Recovery from spent acids containing metallic ions

Industry

CPC
C01B17/901

This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

CCHEMISTRY METALLURGY C01Inorganic chemistry C01BNON-METALLIC ELEMENTS COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C C01B17/00Sulfur Compounds thereof

Current Industry

C01B17/901Recovery from spent acids containing metallic ions

Industries

Patents Grantslast 30 patents

Information Patent Grant
Method for recovering and purifying waste sulfuric acid solution
- Patent number 10,689,255
- Issue date Jun 23, 2020
- XIANGTAN UNIVERSITY
- Jing Cao
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
System for manufacturing high purity sulfuric acid
- Patent number 10,351,427
- Issue date Jul 16, 2019
- ASIA UNION ELECTRONIC CHEMICAL CORP.
- Curtis Douglas Dove
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for manufacturing high purity sulfuric acid
- Patent number 9,926,198
- Issue date Mar 27, 2018
- ASIA UNION ELECTRONIC CHEMICAL CORP.
- Curtis Douglas Dove
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for separating arsenic and heavy metals in an acidic washing...
- Patent number 9,555,362
- Issue date Jan 31, 2017
- Eisenmann AG
- Angela Ante
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for purification of spent sulfuric acid from titanium dioxid...
- Patent number 9,156,716
- Issue date Oct 13, 2015
- The National Titaniun Dioxide Co., Ltd. (CRISTAL)
- Ahmed Yasir Vakayil
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for purification of spent sulfuric acid from titanium dioxid...
- Patent number 9,150,440
- Issue date Oct 6, 2015
- The National Titanium Dioxide Co. Ltd. (CRISTAL)
- Ahmed Yasir Vakayil
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Reducing agent for the soluble chromate content of cement and metho...
- Patent number 8,808,451
- Issue date Aug 19, 2014
- Crenox GmbH
- Michael Vössing
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Galvanic waste sludge treatment and manufacturing of nano-sized iro...
- Patent number 8,603,420
- Issue date Dec 10, 2013
- Green Future Ltd.
- Vladimir Boiko
- B82 - NANO-TECHNOLOGY
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
Process for recycling waste acid
- Patent number 7,473,409
- Issue date Jan 6, 2009
- Veolia ES Technical Solutions L.L.C.
- Danny Mislenkov
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
System for recycling spent sulfuric acid, method for recycling spen...
- Patent number 7,360,550
- Issue date Apr 22, 2008
- Sony Corporation
- Yasuhito Inagaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Regeneration of cupric etchants and recovery of copper sulfate
- Patent number 7,175,819
- Issue date Feb 13, 2007
- Phibro Tech, Inc.
- Gang Zhao
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Liquid hydrate regeneration of contaminated acids
- Patent number 6,451,269
- Issue date Sep 17, 2002
- Waterworks International, Inc.
- Lawrence D. Conant
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for generating recoverable sulfur containing compounds from...
- Patent number 6,399,040
- Issue date Jun 4, 2002
- Rohm & Haas Company
- Charles Anthony Dafft
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Liquid hydrate regeneration of contaminated acids
- Patent number 6,106,795
- Issue date Aug 22, 2000
- Waterworks International
- Lawrence D. Conant
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Liquid medium extraction purification method
- Patent number 5,989,508
- Issue date Nov 23, 1999
- Takhim; Mohamed
- Mohamed Takhim
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for producing high-purity sulfuric acid
- Patent number 5,711,928
- Issue date Jan 27, 1998
- Sumitomo Chemical Company, Limited
- Akira Morisaki
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Fluoride removal from sulphuric acid
- Patent number 5,324,499
- Issue date Jun 28, 1994
- Chemetics International Co. Ltd.
- Lynda G. Sturgeoff
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of titanium dioxide
- Patent number 5,229,087
- Issue date Jul 20, 1993
- Bayer Aktiengesellschaft
- Karl-Heinz Schultz
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for the concentration of sulphuric acid containing metal su...
- Patent number 5,061,472
- Issue date Oct 29, 1991
- Bayer Aktiengesellschaft
- Gunter Lailach
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Sulfuric acid reprocessor with continuous purge of second distillat...
- Patent number 5,061,348
- Issue date Oct 29, 1991
- Alameda Instruments
- Marshall W. McCormick
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Sulfuric acid reprocessor
- Patent number 5,032,218
- Issue date Jul 16, 1991
- Alameda Instruments, Inc.
- Jesse C. Dobson
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Distillation method and apparatus for reprocessing sulfuric acid
- Patent number 4,980,032
- Issue date Dec 25, 1990
- Alameda Instruments, Inc.
- Jesse C. Dobson
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the recovery of metal values contained in a gangue
- Patent number 4,954,322
- Issue date Sep 4, 1990
- Metaleurop S.A.
- Jean-Michel DeMarthe
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for separating metal sulphates from sulphuric acid
- Patent number 4,952,387
- Issue date Aug 28, 1990
- Bayer Aktiengesellschaft
- Gunter Lailach
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for the removal of undesirable metal ions, especially vanad...
- Patent number 4,891,206
- Issue date Jan 2, 1990
- Kronos Titan, GmbH
- Achim M. Kulling
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for recovering vanadium from residues from the combustion of...
- Patent number 4,788,044
- Issue date Nov 29, 1988
- Ente Minerario Siciliano
- Francesco Corigliano
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for freeing mineral acids from heavy metals
- Patent number 4,777,028
- Issue date Oct 11, 1988
- Hoechst Aktiengesellschaft
- Klaus Schrodter
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for purification of sulfuric acid solution
- Patent number 4,559,216
- Issue date Dec 17, 1985
- Unitika Limited
- Tadao Nagai
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for producing sulfuric acid from waste acid and iron sulfate
- Patent number 4,163,047
- Issue date Jul 31, 1979
- Metallgesellschaft Aktiengesellschaft
- Karl-Heinz Dorr
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Method for recovering and purifying waste sulfuric acid solution
- Publication number 20190382266
- Publication date Dec 19, 2019
- Xiangtan University
- Jing Cao
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD FOR MANUFACTURING HIGH PURITY SULFURIC ACID
- Publication number 20180162731
- Publication date Jun 14, 2018
- ASIA UNION ELECTRONIC CHEMICAL CORP.
- Curtis Douglas DOVE
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD FOR SEPARATING ARSENIC AND HEAVY METALS IN AN ACIDIC WASHING...
- Publication number 20140339468
- Publication date Nov 20, 2014
- Angela Ante
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR PURIFICATION OF SPENT SULFURIC ACID FROM TITANIUM DIOXID...
- Publication number 20130302240
- Publication date Nov 14, 2013
- The National Titanium Dioxide Co. Ltd. (CRISTAL)
- Ahmed Yasir VAKAYIL
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
GALVANIC WASTE SLUDGE TREATMENT AND MANUFACTURING OF NANO-SIZED IRO...
- Publication number 20120156497
- Publication date Jun 21, 2012
- GREEN FUTURE LTD.
- Vladimir Boiko
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
REDUCING AGENT FOR THE SOLUBLE CHROMATE CONTENT OF CEMENT AND METHO...
- Publication number 20120137934
- Publication date Jun 7, 2012
- Kerr-McGee Pigments GmbH
- Michael Vossing
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Process for recycling waste acid
- Publication number 20080056982
- Publication date Mar 6, 2008
- Danny Mislenkov
- 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
Reducing agent for the soluble chromate content of cement and metho...
- Publication number 20070039522
- Publication date Feb 22, 2007
- Kerr-McGee Pigments GmbH
- Michael Vossing
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Regeneration of cupric etchants and recovery of copper sulfate
- Publication number 20060196761
- Publication date Sep 7, 2006
- Gang Zhao
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
System for recycling spent sulfuric acid, method for recycling sulf...
- Publication number 20040211464
- Publication date Oct 28, 2004
- Yasuhito Inagaki
- G06 - COMPUTING CALCULATING COUNTING

