IT VA20080056 A ITVA20080056 A IT VA20080056A IT 1393792 B1 IT1393792 B1 IT 1393792B1
Authority
IT
Italy
Prior art keywords
pickling
neutralization
sludge
exhausted
metals
Prior art date
Application number
ITVA2008A000056A
Other languages
English (en)
Inventor
Olga Piva
Roberto Caimi
Marco Zavattoni
Original Assignee
Condoroil Impianti Srl
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 Condoroil Impianti Srl filed Critical Condoroil Impianti Srl
Priority to ITVA2008A000056A priority Critical patent/IT1393792B1/it
Priority to PCT/EP2009/007925 priority patent/WO2010051992A1/en
Priority to EP20090767938 priority patent/EP2366036A1/en
Publication of ITVA20080056A1 publication Critical patent/ITVA20080056A1/it
Application granted granted Critical
Publication of IT1393792B1 publication Critical patent/IT1393792B1/it

Links

Classifications

    • 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
    • C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • C22B7/006—Wet processes
    • C22B7/007—Wet processes by acid leaching
    • 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
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B7/00—Halogens; Halogen acids
    • C01B7/19—Fluorine; Hydrogen fluoride
    • C01B7/191—Hydrogen fluoride
    • C01B7/195—Separation; Purification
    • C01B7/196—Separation; Purification by distillation
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G37/00—Compounds of chromium
    • C01G37/02—Oxides or hydrates thereof
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G37/00—Compounds of chromium
    • C01G37/08—Chromium sulfates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00—Compounds of iron
    • C01G49/02—Oxides; Hydroxides
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G53/00—Compounds of nickel
    • C01G53/04—Oxides; Hydroxides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G53/00—Compounds of nickel
    • C01G53/10—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
    • C22B23/00—Obtaining nickel or cobalt
    • C22B23/04—Obtaining nickel or cobalt by wet processes
    • C22B23/0453—Treatment or purification of solutions, e.g. obtained by leaching
    • 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
    • C22B23/00—Obtaining nickel or cobalt
    • C22B23/04—Obtaining nickel or cobalt by wet processes
    • C22B23/0453—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B23/0461—Treatment or purification of solutions, e.g. obtained by leaching by chemical methods
    • 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
    • C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
    • C22B3/06—Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic acid solutions, e.g. with acids generated in situ; in inorganic salt solutions other than ammonium salt solutions
    • C22B3/08—Sulfuric acid, other sulfurated acids or salts thereof
    • 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
    • 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
    • C22B3/44—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
    • 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
    • C22B34/00—Obtaining refractory metals
    • C22B34/30—Obtaining chromium, molybdenum or tungsten
    • C22B34/32—Obtaining chromium
    • 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
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/80—Compositional purity
    • 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
ITVA2008A000056A 2008-11-06 2008-11-06 Recupero di metalli e acidi da soluzioni esauste di decapaggio e/o da fanghi di neutralizzazione IT1393792B1 (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
ITVA2008A000056A IT1393792B1 (it) 2008-11-06 2008-11-06 Recupero di metalli e acidi da soluzioni esauste di decapaggio e/o da fanghi di neutralizzazione
PCT/EP2009/007925 WO2010051992A1 (en) 2008-11-06 2009-11-02 Recovery of metals and acids from exhausted pickling solutions and/or neutralization sludge
EP20090767938 EP2366036A1 (en) 2008-11-06 2009-11-02 Recovery of metals and acids from exhausted pickling solutions and/or neutralization sludge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITVA2008A000056A IT1393792B1 (it) 2008-11-06 2008-11-06 Recupero di metalli e acidi da soluzioni esauste di decapaggio e/o da fanghi di neutralizzazione

Publications (2)

Publication Number Publication Date
ITVA20080056A1 ITVA20080056A1 (it) 2010-05-07
IT1393792B1 true IT1393792B1 (it) 2012-05-08

Family

ID=41066280

Family Applications (1)

Application Number Title Priority Date Filing Date
ITVA2008A000056A IT1393792B1 (it) 2008-11-06 2008-11-06 Recupero di metalli e acidi da soluzioni esauste di decapaggio e/o da fanghi di neutralizzazione

Country Status (3)

Country Link
EP (1) EP2366036A1 (it)
IT (1) IT1393792B1 (it)
WO (1) WO2010051992A1 (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI127664B (en) 2017-10-20 2018-11-30 Crisolteq Ltd Process for recovery of components from a pickle acid regeneration residue
CN107893235B (zh) * 2017-11-20 2019-08-09 安徽新洲钢业有限公司 一种钢管生产车间的污泥处理方法
CN107881518B (zh) * 2017-11-20 2019-07-19 安徽新洲钢业有限公司 一种钢管生产车间的污泥处理线
CN109536711B (zh) * 2018-11-06 2024-01-16 泰州华昊废金属综合利用有限公司 金属表面处理废物的资源化利用处理系统
WO2021105215A1 (en) 2019-11-28 2021-06-03 Scanacon Ab Metal recovery method
CN111020187A (zh) * 2019-12-10 2020-04-17 广东邦普循环科技有限公司 氢氧化镍的制备方法
FI129345B (en) 2019-12-19 2021-12-15 Crisolteq Ltd A method for treating a pickling acid regeneration precipitate
CN113881857A (zh) * 2021-09-09 2022-01-04 云南云铜锌业股份有限公司 一种湿法锌冶炼镉回收工序产出的含钴溶液的处理方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI58519C (fi) * 1978-12-07 1981-02-10 Rosenlew Ab Oy W Foerfarande foer regenerering av betningssyror
FI81127C (fi) * 1988-04-18 1990-09-10 Outokumpu Oy Foerfarande foer regenerering av betsyror vid zinkgalvaniseringsprocesser.
US5500098A (en) * 1993-08-05 1996-03-19 Eco-Tec Limited Process for regeneration of volatile acids
JPH0860388A (ja) * 1994-08-12 1996-03-05 Nippon Yakin Kogyo Co Ltd 硝弗酸系ステンレス酸洗浴用濾過器および濾過方法

Also Published As

Publication number Publication date
WO2010051992A1 (en) 2010-05-14
EP2366036A1 (en) 2011-09-21
ITVA20080056A1 (it) 2010-05-07

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