Concentration of sulfuric acid

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C01B17/88

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

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C01B17/88Concentration of sulfuric acid

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Patents Grantslast 30 patents

Information Patent Grant
Method for preparing electronic grade sulfuric acid from waste sulf...
- Patent number 11,713,247
- Issue date Aug 1, 2023
- GREEN FINE TECHNOLOGY CORP.
- Ching-Jung Kan
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Reduction of content of carboxylic acids and derivatives thereof in...
- Patent number 11,111,201
- Issue date Sep 7, 2021
- Solvay S.A.
- Jean-Marie Blaude
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the production of sulfur trioxide
- Patent number 10,640,376
- Issue date May 5, 2020
- Haldor Topsoe A/S
- Morten Thellefsen
- F22 - STEAM GENERATION
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
Process and plant for the production of liquid acid
- Patent number 9,849,419
- Issue date Dec 26, 2017
- Outotec (Finland) Oy
- Karl-Heinz Daum
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method and system for producing nitrobenzene
- Patent number 9,139,508
- Issue date Sep 22, 2015
- Bayer Intellectual Property GmbH
- Bernd Pennemann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for increasing the sulfuric acid concentration of a sulfuric...
- Patent number 8,580,224
- Issue date Nov 12, 2013
- Teijin Aramid B.V.
- Hendrikus Johannes Koehorst
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Membrane and process for the recovery of acid
- Patent number 7,976,710
- Issue date Jul 12, 2011
- ExxonMobil Research and Engineering Company
- Bhupender S. Minhas
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Apparatus and method for osmotic membrane distillation
- Patent number 7,361,276
- Issue date Apr 22, 2008
- Aker Kvaemer Canada Inc.
- Zbigniew Twardowski
- C01 - INORGANIC CHEMISTRY
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
Method for the concentration of spent acid
- Patent number 6,926,757
- Issue date Aug 9, 2005
- Outokumpu Oyj
- Aarno Kalliokoski
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Method for regulating water concentration in a process stream
- Patent number 6,858,198
- Issue date Feb 22, 2005
- Honeywell International
- Troy W. Francisco
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Sulfuric acid recycle apparatus
- Patent number 6,782,901
- Issue date Aug 31, 2004
- Suntec System Co., Ltd.
- Okimitsu Yasuda
- B08 - CLEANING
Information Patent Grant
Process for the concentration of dilute sulphuric acid solutions
- Patent number 6,548,038
- Issue date Apr 15, 2003
- Tioxide Group Services Limited
- James Henry Bush
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
System and method for continuously reprocessing waste sulfuric acid...
- Patent number 6,477,323
- Issue date Nov 5, 2002
- Asahi Techno Glass Corporation
- Kiyohito Koizumi
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Method for upgrading used sulfuric acids
- Patent number 6,332,949
- Issue date Dec 25, 2001
- Bayer Aktiengesellschaft
- Heiko Beckhaus
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for purifying and concentrating spent sulfuric acids
- Patent number 6,156,288
- Issue date Dec 5, 2000
- Bayer Aktiengesellschaft
- Heiko Beckhaus
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for concentration of sulphuric acid
- Patent number 6,090,364
- Issue date Jul 18, 2000
- Haldor Topsoe A/S
- Peter Schoubye
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
High efficiency chemical processing
- Patent number 5,500,095
- Issue date Mar 19, 1996
- Athens Corporation
- Robert T. Shinagawa
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for purification and concentration of sulfuric acid
- Patent number 5,275,701
- Issue date Jan 4, 1994
- Air Products and Chemicals, Inc.
- William J. Mazzafro
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process of concentrating a dilute sulfuric acid in a three-stage fo...
- Patent number 5,228,885
- Issue date Jul 20, 1993
- Metallgesellschaft Aktiengesellschaft
- Hartmut Wagner
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method and apparatus for sulfuric acid concentration
- Patent number 5,075,097
- Issue date Dec 24, 1991
- Gordon M. Cameron
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Pauling boiler and process for the concentration of sulphuric acid
- Patent number 4,857,281
- Issue date Aug 15, 1989
- Bayer Aktiengesellschaft
- Heiko Beckhaus
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the production of nitrobenzene
- Patent number 4,772,757
- Issue date Sep 20, 1988
- Bayer Aktiengesellschaft
- Gunter Lailach
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Generation of sulphur trioxide from oleum using microwave energy
- Patent number 4,673,560
- Issue date Jun 16, 1987
- C-I-L Inc.
- Gary M. J. Masse
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Purification and reconcentration of waste sulphuric acid
- Patent number 4,671,951
- Issue date Jun 9, 1987
- C-I-L Inc.
- Gary M. J. Masse
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process and a device for flue gas desulphurization
- Patent number 4,668,490
- Issue date May 26, 1987
- European Atomic Energy Community
- Daniel van Velzen
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Apparatus and processes for the concentration of sulphuric acid
- Patent number 4,547,353
- Issue date Oct 15, 1985
- C-I-L Inc.
- Gordon M. Cameron
