Waste acid containing iron

Industry

CPC
Y10S423/01

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Parent Industries

YGENERAL 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 Y10USPC classification Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS Y10S423/00Chemistry of inorganic compounds

Current Industry

Y10S423/01Waste acid containing iron

Industries

Patents Grantslast 30 patents

Information Patent Grant
Processes for making stable ferric chloride solutions
- Patent number 8,071,067
- Issue date Dec 6, 2011
- Kemira Water Solutions, Inc.
- Krister Eskilsson
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for processing an etching mixture which is formed during the...
- Patent number 7,922,876
- Issue date Apr 12, 2011
- Wacker Chemie AG
- Hanns Wochner
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for processing iron-laden spent sulfuric acid
- Patent number 7,537,749
- Issue date May 26, 2009
- Tronox Pigments GmbH
- Gerhard Auer
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Iron oxides with a higher degree of refining
- Patent number 7,186,395
- Issue date Mar 6, 2007
- BASF Aktiengesellschaft
- Christian Walsdorff
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the preparation of iron hydroxide, iron oxide hydrate or...
- Patent number 7,144,561
- Issue date Dec 5, 2006
- Sachtleben Chemie GmbH
- Bodo Gosch
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method of treating residual acid
- Patent number 6,852,297
- Issue date Feb 8, 2005
- Kemira Kemi AB
- Lars Gillberg
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Apparatus for removing hydrogen peroxide from spent pickle liquor
- Patent number 6,802,965
- Issue date Oct 12, 2004
- AK Steel Corporation
- Vijay N. Madi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Process and apparatus for the extraction and regeneration of acids...
- Patent number 6,797,240
- Issue date Sep 28, 2004
- Andritz AG
- Albert Lebl
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for removing hydrogen peroxide from spent pickle liquor
- Patent number 6,746,614
- Issue date Jun 8, 2004
- AK Steel Corporation
- Vijay N. Madi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Process for regeneration of acid halide solutions
- Patent number 6,692,719
- Issue date Feb 17, 2004
- Hatch Ltd.
- Bert Wasmund
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for the conditioning of phosphoric acid
- Patent number 6,565,756
- Issue date May 20, 2003
- Poligrat Holding GmbH
- Siegfried Piesslinger-Schweiger
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method of regenerating a spent pickling solution
- Patent number 6,375,915
- Issue date Apr 23, 2002
- Keramchemie GmbH
- Frank Bärhold
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for producing hyperazeotropic hydrochloric acid from metal c...
- Patent number 6,365,121
- Issue date Apr 2, 2002
- S.A.D. EDV-Systemanalyse und-Systemdesign Gesellschaft m.b.H.
- Dieter Wurmbauer
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Suspension system using fumed silica
- Patent number 6,315,975
- Issue date Nov 13, 2001
- Rhodia Inc.
- Donald Edward Lindblad
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method and apparatus for the conditioning of phosphoric acid
- Patent number 6,264,177
- Issue date Jul 24, 2001
- Poligrat Holding GmbH
- Siegfried Piesslinger-Schweiger
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Treatment of sulphate- and metal-containing water
- Patent number 6,228,263
- Issue date May 8, 2001
- Water Research Commission
- Peter Dale Rose
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process for the extraction and regeneration of acids from spent acids
- Patent number 6,214,310
- Issue date Apr 10, 2001
- Andritz-Patentverwaltungs-Gesellschaft m.b.H.
- Albert Lebl
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Process for regenerating hydrochloric acid from pickling plants
- Patent number 6,210,650
- Issue date Apr 3, 2001
- Andritz-Patentverwaltungs-Gesellschaft m.b.H.
- Wilhelm Karner
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Treatment of water
- Patent number 6,197,196
- Issue date Mar 6, 2001
- Water Research Commission
- Peter Dale Rose
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process and plant for extraction or recovery of acids from solution...
- Patent number 5,980,850
- Issue date Nov 9, 1999
- Andritz-Patentverwaltungs-Gesellschaft m.b.H.
- Albert Lebl
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Process and apparatus for removing metal oxide particles in the reg...
- Patent number 5,939,041
- Issue date Aug 17, 1999
- Andritz-Patentverwaltungs-Gesellschaft m.b.H.
- Albert Lebl
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Regeneration of hydrochloric acid
- Patent number 5,846,510
- Issue date Dec 8, 1998
- Technological Resources Pty. Ltd.
- Michael John Hollitt
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Acid regeneration
- Patent number 5,635,152
- Issue date Jun 3, 1997
- Austpac Gold N.L.
- Ernest A. Walpole
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Reduction of residual chloride in iron oxides
- Patent number 5,597,547
- Issue date Jan 28, 1997
- Shell Oil Company
- David M. Hamilton
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Manufacture of ferric sulfate and hydrochloric acid from ferrous ch...
- Patent number 5,417,955
- Issue date May 23, 1995
- David W. Connolly
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Reduction of residual chloride in iron oxides
- Patent number 5,401,485
- Issue date Mar 28, 1995
- Shell Oil Company
- David M. Hamilton
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for treating waste pickle liquor
- Patent number 5,344,572
- Issue date Sep 6, 1994
- Satish C. Wadhawan
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method of treating nickel-containing etching waste fluid
- Patent number 5,328,670
- Issue date Jul 12, 1994
- Nittetu Chemical Engineering, Ltd.
- Teruhiko Hirabayashi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Process for separating silicic compounds from cleaning baths and pl...
- Patent number 5,296,001
- Issue date Mar 22, 1994
- Sollac
- Lothaire W. Scherer
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Liquid oxidizing method and apparatus
- Patent number 5,266,297
- Issue date Nov 30, 1993
- Sugita Wire Mfg. Co., Ltd.
- Shigemi Kodama
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Processes For Making Stable Ferric Chloride Solutions
- Publication number 20100301255
- Publication date Dec 2, 2010
- KEMIRA CHEMICALS INC.
- Krister Eskilsson
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PROCESSING AN ETCHING MIXTURE WHICH IS FORMED DURING THE...
- Publication number 20080053815
- Publication date Mar 6, 2008
- Wacker Chemie AG
- Hanns Wochner
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Method for processing iron-laden spent sulfuric acid
- Publication number 20070122336
- Publication date May 31, 2007
- Tronax Pigments GMbH
- Gerhard Auer
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Method for the preparation of iron hydroxide, iron oxide hydrate or...
- Publication number 20050019250
- Publication date Jan 27, 2005
- SACHTLEBEN CHEMIE GMBH
- Bodo Gosch
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Method of treating residual acid
- Publication number 20040126310
- Publication date Jul 1, 2004
- Lars Gillberg
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
Iron oxides with a higher degree of refining
- Publication number 20040097768
- Publication date May 20, 2004
- Christian Walsdorff
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Apparatus for removing hydrogen peroxide from spent pickle liquor
- Publication number 20040074848
- Publication date Apr 22, 2004
- AK Steel Corporation
- Vijay N. Madi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Apparatus and method for removing hydrogen peroxide from spent pick...
- Publication number 20020175129
- Publication date Nov 28, 2002
- Vijay N. Madi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Process and apparatus for the extraction and regeneration of acids...
- Publication number 20020031469
- Publication date Mar 14, 2002
- Albert Lebl
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Method and apparatus for the conditioning of phosphoric acid
- Publication number 20010034926
- Publication date Nov 1, 2001
- Poligrat Holding GmbH
- Siegfried Piesslinger-Schweiger
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Waste acid containing iron