Recovery from spent acids containing metallic ions

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method for recovering and purifying waste sulfuric acid solution

System for manufacturing high purity sulfuric acid

Method for manufacturing high purity sulfuric acid

Method for separating arsenic and heavy metals in an acidic washing...

Method for purification of spent sulfuric acid from titanium dioxid...

Method for purification of spent sulfuric acid from titanium dioxid...

Reducing agent for the soluble chromate content of cement and metho...

Galvanic waste sludge treatment and manufacturing of nano-sized iro...

Method for processing iron-laden spent sulfuric acid

Process for recycling waste acid

System for recycling spent sulfuric acid, method for recycling spen...

Regeneration of cupric etchants and recovery of copper sulfate

Liquid hydrate regeneration of contaminated acids

Process for generating recoverable sulfur containing compounds from...

Liquid hydrate regeneration of contaminated acids

Liquid medium extraction purification method

Process for producing high-purity sulfuric acid

Fluoride removal from sulphuric acid

Process for the preparation of titanium dioxide

Process for the concentration of sulphuric acid containing metal su...

Sulfuric acid reprocessor with continuous purge of second distillat...

Sulfuric acid reprocessor

Distillation method and apparatus for reprocessing sulfuric acid

Process for the recovery of metal values contained in a gangue

Process for separating metal sulphates from sulphuric acid

Process for the removal of undesirable metal ions, especially vanad...

Method for recovering vanadium from residues from the combustion of...

Process for freeing mineral acids from heavy metals

Method for purification of sulfuric acid solution

Process for producing sulfuric acid from waste acid and iron sulfate

Patents Applicationslast 30 patents

Method for recovering and purifying waste sulfuric acid solution

METHOD FOR MANUFACTURING HIGH PURITY SULFURIC ACID

METHOD FOR SEPARATING ARSENIC AND HEAVY METALS IN AN ACIDIC WASHING...

METHOD FOR PURIFICATION OF SPENT SULFURIC ACID FROM TITANIUM DIOXID...

GALVANIC WASTE SLUDGE TREATMENT AND MANUFACTURING OF NANO-SIZED IRO...

REDUCING AGENT FOR THE SOLUBLE CHROMATE CONTENT OF CEMENT AND METHO...

Process for recycling waste acid

Method for processing iron-laden spent sulfuric acid

Reducing agent for the soluble chromate content of cement and metho...

Regeneration of cupric etchants and recovery of copper sulfate

System for recycling spent sulfuric acid, method for recycling sulf...