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Apparatus for concentrating mineral acids
- Patent number 4,440,595
- Issue date Apr 3, 1984
- Aktiebolaget Bofors
- Hans Broberg
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
PROCESS FOR CONCENTRATING DILUTED SULFURIC ACID
- Publication number 20230406704
- Publication date Dec 21, 2023
- BASF SE
- Maximilian KOELLER
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
APPARATUS AND METHOD FOR CONCENTRATING CORROSIVE LIQUIDS
- Publication number 20230390667
- Publication date Dec 7, 2023
- Fabien PEREZ
- C01 - INORGANIC CHEMISTRY
Information Patent Application
INTEGRATED SULFUR RECOVERY AND HYDROGEN PRODUCTION PROCESS
- Publication number 20230339753
- Publication date Oct 26, 2023
- MAHIN RAMESHNI
- C01 - INORGANIC CHEMISTRY
Information Patent Application
CONCENTRATION OF SULFURIC ACID
- Publication number 20230117014
- Publication date Apr 20, 2023
- DUPONT SAFETY & CONSTRUCTION, INC.
- Tirtha Chatterjee
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD OF CLEANING AN APPARATUS USED IN THE CONCENTRATION OF A MINE...
- Publication number 20230016848
- Publication date Jan 19, 2023
- Covestro Intellectual Property GmbH & Co. KG
- Bernd Pennemann
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
PROCESS FOR THE REMOVAL OF PARTICULATE MATTER FROM AN AQUEOUS STREAM
- Publication number 20220401863
- Publication date Dec 22, 2022
- Topsoe A/S
- Mads LYKKE
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PREPARING ELECTRONIC GRADE SULFURIC ACID FROM WASTE SULF...
- Publication number 20220371890
- Publication date Nov 24, 2022
- GREEN FINE TECHNOLOGY CORP.
- Ching-Jung KAN
- C01 - INORGANIC CHEMISTRY
Information Patent Application
A PROCESS FOR INCREASING THE CONCENTRATION OF SULFURIC ACID AND EQU...
- Publication number 20220219983
- Publication date Jul 14, 2022
- HALDOR TOPSOE A/S
- Martin Møllerhøj
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Process for workup of mixed acid and wastewater from the nitration...
- Publication number 20220002155
- Publication date Jan 6, 2022
- Hansjürgen WINTERBAUER
- C01 - INORGANIC CHEMISTRY
Information Patent Application
A PROCESS FOR INCREASING THE CONCENTRATION OF SULFURIC ACID AND EQU...
- Publication number 20200062594
- Publication date Feb 27, 2020
- HALDOR TOPSOE A/S
- Martin Møllerhøj
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
A PROCESS FOR THE PRODUCTION OF SULFUR TRIOXIDE
- Publication number 20190177161
- Publication date Jun 13, 2019
- HALDOR TOPSOE A/S
- Morten Thellefsen
- F28 - HEAT EXCHANGE IN GENERAL
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
PROCESS AND PLANT FOR THE PRODUCTION OF LIQUID ACID
- Publication number 20170182457
- Publication date Jun 29, 2017
- OUTOTEC (FINLAND) OY
- Karl-Heinz DAUM
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD AND SYSTEM FOR PRODUCING NITROBENZENE
- Publication number 20140357905
- Publication date Dec 4, 2014
- Bernd Pennemann
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR INCREASING THE SULFURIC ACID CONCENTRATION OF A SULFURIC...
- Publication number 20130236389
- Publication date Sep 12, 2013
- TEIJIN ARAMID B.V.
- Hendrikus Johannes Koehorst
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
METHOD FOR CONCENTRATING DILUTE SULFURIC ACID AND AN APPARATUS FOR...
- Publication number 20120067740
- Publication date Mar 22, 2012
- OUTOTEC OYJ
- Michael Gasik
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
PROCESS AND SYSTEM FOR PRODUCTION OF CONCENTRATED SULPHURIC ACID FR...
- Publication number 20110311433
- Publication date Dec 22, 2011
- Mads Lykke
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Apparatus and method for osmotic membrane distillation
- Publication number 20080173539
- Publication date Jul 24, 2008
- Aker Kvaerner Canada Inc.
- Zbigniew Twardowski
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Low temperature process for regenerating spent sulfuric acid
- Publication number 20080063593
- Publication date Mar 13, 2008
- CATALYTIC DISTILLATION TECHNOLOGIES
- Lawrence A. Smith
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Process for the coupled production of chlorline and isocyanates
- Publication number 20070265466
- Publication date Nov 15, 2007
- Bayer MaterialScience AG
- Markus Dugal
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Membrane and process for the recovery of acid
- Publication number 20060144792
- Publication date Jul 6, 2006
- Bhupender S. Minhas
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Apparatus and method for osmotic membrane distillation
- Publication number 20050269266
- Publication date Dec 8, 2005
- Aker Kvaerner Canada Inc.
- Zbigniew Twardowski
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
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
Information Patent Application
Method for the concentration of spent acid
- Publication number 20040062707
- Publication date Apr 1, 2004
- Aarno Kalliokoski
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Method for regulating water concentration in a process stream
- Publication number 20020155057
- Publication date Oct 24, 2002
- Troy W. Francisco
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Sulfuric acid recycle apparatus
- Publication number 20020108643
- Publication date Aug 15, 2002
- Okimitsu Yasuda
- C01 - INORGANIC CHEMISTRY
Information Patent Application
SYSTEM AND METHOD FOR CONTINUOUSLY REPROCESSING WASTE SULFURIC ACID...
- Publication number 20010003555
- Publication date Jun 14, 2001
- KIYOHITO KOIZUMI
- C01 - INORGANIC CHEMISTRY