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Processes for making stable ferric chloride solutions

Method for processing an etching mixture which is formed during the...

Method for processing iron-laden spent sulfuric acid

Iron oxides with a higher degree of refining

Method for the preparation of iron hydroxide, iron oxide hydrate or...

Method of treating residual acid

Apparatus for removing hydrogen peroxide from spent pickle liquor

Process and apparatus for the extraction and regeneration of acids...

Method for removing hydrogen peroxide from spent pickle liquor

Process for regeneration of acid halide solutions

Method for the conditioning of phosphoric acid

Method of regenerating a spent pickling solution

Method for producing hyperazeotropic hydrochloric acid from metal c...

Suspension system using fumed silica

Method and apparatus for the conditioning of phosphoric acid

Treatment of sulphate- and metal-containing water

Process for the extraction and regeneration of acids from spent acids

Process for regenerating hydrochloric acid from pickling plants

Treatment of water

Process and plant for extraction or recovery of acids from solution...

Process and apparatus for removing metal oxide particles in the reg...

Regeneration of hydrochloric acid

Acid regeneration

Reduction of residual chloride in iron oxides

Manufacture of ferric sulfate and hydrochloric acid from ferrous ch...

Reduction of residual chloride in iron oxides

Method for treating waste pickle liquor

Method of treating nickel-containing etching waste fluid

Process for separating silicic compounds from cleaning baths and pl...

Liquid oxidizing method and apparatus

Patents Applicationslast 30 patents

Processes For Making Stable Ferric Chloride Solutions

METHOD FOR PROCESSING AN ETCHING MIXTURE WHICH IS FORMED DURING THE...

Method for processing iron-laden spent sulfuric acid

Method for the preparation of iron hydroxide, iron oxide hydrate or...

Method of treating residual acid

Iron oxides with a higher degree of refining

Apparatus for removing hydrogen peroxide from spent pickle liquor

Apparatus and method for removing hydrogen peroxide from spent pick...

Process and apparatus for the extraction and regeneration of acids...

Method and apparatus for the conditioning of phosphoric acid