NO860712L - Fremgangsmaate til resirkulering av metallsulfatholdig svovelsyre. - Google Patents

Fremgangsmaate til resirkulering av metallsulfatholdig svovelsyre.

Info

Publication number: NO860712L
Authority: NO; Norway
Prior art keywords: recycling; procedure; sulfuric acid; metal sulphate; sulphate sulfuric
Prior art date: 1985-03-14

Application number

NO860712A

Other languages

English (en)

Other versions

NO167970C (no

NO167970B (no

Inventor

Guenter Lailach

Rudolf Gerken

Armin Van Fuerden

Original Assignee

Bayer Ag

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.)

1985-03-14

Filing date

1986-02-26

Publication date

1986-09-15

1986-02-26 Application filed by Bayer Ag filed Critical Bayer Ag

1986-09-15 Publication of NO860712L publication Critical patent/NO860712L/no

1991-09-23 Publication of NO167970B publication Critical patent/NO167970B/no

1992-01-02 Publication of NO167970C publication Critical patent/NO167970C/no

Classifications

- 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
- 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
- C22B3/22—Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition
- 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
- C22B34/10—Obtaining titanium, zirconium or hafnium
- C22B34/12—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08
- C22B34/1236—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 obtaining titanium or titanium compounds from ores or scrap by wet processes, e.g. by leaching
- C22B34/1259—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 obtaining titanium or titanium compounds from ores or scrap by wet processes, e.g. by leaching treatment or purification of titanium containing solutions or liquors or slurries
- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Organic Chemistry (AREA)
Environmental & Geological Engineering (AREA)
General Life Sciences & Earth Sciences (AREA)
Geology (AREA)
Life Sciences & Earth Sciences (AREA)
Materials Engineering (AREA)
Mechanical Engineering (AREA)
Metallurgy (AREA)
Manufacturing & Machinery (AREA)
Inorganic Chemistry (AREA)
Geochemistry & Mineralogy (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Filtering Materials (AREA)
Filtering Of Dispersed Particles In Gases (AREA)
Paper (AREA)
Manufacture And Refinement Of Metals (AREA)
Treatment Of Sludge (AREA)

NO860712A 1985-03-14 1986-02-26 Fremgangsmaate for resirkulering av brukt metallsulfatholdig svovelsyre. NO167970C (no)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE3509069		1985-03-14
DE19853511479 DE3511479A1 (de)	1985-03-14	1985-03-29	Verfahren zur rezirkulierung metallsulfathaltiger schwefelsaeure

Publications (3)

Publication Number	Publication Date
NO860712L true NO860712L (no)	1986-09-15
NO167970B NO167970B (no)	1991-09-23
NO167970C NO167970C (no)	1992-01-02

Family

ID=25830288

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO860712A NO167970C (no)	1985-03-14	1986-02-26	Fremgangsmaate for resirkulering av brukt metallsulfatholdig svovelsyre.

Country Status (5)

Country	Link
EP (1)	EP0194544B1 (no)
CA (1)	CA1288211C (no)
DE (2)	DE3511479A1 (no)
FI (1)	FI89875C (no)
NO (1)	NO167970C (no)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2634751B1 (no) *	1988-07-29	1991-02-08	Metaleurop Sa
EP0362428B1 (de)	1988-10-06	1992-12-23	KRONOS TITAN-Gesellschaft mbH	Verfahren und Vorrichtung zur Aufarbeitung einer Eisen(II) sulfat enthaltenden Schwefelsäurelösung
DE3927751A1 (de) *	1989-08-23	1991-02-28	Bayer Ag	Verfahren zum konzentrieren metallsulfathaltiger schwefelsaeure
DE4015538A1 (de) *	1990-05-15	1991-11-21	Bayer Ag	Verfahren zum herstellen von titandioxid
FR2663860B1 (fr) *	1990-07-02	1994-03-04	Sollac	Filtre utilisable pour la separation des composes siliciques contenus dans un bain acide, procede et dispositif pour separarer lesdits composes siliciques.
ES2049127B1 (es) *	1991-06-13	1994-10-01	Tioxide Espa A S A	Corrector de carencias de microelementos para suelos agricolas y procedimiento para su preparacion.
DE19829592C1 (de) *	1998-07-02	1999-12-09	Umweltanalytisches Zentrum Gro	Verfahren zur Aufbereitung metallhaltiger Mineralsäuren

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1500285A (fr) *	1965-09-19	1967-11-03	Polysius Ag	Procédé de dessiccation des pâtes
US3743484A (en) *	1969-12-30	1973-07-03	Daido Chem Eng Corp	Regeneration of sulfuric acid pickling waste
DE3128768A1 (de) *	1981-07-21	1983-02-10	Werner Prof. Dr. 6740 Landau Stahl	Filterpresse
DE3327769A1 (de) *	1983-08-02	1985-02-14	Bayer Ag, 5090 Leverkusen	Verfahren zur aufarbeitung von duennsaeuren
DE3327770A1 (de) *	1983-08-02	1985-02-14	Bayer Ag, 5090 Leverkusen	Verfahren zur aufarbeitung metallsulfathaltiger schwefelsaeuren

1985
- 1985-03-29 DE DE19853511479 patent/DE3511479A1/de not_active Withdrawn
1986
- 1986-02-26 NO NO860712A patent/NO167970C/no not_active IP Right Cessation
- 1986-03-03 EP EP19860102765 patent/EP0194544B1/de not_active Expired - Lifetime
- 1986-03-03 DE DE8686102765T patent/DE3681470D1/de not_active Expired - Lifetime
- 1986-03-12 FI FI861017A patent/FI89875C/fi not_active IP Right Cessation
- 1986-03-12 CA CA 503907 patent/CA1288211C/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
FI89875B (fi)	1993-08-31
NO167970C (no)	1992-01-02
EP0194544A2 (de)	1986-09-17
FI861017A0 (fi)	1986-03-12
EP0194544B1 (de)	1991-09-18
DE3511479A1 (de)	1986-09-18
FI89875C (fi)	1993-12-10
NO167970B (no)	1991-09-23
DE3681470D1 (de)	1991-10-24
FI861017L (fi)	1986-09-15
EP0194544A3 (en)	1988-09-21
CA1288211C (en)	1991-09-03

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Legal Events

Date	Code	Title	Description
2005-10-10	MM1K	Lapsed by not paying the annual fees