Concentration of sulfuric acid

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method for preparing electronic grade sulfuric acid from waste sulf...

Reduction of content of carboxylic acids and derivatives thereof in...

Process for the production of sulfur trioxide

System for manufacturing high purity sulfuric acid

Method for manufacturing high purity sulfuric acid

Process and plant for the production of liquid acid

Method and system for producing nitrobenzene

Method for increasing the sulfuric acid concentration of a sulfuric...

Membrane and process for the recovery of acid

Apparatus and method for osmotic membrane distillation

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

Method for the concentration of spent acid

Method for regulating water concentration in a process stream

Sulfuric acid recycle apparatus

Process for the concentration of dilute sulphuric acid solutions

System and method for continuously reprocessing waste sulfuric acid...

Method for upgrading used sulfuric acids

Process for purifying and concentrating spent sulfuric acids

Process for concentration of sulphuric acid

High efficiency chemical processing

Process for purification and concentration of sulfuric acid

Process of concentrating a dilute sulfuric acid in a three-stage fo...

Method and apparatus for sulfuric acid concentration

Pauling boiler and process for the concentration of sulphuric acid

Process for the production of nitrobenzene

Generation of sulphur trioxide from oleum using microwave energy

Purification and reconcentration of waste sulphuric acid

Process and a device for flue gas desulphurization

Apparatus and processes for the concentration of sulphuric acid

Apparatus for concentrating mineral acids

Patents Applicationslast 30 patents

PROCESS FOR CONCENTRATING DILUTED SULFURIC ACID

APPARATUS AND METHOD FOR CONCENTRATING CORROSIVE LIQUIDS

INTEGRATED SULFUR RECOVERY AND HYDROGEN PRODUCTION PROCESS

CONCENTRATION OF SULFURIC ACID

METHOD OF CLEANING AN APPARATUS USED IN THE CONCENTRATION OF A MINE...

PROCESS FOR THE REMOVAL OF PARTICULATE MATTER FROM AN AQUEOUS STREAM

METHOD FOR PREPARING ELECTRONIC GRADE SULFURIC ACID FROM WASTE SULF...

A PROCESS FOR INCREASING THE CONCENTRATION OF SULFURIC ACID AND EQU...

Process for workup of mixed acid and wastewater from the nitration...

A PROCESS FOR INCREASING THE CONCENTRATION OF SULFURIC ACID AND EQU...

A PROCESS FOR THE PRODUCTION OF SULFUR TRIOXIDE

METHOD FOR MANUFACTURING HIGH PURITY SULFURIC ACID

PROCESS AND PLANT FOR THE PRODUCTION OF LIQUID ACID

METHOD AND SYSTEM FOR PRODUCING NITROBENZENE

METHOD FOR INCREASING THE SULFURIC ACID CONCENTRATION OF A SULFURIC...

METHOD FOR CONCENTRATING DILUTE SULFURIC ACID AND AN APPARATUS FOR...

PROCESS AND SYSTEM FOR PRODUCTION OF CONCENTRATED SULPHURIC ACID FR...

Apparatus and method for osmotic membrane distillation

Low temperature process for regenerating spent sulfuric acid

Process for the coupled production of chlorline and isocyanates

Membrane and process for the recovery of acid

Apparatus and method for osmotic membrane distillation

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

Method for the concentration of spent acid

Method for regulating water concentration in a process stream

Sulfuric acid recycle apparatus

SYSTEM AND METHOD FOR CONTINUOUSLY REPROCESSING WASTE SULFURIC ACID...